Hi Rainer, I believe this is unrelated to any upgrade. The nameservers for the domain are broken:
$ dig IN A myapplication.international.barclays.com @ns2.barcap.com. ; <<>> DiG 9.19.0-1+0~20220421.76+debian10~1.gbpa71ef8-Debian <<>> IN A myapplication.international.barclays.com @ns2.barcap.com. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26288 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 5 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1220 ; COOKIE: 1154fcda62fc8122973932b0627e4a9e96eef4cf1d850adf (good) ;; QUESTION SECTION: ;myapplication.international.barclays.com. IN A ;; ANSWER SECTION: myapplication.international.barclays.com. 900 IN CNAME myapplication.glbaa.barclays.com. ;; AUTHORITY SECTION: glbaa.barclays.com. 900 IN NS ns22.barclays.net. glbaa.barclays.com. 900 IN NS ns21.barclays.com. glbaa.barclays.com. 900 IN NS ns24.barclays.net. glbaa.barclays.com. 900 IN NS ns23.barclays.com. ;; ADDITIONAL SECTION: ns21.barclays.com. 900 IN A 157.83.102.245 ns23.barclays.com. 900 IN A 157.83.126.245 ns22.barclays.net. 600 IN A 157.83.102.246 ns24.barclays.net. 600 IN A 157.83.126.246 ;; Query time: 196 msec ;; SERVER: 141.228.196.129#53(ns2.barcap.com.) (UDP) ;; WHEN: Fri May 13 14:08:49 CEST 2022 ;; MSG SIZE rcvd: 283 and the nameservers itself just timeout: $ dig +timeout=1 +retries=0 IN A myapplication.glbaa.barclays.com. @ns21.barclays.com. ; <<>> DiG 9.19.0-1+0~20220421.76+debian10~1.gbpa71ef8-Debian <<>> +timeout +retries IN A myapplication.glbaa.barclays.com. @ns21.barclays.com. ;; global options: +cmd ;; connection timed out; no servers could be reached DNSVIZ gives the same result: https://dnsviz.net/d/myapplication.glbaa.barclays.com/dnssec/ • glbaa.barclays.com zone: The server(s) were not responsive to queries over UDP. (157.83.102.245, 157.83.102.246, 157.83.126.245, 157.83.126.246) Ondrej -- Ondřej Surý (He/Him) ond...@isc.org My working hours and your working hours may be different. Please do not feel obligated to reply outside your normal working hours. > On 13. 5. 2022, at 13:54, Rainer Duffner <rai...@ultra-secure.de> wrote: > > Hi, > > at work, I have a problem resolving the following domain: > > myapplication.international.barclays.com > > > BIND 9.16.27, FreeBSD 12.3-P5. > 2022Q2 ports. > > > I copied the config to a VM at home - but it did not work there, either. > > I believe it must have happened on the update from BIND 9.16.26 to 9.16.27. > > > options { > directory "/usr/local/etc/namedb/working"; > pid-file "/var/run/named/pid"; > dump-file "/var/dump/named_dump.db"; > statistics-file "/var/stats/named.stats"; > allow-recursion {"rec";}; > allow-query-cache { localhost; "rec" ; }; > // CIS recommended: > // serverid none; > // dnssec-enable yes; > // dnssec-validation auto; > // dnssec-accept-expired no; > > listen-on { 192.168.1.61; }; > > disable-empty-zone "255.255.255.255.IN-ADDR.ARPA"; > disable-empty-zone > "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA"; > disable-empty-zone > "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA"; > > }; > > acl rec { > 127.0.0.0/8; > 192.168.1.0/24; > ::1; > }; > > /* Serving the following zones locally will prevent any queries > for these zones leaving your network and going to the root > name servers. This has two significant advantages: > 1. Faster local resolution for your users > 2. No spurious traffic will be sent from your network to the roots > */ > // RFCs 1912, 5735 and 6303 (and BCP 32 for localhost) > zone "localhost" { type master; file > "/usr/local/etc/namedb/master/localhost-forward.db"; }; > zone "127.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/localhost-reverse.db"; }; > zone "255.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // RFC 1912-style zone for IPv6 localhost address (RFC 6303) > zone "0.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/localhost-reverse.db"; }; > > // "This" Network (RFCs 1912, 5735 and 6303) > zone "0.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // Private Use Networks (RFCs 1918, 5735 and 6303) > zone "10.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "16.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "17.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "18.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "19.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "20.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "21.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "22.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "23.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "24.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "25.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "26.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "27.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "28.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "29.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "30.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "31.172.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "168.192.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // Shared Address Space (RFC 6598) > zone "64.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "65.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "66.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "67.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "68.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "69.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "70.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "71.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "72.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "73.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "74.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "75.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "76.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "77.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "78.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "79.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "80.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "81.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "82.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "83.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "84.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "85.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "86.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "87.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "88.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "89.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "90.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "91.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "92.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "93.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "94.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "95.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "96.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "97.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "98.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "99.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "100.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "101.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "102.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "103.