tbt.dk

Records from scan: 2026-10-15 11:06:56 · 533ms total · last checked 2026-10-20 15:28 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 42ms

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 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c1c::1b 74.125.205.26	la-in-f27.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	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	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 35ms

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 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.78.191,172.67.136.160 ech=AEX+DQBBvAAgACDCEGpSvI5yiNtcYtYwc/UiEXDsWjUYGeDBTaKhdh77dAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ebf,2606:4700:3037::ac43:88a0

📝 TXT Records#

2 records 146ms

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#

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#

59ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2417525860
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#

28ms

42ms

36ms

AAAA

35ms

TXT

146ms

CAA

36ms

HTTPS

45ms

TLSA

146ms

SOA

38ms

MTA-STS

54ms

DNSSEC

59ms

SRV

60ms

Total

533ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 11:06:56 shown	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	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