college.dk

Records from scan: 2026-10-12 00:24:25 · 2460ms total · last checked 2026-10-20 10:40 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 356ms

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 289ms

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

📧 MX Records#

7 records 357ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	192.179.20.27 2404:6800:4000:1027::1a	ncboms-in-f27.1e100.net ncboms-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.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

🔷 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#

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#

470ms

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

🏷️ SOA#

86ms

Field	Value
Serial	2026101101
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 (3024d)

📋 WHOIS#

⏱️ Lookup Timing#

356ms

289ms

357ms

AAAA

339ms

TXT

531ms

CAA

331ms

HTTPS

312ms

TLSA

804ms

SOA

86ms

MTA-STS

329ms

DNSSEC

470ms

SRV

365ms

Total

2460ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 00:24:25 shown	2460ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-06 13:16:45	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