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "104.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "105.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "106.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "107.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "108.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "109.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "110.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "111.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "112.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "113.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "114.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "115.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "116.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "117.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "118.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "119.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "120.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "121.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "122.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "123.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "124.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "125.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "126.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "127.100.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // Link-local/APIPA (RFCs 3927, 5735 and 6303) > zone "254.169.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IETF protocol assignments (RFCs 5735 and 5736) > zone "0.0.192.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // TEST-NET-[1-3] for Documentation (RFCs 5735, 5737 and 6303) > zone "2.0.192.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "100.51.198.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "113.0.203.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IPv6 Example Range for Documentation (RFCs 3849 and 6303) > zone "8.b.d.0.1.0.0.2.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // Domain Names for Documentation and Testing (BCP 32) > zone "test" { type master; file "/usr/local/etc/namedb/master/empty.db"; }; > zone "example" { type master; file "/usr/local/etc/namedb/master/empty.db"; }; > zone "invalid" { type master; file "/usr/local/etc/namedb/master/empty.db"; }; > zone "example.com" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "example.net" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "example.org" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // Router Benchmark Testing (RFCs 2544 and 5735) > zone "18.198.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "19.198.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IANA Reserved - Old Class E Space (RFC 5735) > zone "240.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "241.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "242.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "243.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "244.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "245.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "246.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "247.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "248.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "249.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "250.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "251.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "252.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "253.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "254.in-addr.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IPv6 Unassigned Addresses (RFC 4291) > zone "1.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "3.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "4.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "5.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "6.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "7.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "8.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "9.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "a.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "b.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "c.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "d.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "e.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "0.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "1.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "2.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "3.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "4.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "5.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "6.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "7.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "8.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "9.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "a.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "b.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "0.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "1.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "2.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "3.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "4.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "5.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "6.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "7.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IPv6 ULA (RFCs 4193 and 6303) > zone "c.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "d.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IPv6 Link Local (RFCs 4291 and 6303) > zone "8.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "9.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "a.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "b.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IPv6 Deprecated Site-Local Addresses (RFCs 3879 and 6303) > zone "c.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "d.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "e.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > zone "f.e.f.ip6.arpa" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > // IP6.INT is Deprecated (RFC 4159) > zone "ip6.int" { type master; file > "/usr/local/etc/namedb/master/empty.db"; }; > > > include "/usr/local/etc/namedb/log.conf“; > (bind-unbound-test <namedb>) 0 # drill @192.168.1.61 > myapplication.international.barclays.com > ;; ->>HEADER<<- opcode: QUERY, rcode: SERVFAIL, id: 3215 > ;; flags: qr rd ra ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 > ;; QUESTION SECTION: > ;; myapplication.international.barclays.com. IN A > > ;; ANSWER SECTION: > > ;; AUTHORITY SECTION: > > ;; ADDITIONAL SECTION: > > ;; Query time: 10056 msec > ;; SERVER: 192.168.1.61 > ;; WHEN: Fri May 13 13:50:00 2022 > ;; MSG SIZE rcvd: 58 > (bind-unbound-test <namedb>) 0 # > > > > > > > > > > -- > Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from > this list > > ISC funds the development of this software with paid support subscriptions. > Contact us at https://www.isc.org/contact/ for more information. > > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users
signature.asc
Description: Message signed with OpenPGP
-- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
