gbt.dk

📜 Historical scan 2026-08-17 03:24:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gbt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 November 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.63.97.248 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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 136ms

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 156ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.63.97.248	43200s	static.248.97.63.178.clients.your-server.de	AS24940	Hetzner Online GmbH	178.63.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

5 records 215ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1a	lcfrai-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.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
5	3600s	alt2.aspmx.l.google.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
10	3600s	alt3.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	gbt.dk → 178.63.97.248
🔶 Autoconfig	gbt.dk → 178.63.97.248

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 434ms

TXT Record
google-site-verification=1mGEuKXgcnOqNrM4MPU19piyLC9P3gj6K_xDGXKjMa4
google-site-verification=UYXRJkn3S-aHI_PahCI9kt98S2PEhfXdBqNu4fsupws
v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

✉️ SPF#

Policy	Record (gbt.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

📨 DMARC#

Policy	Record (_dmarc.gbt.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100

📬 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 2026-10-11 05:45:56

www CNAME	gbt.dk (all on gbt.dk) → 178.63.97.248 (AS24940)
www vs bare domain	Same network gbt.dk: 178.63.97.248 (AS24940) www.gbt.dk: 178.63.97.248 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

376ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081601
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 2026-10-16 10:35:23

Field	Value
Registrar	ONE.COM A/S
Registered	2002-11-07
Expires	2026-12-31 (64d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

136ms

156ms

215ms

AAAA

168ms

TXT

434ms

CAA

168ms

HTTPS

162ms

TLSA

298ms

SOA

0ms

MTA-STS

261ms

DNSSEC

376ms

SRV

251ms

Total

3694ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:05:13	807ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-26 11:23:49	981ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-26 16:13:39	1487ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-17 03:24:42 shown	3694ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-26 01:17:58	1391ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-25 04:29:41	760ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-22 22:32:41	770ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 10:37:42	1495ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 10:27:25	874ms	2 NS 1 A 5 MX	🔒 Secure