tbt.dk

📜 Historical scan 2026-07-09 01:40:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tbt.dk is a .dk domain served by 2 nameservers (daniella.ns.cloudflare.com, ethan.ns.cloudflare.com). It was registered on 3 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.191 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, publishes a 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 62ms

Nameserver	IP addresses	PTR	ASN / ISP
daniella.ns.cloudflare.com	108.162.194.228 162.159.38.228 172.64.34.228 2606:4700:50::a29f:26e4 2803:f800:50::6ca2:c2e4 2a06:98c1:50::ac40:22e4	daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ethan.ns.cloudflare.com	108.162.195.232 162.159.44.232 172.64.35.232 2606:4700:58::a29f:2ce8 2803:f800:50::6ca2:c3e8 2a06:98c1:50::ac40:23e8	ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.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 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.78.191	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.160	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a	lr-in-f26.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.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
5	3600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4013:813::1a	so-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4008:c01::1b	so-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 95ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4ebf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:88a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 124ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.78.191,172.67.136.160 ech=AEX+DQBBAwAgACASNw9dFEvkjXOnBuG6v8naEletDML5GQSu9NtQT/ppSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ebf,2606:4700:3037::ac43:88a0

📝 TXT Records#

2 records 257ms

TXT Record
google-site-verification=nqGLlADDPLWaNigqZ6i9dYw-OwHHK8U9z5e3yFje1V4
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (tbt.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.tbt.dk)
p=reject	v=DMARC1; p=reject; pct=5; rua=mailto:postmaster@tbt.dk

📬 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 2026-10-15 11:06:56

www	104.21.78.191 172.67.136.160 2606:4700:3030::6815:4ebf 2606:4700:3037::ac43:88a0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tbt.dk: 104.21.78.191 172.67.136.160 2606:4700:3030::6815:4ebf 2606:4700:3037::ac43:88a0 (AS13335) www.tbt.dk: 104.21.78.191 172.67.136.160 2606:4700:3030::6815:4ebf 2606:4700:3037::ac43:88a0 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

191ms

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	2408988767
Primary NS (MNAME)	daniella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 01:00:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-02-03
Expires	2027-03-31 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

76ms

68ms

AAAA

95ms

TXT

257ms

CAA

63ms

HTTPS

124ms

TLSA

199ms

SOA

0ms

MTA-STS

99ms

DNSSEC

191ms

SRV

104ms

Total

2920ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 11:06:56	533ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-08 17:50:16	736ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 22:55:13	826ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-04 08:52:02	723ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-04 05:23:09	3605ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 12:41:58	664ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 12:28:16	2720ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-17 09:44:23	2235ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-09 01:40:28 shown	2920ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-21 00:08:43	1561ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 06:10:34	906ms	2 NS 2 A 5 MX	🔓 Insecure