celloundervisning.dk
Last scanned: 2026-08-27 06:20:15  ·  9482ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
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   2048ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.4.121.70 3598s cp07.nordicway.dk AS24940 Hetzner Online GmbH 46.4.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s celloundervisning.dk 46.4.121.70 cp07.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   380ms
TXT Record
v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (celloundervisning.dk)
~all (soft fail) v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all
📨 DMARC
PolicyRecord (_dmarc.celloundervisning.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.celloundervisning.dk zenMH2FEMIOi4Lp-rDCRc2ajlZUjQFnOeu9I9DssfNk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9091ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081901
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
73ms
A
2048ms
MX
62ms
AAAA
93ms
TXT
380ms
CAA
59ms
HTTPS
70ms
TLSA
77ms
SOA
0ms
MTA-STS
110ms
DNSSEC
9091ms
SRV
96ms
Total
9482ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:20:15 9482ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-20 01:42:03 5071ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 03:02:06 818ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 15:36:08 997ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 20:38:42 3839ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:23:11 6388ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:10:17 1679ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:03:41 509ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:00:31 558ms 2 NS 1 A 1 MX 🔓 Insecure View
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