64u.dk

📜 Historical scan 2026-09-30 22:13:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

64u.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.202 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.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 40ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.202	3600s	web2.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records#

2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
100	43200s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	64u.dk → 217.116.232.202
🔶 Autoconfig	64u.dk → 217.116.232.202

🔷 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 2026-10-08 23:16:50

www CNAME	64u.dk (all on 64u.dk) → 217.116.232.202 (AS47292)
www vs bare domain	Same network 64u.dk: 217.116.232.202 (AS47292) www.64u.dk: 217.116.232.202 (AS47292)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.64u.dk	64u.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2026093001
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 09:19:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-04-06
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

38ms

49ms

AAAA

33ms

TXT

135ms

CAA

45ms

HTTPS

44ms

TLSA

166ms

SOA

33ms

MTA-STS

47ms

DNSSEC

112ms

SRV

55ms

Total

869ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 23:16:50	471ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-07 16:42:21	503ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-06 09:01:11	979ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-01 06:40:00	654ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 22:13:35 shown	869ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-22 17:47:56	823ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 21:37:08	754ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 15:11:52	530ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 07:31:23	941ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:14:05	855ms	2 NS 1 A 2 MX	🔒 Secure