mailnu.dk
Last scanned: 2026-08-28 07:21:27  ·  1196ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   60ms
NameserverIP addressesPTRASN / ISP
ns1.mailnu.dk 144.76.30.140 server.mailnu.dk AS24940 Hetzner Online GmbH
ns2.mailnu.dk 144.76.135.14 ns2.mailnu.dk AS24940 Hetzner Online GmbH
🌍 A Records1 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
144.76.30.140 14400s server.mailnu.dk AS24940 Hetzner Online GmbH 144.76.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s mailnu.dk 144.76.30.140 server.mailnu.dk AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover144.76.30.140
🔶 Autoconfig144.76.30.140
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   122ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   391ms
TXT Record
v=spf1 +a +mx +ip4:144.76.30.140 +ip4:144.76.135.14 +ip6:2a01:4f8:191:218b::2 -all
✉️ SPF
PolicyRecord (mailnu.dk)
-all (hard fail) v=spf1 +a +mx +ip4:144.76.30.140 +ip4:144.76.135.14 +ip6:2a01:4f8:191:218b::2 -all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC92ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2017031704
Primary NS (MNAME)ns1.mailnu.dk
Responsible (RNAME)server@webcoders.dk
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)360s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
60ms
A
68ms
MX
71ms
AAAA
62ms
TXT
391ms
CAA
75ms
HTTPS
89ms
TLSA
75ms
SOA
0ms
MTA-STS
99ms
DNSSEC
92ms
SRV
122ms
Total
1196ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:21:27 1196ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 08:08:01 1547ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 17:22:23 807ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 11:29:05 7619ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 11:23:27 702ms 2 NS 1 A 1 MX 🔓 Insecure View
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