On Tue 15/Apr/2025 15:54:05 +0200 Stephane Bortzmeyer via bind-users wrote:
On Tue, Apr 15, 2025 at 02:54:33PM +0200,
Alessandro Vesely <ves...@tana.it> wrote
a message of 46 lines which said:
last night I sent 4 complaint messages to vodafone.com. The first one bounced
like so:
Note that the name servers for mail.protection.outlook.com (the target
of the MX record) are quite broken, they return FORMERR for EDNS
questions. It may create problems.
% dig @ns2-proddns.glbdns.protection.outlook.com.
vodafone-com.mail.protection.outlook.com A
; <<>> DiG 9.18.33-1~deb12u2-Debian <<>>
@ns2-proddns.glbdns.protection.outlook.com. vodafone-com.mail.protection.outlook.com A
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: FORMERR, id: 20571
;; flags: qr rd; QUERY: 0, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available
;; WARNING: EDNS query returned status FORMERR - retry with '+noedns'
;; Query time: 12 msec
;; SERVER: 104.47.72.81#53(ns2-proddns.glbdns.protection.outlook.com.) (UDP)
;; WHEN: Tue Apr 15 15:53:29 CEST 2025
;; MSG SIZE rcvd: 12
Hm... so perhaps those were not timeouts but FORMERRs? However, the other
three messages, following at a few minutes apart, were sent all right.
My other concern is why I cannot understand it from the query log.
Many thanks, also to Sten and Michael.
Best
Ale
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