cmu.dk
Last scanned: 2026-09-02 20:33:52  ·  724ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   55ms
NameserverIP addressesPTRASN / ISP
ns3.nordicway.dk 2a01:4f8:c2c:d3c0::1
78.47.45.64		 ns3.nordicway.dk
ns3.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns4.nordicway.dk 2a01:4f8:c010:24a2::1
78.47.56.84		 ns4.nordicway.dk
ns4.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
176.9.90.24 3600s cp10.nordicway.dk AS24940 Hetzner Online GmbH 176.9.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   56ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s cmu.dk 176.9.90.24 cp10.nordicway.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   298ms
TXT Record
v=spf1 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (cmu.dk)
~all (soft fail) v=spf1 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all
📨 DMARC
PolicyRecord (_dmarc.cmu.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.cmu.dk V_vJtVlJRw69nQYRkOmqzA9x7JTSfHWmn7cSMyEIAV8
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC93ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082601
Primary NS (MNAME)ns3.nordicway.dk
Responsible (RNAME)server@nordicway.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
55ms
A
49ms
MX
56ms
AAAA
57ms
TXT
298ms
CAA
64ms
HTTPS
59ms
TLSA
75ms
SOA
0ms
MTA-STS
88ms
DNSSEC
93ms
SRV
102ms
Total
724ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 20:33:52 724ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 13:57:35 558ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 23:33:46 703ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 10:43:10 834ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 23:39:37 65535ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 21:38:04 1442ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 21:31:21 2952ms 2 NS 1 A 1 MX 🔓 Insecure View
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