gtb.dk

📜 Historical scan 2026-09-21 19:29:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gtb.dk is a .dk domain served by 2 nameservers (fay.ns.cloudflare.com, max.ns.cloudflare.com). It was registered on 19 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.142 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
fay.ns.cloudflare.com	108.162.192.115 172.64.32.115 173.245.58.115 2606:4700:50::adf5:3a73 2803:f800:50::6ca2:c073 2a06:98c1:50::ac40:2073	fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
max.ns.cloudflare.com	108.162.193.132 172.64.33.132 173.245.59.132 2606:4700:58::adf5:3b84 2803:f800:50::6ca2:c184 2a06:98c1:50::ac40:2184	max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.66.142	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.135	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a	lb-in-f27.1e100.net lj-in-x1a.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.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
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:cc87	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:428e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.142,172.67.204.135 ech=AEX+DQBBDwAgACDTm83Dk8ncCs6dyt/+/4i4/4CMLrh4rDy4+9ScbdqKCQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cc87,2606:4700:3033::6815:428e

📝 TXT Records#

1 records 180ms

TXT Record
google-site-verification=Fr9tlFf8Ee6pZa7Rh-y6_2f69ulrWXBj-kOfRAvdiSQ

✉️ 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 21:14:14

www	104.21.66.142 172.67.204.135 2606:4700:3031::ac43:cc87 2606:4700:3033::6815:428e (AS13335) (address records, no CNAME)
www vs bare domain	Same network gtb.dk: 104.21.66.142 172.67.204.135 2606:4700:3031::ac43:cc87 2606:4700:3033::6815:428e (AS13335) www.gtb.dk: 104.21.66.142 172.67.204.135 2606:4700:3031::ac43:cc87 2606:4700:3033::6815:428e (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gtb.dk	1gUjdGbr4YeM8wLUXnA_lyoNQHF0fCK50VqTViPvFZ8
TXT	_acme-challenge.gtb.dk	rE5y-l6X1vRRRNylSGuhK3ckHaBIzqepUu8ioo_0xEs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

125ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415223770
Primary NS (MNAME)	fay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 05:50:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-12-19
Expires	2026-12-31 (73d)

🔗 Same registrant#

11 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).

Domain	Registrar
carcarefreak.dk	Punktum dk A/S (direct)
claybar.dk	Punktum dk A/S (direct)
evagtplan.dk	Punktum dk A/S (direct)
glaco.dk	DANDOMAIN A/S
netload.dk	Punktum dk A/S (direct)
over.dk	Punktum dk A/S (direct)
pcsalg.dk	Punktum dk A/S (direct)
poorboysworld.dk	Punktum dk A/S (direct)
redline.dk	Punktum dk A/S (direct)
scanapi.dk	DANDOMAIN A/S
wps.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

37ms

31ms

AAAA

38ms

TXT

180ms

CAA

41ms

HTTPS

30ms

TLSA

223ms

SOA

0ms

MTA-STS

55ms

DNSSEC

125ms

SRV

61ms

Total

1589ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:22:53	930ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-29 21:14:12	806ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 20:42:31	873ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-21 19:29:13 shown	1589ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-11 10:34:47	2073ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-04 08:26:29	1188ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-30 20:52:51	3137ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 14:17:53	1078ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-04 02:16:54	17577ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-22 02:02:02	1139ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 10:03:38	7338ms	2 NS 2 A 5 MX	🔓 Insecure