klasseværelset.dk xn--klassevrelset-9fb.dk
Last scanned: 2026-08-27 04:07:30  ·  9530ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
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   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.71.4.69 3600s 217.71.4.69.static.router4.bolignet.dk AS44134 Bolignet A/s 217.71.0.0/20 🇩🇰 Denmark Valby
📧 MX Records1 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s xn--klassevrelset-9fb.dk 217.71.4.69 217.71.4.69.static.router4.bolignet.dk AS44134 Bolignet A/s
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   347ms
TXT Record
v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 -all
✉️ SPF
PolicyRecord (klasseværelset.dk)
-all (hard fail) v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 -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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.klasseværelset.dk QxwesCvYdenBTelA8_i1LgkDQtEgzS49ejbgD9cUmSg
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9088ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081103
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
48ms
A
50ms
MX
62ms
AAAA
69ms
TXT
347ms
CAA
71ms
HTTPS
95ms
TLSA
127ms
SOA
0ms
MTA-STS
105ms
DNSSEC
9088ms
SRV
99ms
Total
9530ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 04:07:30 9530ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-11 22:56:27 1117ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-29 23:43:56 719ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 00:11:21 1315ms 2 NS 1 A 1 MX ❓ Unknown View
2026-06-23 11:38:15 1101ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 06:01:18 775ms 2 NS 1 A 1 MX ❓ Unknown View
2026-06-23 03:25:06 499ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 22:05:41 1156ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 20:41:47 723ms 2 NS 1 A 1 MX 🔒 Secure View
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