[swinog] Re: Debugging bluewin.ch emails not going through

Thanks all. Someone from Bluewin pointed this out as well. This should all be fixed soon. I appreciate the help. best, Maxim On 12/8/23 12:55, Daniel Stirnimann wrote: at least one delegation is broken: ns1.init7.net: 200-30.135.144.213.in-addr.arpa. 86400 IN NS    dns.nazgul.ch.

[swinog] Re: Debugging bluewin.ch emails not going through

at least one delegation is broken: ns1.init7.net: 200-30.135.144.213.in-addr.arpa. 86400 IN NSdns.nazgul.ch. 200-30.135.144.213.in-addr.arpa. 86400 IN NSdns.swill.org. dig dns.swill.org ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16024 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0,

[swinog] Debugging bluewin.ch emails not going through

Hi, I'm getting "421 EHLO temporary error - PTR lookup failed" when trying to send any email to @bluewin.ch recipients. My mailserver is mail.swill.org with proper PTR records configured though: $ dig +short -t ptr 203.200-30.135.144.213.in-addr.arpa @8.8.8.8 mail.swill.org. $ telnet