Dear Abdul Khader!
I send result command dig. I think command dig without cache. [root@dns data]# dig @203.113.188.3 vodafone-com.mail.protection.outlook.com ; <<>> DiG 9.9.5 <<>> @203.113.188.3 vodafone-com.mail.protection.outlook.com ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 31268 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;vodafone-com.mail.protection.outlook.com. IN A ;; Query time: 24 msec ;; SERVER: 203.113.188.3#53(203.113.188.3) ;; WHEN: Thu Aug 07 16:45:32 ICT 2014 ;; MSG SIZE rcvd: 69 [root@dns data]# dig @203.113.188.3 vodafone-com.mail.protection.outlook.com +trace ; <<>> DiG 9.9.5 <<>> @203.113.188.3 vodafone-com.mail.protection.outlook.com +trace ; (1 server found) ;; global options: +cmd . 513431 IN NS m.root-servers.net. . 513431 IN NS i.root-servers.net. . 513431 IN NS b.root-servers.net. . 513431 IN NS h.root-servers.net. . 513431 IN NS k.root-servers.net. . 513431 IN NS l.root-servers.net. . 513431 IN NS a.root-servers.net. . 513431 IN NS e.root-servers.net. . 513431 IN NS d.root-servers.net. . 513431 IN NS j.root-servers.net. . 513431 IN NS c.root-servers.net. . 513431 IN NS g.root-servers.net. . 513431 IN NS f.root-servers.net. . 518395 IN RRSIG NS 8 0 518400 20140813000000 20140805230000 8230 . YpfIt5TMtHS8+Mz/aIqH7OYoQCsqi5/YBfuOc5cwUKwjmuT9x/4epgVG sri7CGAR9cWj0fzPpP7OVY30G40xP0i8MHtMHl1Hk7d8yaumYAtjU2ja rHLqyIRGUJNFRO6c5MDZ5zxAqQXtohyKCYR+vcZjjxKpd4sfnW2aFxDs WUU= ;; Received 913 bytes from 203.113.188.3#53(203.113.188.3) in 26 ms com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. com. 172800 IN NS a.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 86400 IN DS 30909 8 2 E2D3C916F6DEEAC73294E8268FB5885044A833FC5459588F4A9184CF C41A5766 com. 86400 IN RRSIG DS 8 1 86400 20140813000000 20140805230000 8230 . lvQ4DhP9fXhtfUeuS/UDKT04cbmtyRY4K5cPF/G3d93ySC3RRcmjNnXa IbRiX1gkZYPc5cJZmd+WvCRx2xNbR3+/H0EbRVj93Nk3AyqlZBLBrxLs AuDe4NpGvM6c0KWdomOBtBuhtjlC9UbWsiZAWk80YZ/WTBkBsqkvmibE UZE= ;; Received 764 bytes from 192.36.148.17#53(i.root-servers.net) in 86 ms outlook.com. 172800 IN NS ns3.msft.net. outlook.com. 172800 IN NS ns1.msft.net. outlook.com. 172800 IN NS ns5.msft.net. outlook.com. 172800 IN NS ns2.msft.net. outlook.com. 172800 IN NS ns4.msft.net. CK0POJMG874LJREF7EFN8430QVIT8BSM.com. 86400 IN NSEC3 1 1 0 - CK0QFMDQRCSRU0651QLVA1JQB21IF7UR NS SOA RRSIG DNSKEY NSEC3PARAM CK0POJMG874LJREF7EFN8430QVIT8BSM.com. 86400 IN RRSIG NSEC3 8 2 86400 20140813045124 20140806034124 6122 com. H9FvdCqRkAbrdX/XuLmrpyB+Ov7VLSUuvseyCCqA/Z+lem0rN+nG6wBd E3v0AzmfVlk5AYHneO888bRkGQB7lpJlTr9ODRq/YAyhLbVsVUlS3AcU J7zDjGq13l2/CXuN0xDGAv9TU1rQ9YnJgczWKBuqTzeHlHxkzoSnYY59 THc= 4N81UGBNL2VRPL7UPJG4NLIVQEP5TRPR.com. 86400 IN NSEC3 1 1 0 - 4N82D5351BNS9FH0PEU6Q9C12GEGP681 NS DS