groundzero.dk

📜 Historical scan 2026-09-18 17:41:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

groundzero.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.98.54.104 is hosted by FortressITX (AS25653) in United States. Mail is handled by circo.se. 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 38ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
65.98.54.104	43200s	—	AS25653	FortressITX	65.98.52.0/22	🇺🇸 United States	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3000s	circo.se	194.9.94.85 194.9.94.86	— —	AS39570 Loopia AB AS39570 Loopia AB

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	groundzero.dk → 65.98.54.104
🔶 Autoconfig	groundzero.dk → 65.98.54.104

🔷 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 2026-10-13 15:06:33

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks groundzero.dk: 65.98.54.104 (AS25653) www.groundzero.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.groundzero.dk	groundzero.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091101
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 2026-10-12 08:47:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-01-02
Expires	2027-01-31 (106d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
webdialer.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

41ms

40ms

AAAA

28ms

TXT

172ms

CAA

46ms

HTTPS

29ms

TLSA

1608ms

SOA

0ms

MTA-STS

54ms

DNSSEC

79ms

SRV

59ms

Total

2194ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:06:33	1443ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:01:27	1452ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 20:38:18	977ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 17:41:03 shown	2194ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 18:14:22	1705ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 21:12:31	1163ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 10:32:48	1229ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 16:47:12	1646ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 19:45:13	9120ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 07:10:35	1200ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:25:57	1079ms	2 NS 1 A 1 MX	🔒 Secure