Lukas Tribus via mailop skrev den 2025-08-23 12:52:
Vodafone.de only has MX records for mx1,2,3; so the fact that mx5 is
reachable doesn't help.
Also notice that the 3 A records point to the same exact IP.
diffrent domain
;; ANSWER SECTION:
vodafone.de. 300 IN TXT "v=spf1 include:vodafonemail.de ip4:176.95.8.68
ip4:84.17.184.251 ip4:84.17.184.252 ip4:84.17.184.253
include:spf1.vodafone.de -all"
vodafone.de. 300 IN TXT
"docusign=88289509-099c-4519-a968-9f6f9d47b1b7"
vodafone.de. 300 IN TXT
"docusign=44e2773f-ee4e-49b3-b749-db7d1603d291"
vodafone.de. 300 IN TXT
"google-site-verification=qsGzQj0ODvtTpTqpSGT8_5EyD39gnnVvhtRmr2_S8fE"
vodafone.de. 86400 IN MX 10 mx2.vodafonemail.de.
vodafone.de. 86400 IN MX 10 mx1.vodafonemail.de.
vodafone.de. 86400 IN MX 10 mx3.vodafonemail.de.
vodafone.de. 86400 IN SOA ns1.vodafone.com. hostmaster.vodafone.com.
2008077268 14400 3600 604800 900
vodafone.de. 1709 IN A 45.60.74.114
vodafone.de. 86309 IN NS ns1.vodafone.com.
vodafone.de. 86309 IN NS ns3.vodafone.com.
vodafone.de. 86309 IN NS ns5.vodafone.com.
;; Query time: 39 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (TCP)
;; WHEN: Sat Aug 23 13:30:58 CEST 2025
;; MSG SIZE rcvd: 612
possible still RFC ignorants, abuse@ postmaster@ should not be rejected
if rbl client ip is listed
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