RRSIG 4N81UGBNL2VRPL7UPJG4NLIVQEP5TRPR.com. 86400 IN RRSIG NSEC3 8 2 86400 20140814043311 20140807032311 6122 com. sQ8v2RHmCM/sUgmMV3mTVp1qr+UyHB+uW878WsviWSROzuk3QIIApz38 hhqXnZaZJw1gDrj0MdyjwWf/qgtH5YEUo2YvsFmGlUNWdBjYEDyqGJqn 2QZDdoC7G3f+f5Hzm2d/33VBYOmeeLCUxZrO/uzMZYr5xevRu6shSpAV aWQ= ;; Received 872 bytes from 192.12.94.30#53(e.gtld-servers.net) in 2308 ms protection.outlook.com. 7200 IN NS ns1-gtm.glbdns.o365filtering.com. protection.outlook.com. 7200 IN NS ns2-gtm.glbdns.o365filtering.com. ;; Received 204 bytes from 65.55.37.62#53(ns1.msft.net) in 768 ms mail.protection.outlook.com. 1800 IN NS ns1-proddns.glbdns.o365filtering.com. mail.protection.outlook.com. 1800 IN NS ns2-proddns.glbdns.o365filtering.com. ;; Received 142 bytes from 157.56.110.11#53(ns1-gtm.glbdns.o365filtering.com) in 800 ms ;; Received 12 bytes from 157.55.234.42#53(ns2-proddns.glbdns.o365filtering.com) in 313 ms [root@dns data]# dig @203.113.188.3 vodafone-com.mail.protection.outlook.com ; <<>> DiG 9.9.5 <<>> @203.113.188.3 vodafone-com.mail.protection.outlook.com ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 52835 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;vodafone-com.mail.protection.outlook.com. IN A ;; Query time: 24 msec ;; SERVER: 203.113.188.3#53(203.113.188.3) ;; WHEN: Thu Aug 07 16:45:43 ICT 2014 ;; MSG SIZE rcvd: 69 [root@dns data]# ============%%- Nguyễn Xuân Hùng 0084-966581518 P.ISP– TT CNTT – VTNet. From: Abdul Khader [mailto:akha...@ies.etisalat.ae] Sent: Thursday, August 07, 2014 4:43 PM To: Xuan Hung; bind-users@lists.isc.org; bind-users-boun...@lists.isc.org; jared.emp...@zitomedia.com; dave.berna...@zitomedia.com; ma...@isc.org; h.rei...@thelounge.net Subject: Re: bind-users Digest, Vol 1909, Issue 1 Paste the result of the following command. dig @203.113.188.3 dep123.com +trace Abdul Khader On 07-Aug-14 1:27 PM, Xuan Hung wrote: Dear Partner ! I set recursive-clients = 20000. I sent myserver log. Can you help me ? version: 9.9.5 (x.x.x) <id:f9b8a50e> CPUs found: 24 worker threads: 24 UDP listeners per interface: 24 number of zones: 5537 debug level: 0 xfers running: 0 xfers deferred: 0 soa queries in progress: 0 query logging is ON recursive clients: 3686/19900/20000 tcp clients: 0/100 server is up and running [root@dns data]# dig @203.113.188.3 dep123.com ; <<>> DiG 9.9.5 <<>> @203.113.188.3 dep123.com ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 38458 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;dep123.com. IN A ;; Query time: 280 msec ;; SERVER: 203.113.188.3#53(203.113.188.3) ;; WHEN: Thu Aug 07 16:15:49 ICT 2014 ;; MSG SIZE rcvd: 39 Thanks./. ============%%- Nguyễn Xuân Hùng 0084-966581518 P.ISP– TT CNTT – VTNet.
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