cru.dk

📜 Historical scan 2026-10-03 20:55:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cru.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 October 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.177.79.14 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by cru.dk, generated-by-one-com-for-mx-10.cru.dk. 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 44ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.177.79.14	43200s	188-177-79-14-dynamic.dk.customer.tdc.net	AS3292	TDC Holding A/S	188.176.0.0/13	🇩🇰 Denmark	Fredensborg

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	cru.dk	188.177.79.14	188-177-79-14-dynamic.dk.customer.tdc.net	AS3292 TDC Holding A/S
10	43200s	generated-by-one-com-for-mx-10.cru.dk	188.177.79.14	188-177-79-14-dynamic.dk.customer.tdc.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	188.177.79.14
🔶 Autoconfig	188.177.79.14

🔷 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 2026-10-09 00:31:50

www	188.177.79.14 (AS3292) (address records, no CNAME)
www vs bare domain	Same network cru.dk: 188.177.79.14 (AS3292) www.cru.dk: 188.177.79.14 (AS3292)
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#

57ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026092101
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 2026-10-05 21:49:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-10-04
Expires	2026-12-31 (70d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

34ms

41ms

AAAA

34ms

TXT

170ms

CAA

36ms

HTTPS

40ms

TLSA

55ms

SOA

32ms

MTA-STS

51ms

DNSSEC

57ms

SRV

60ms

Total

4392ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 21:42:58	940ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-03 20:55:31 shown	4392ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 20:49:30	624ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 17:39:55	730ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-08 08:52:54	1266ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-06 15:50:24	808ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-06 12:17:08	765ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-03 12:27:44	797ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 04:28:18	1978ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 01:22:14	56360ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 23:22:03	1756ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 23:02:20	458ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 23:00:38	584ms	2 NS 1 A 2 MX	🔒 Secure