undervisningsfag.dk
Last scanned: 2026-08-28 06:49:06  ·  540ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   38ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
🌍 A Records1 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.208.37.196 600s 188.208.37.196.static.hosted.by.combell-ops.net AS34762 Combell NV 188.208.36.0/23 🇧🇪 Belgium —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover188.208.37.196
🔶 Autoconfig188.208.37.196
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.undervisningsfag.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:69e2273edc2f6@dmarc-dk.centerasecurity.com;
📬 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)
🔐 DNSSEC111ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026062413
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
38ms
A
44ms
MX
40ms
AAAA
39ms
TXT
195ms
CAA
44ms
HTTPS
41ms
TLSA
66ms
SOA
0ms
MTA-STS
62ms
DNSSEC
111ms
SRV
75ms
Total
540ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 06:49:06 540ms 4 NS 1 A 0 MX 🔒 Secure View
2026-08-26 06:40:52 792ms 4 NS 1 A 0 MX 🔒 Secure View
2026-08-12 13:24:46 8659ms 4 NS 1 A 0 MX 🔒 Secure View
2026-08-10 15:18:29 3437ms 4 NS 1 A 0 MX 🔒 Secure View
2026-08-08 07:52:11 956ms 4 NS 1 A 0 MX 🔒 Secure View
2026-07-22 06:43:45 9646ms 4 NS 1 A 0 MX 🔒 Secure View
2026-07-21 02:51:04 750ms 4 NS 1 A 0 MX 🔒 Secure View
2026-07-03 18:48:37 1173ms 4 NS 1 A 0 MX 🔒 Secure View
2026-07-01 21:19:52 910ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-25 11:16:02 1061ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-24 04:55:45 727ms 4 NS 1 A 0 MX ⚠️ Bogus View
2026-06-20 06:58:12 688ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-18 07:55:34 895ms 4 NS 1 A 0 MX 🔒 Secure View
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