undervisningsfag.dk

📜 Historical scan 2026-06-24 04:55:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

undervisningsfag.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 28 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.208.37.196 is hosted by Combell NV (AS34762) in Belgium. The zone is DNSSEC-signed but currently fails validation, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 53ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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#

Service	CNAME / IP
🔷 Autodiscover	188.208.37.196
🔶 Autoconfig	188.208.37.196

🔷 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#

Policy	Record (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 19:00:46

www	188.208.37.196 (AS34762) (address records, no CNAME)
www vs bare domain	Same network undervisningsfag.dk: 188.208.37.196 (AS34762) www.undervisningsfag.dk: 188.208.37.196 (AS34762)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

123ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'undervisningsfag.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

64ms

Field	Value
Serial	2026061900
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-04 16:56:22

Field	Value
Registrar	Eurodns S.A
Registered	2022-02-28
Expires	2027-02-27 (130d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

80ms

81ms

AAAA

56ms

TXT

220ms

CAA

58ms

HTTPS

62ms

TLSA

53ms

SOA

64ms

MTA-STS

69ms

DNSSEC

123ms

SRV

220ms

Total

727ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 19:00:46	2297ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-04 16:46:54	541ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-03 16:42:21	689ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-02 16:36:41	740ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-18 22:16:58	828ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-28 06:49:06	540ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-26 06:40:52	792ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-12 13:24:46	8659ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-10 15:18:29	3437ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-08 07:52:11	956ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-22 06:43:45	9646ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-21 02:51:04	750ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-03 18:48:37	1173ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-01 21:19:52	910ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-25 11:16:02	1061ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-24 04:55:45 shown	727ms	4 NS 1 A 0 MX	⚠️ Bogus
2026-06-20 06:58:12	688ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-18 07:55:34	895ms	4 NS 1 A 0 MX	🔒 Secure