college.dk

📜 Historical scan 2026-10-06 13:16:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

college.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.98.85.155 is hosted by GlobalConnect A/S (AS42525) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no 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#

2 records 137ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 338ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.98.85.155	43200s	—	AS42525	GlobalConnect A/S	212.98.64.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

7 records 223ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 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#

✗ 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 00:24:25

www	212.98.85.155 (AS42525) (address records, no CNAME)
www vs bare domain	Same network college.dk: 212.98.85.155 (AS42525) www.college.dk: 212.98.85.155 (AS42525)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

349ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

103ms

Field	Value
Serial	2026100607
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 08:21:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-01-17
Expires	2035-01-31 (3023d)

📋 WHOIS#

⏱️ Lookup Timing#

137ms

338ms

223ms

AAAA

187ms

TXT

435ms

CAA

118ms

HTTPS

169ms

TLSA

317ms

SOA

103ms

MTA-STS

335ms

DNSSEC

349ms

SRV

324ms

Total

1793ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 00:24:25	2460ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-06 13:16:45 shown	1793ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-26 12:07:03	786ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-21 05:33:58	1945ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-06 01:17:37	2881ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-04 23:44:11	2187ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-21 05:13:32	702ms	2 NS 1 A 7 MX	⚠️ Bogus
2026-06-16 21:45:29	824ms	2 NS 1 A 7 MX	🔒 Secure