bttf.dk

📜 Historical scan 2026-09-16 03:42:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bttf.dk is a .dk domain served by 2 nameservers (ken.ns.cloudflare.com, kristin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.105 is hosted by Cloudflare, Inc. (AS13335). 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 109ms

Nameserver	IP addresses	PTR	ASN / ISP
ken.ns.cloudflare.com	108.162.193.127 172.64.33.127 173.245.59.127 2606:4700:58::adf5:3b7f 2803:f800:50::6ca2:c17f 2a06:98c1:50::ac40:217f	ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.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 127ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.4.105	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.252	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 143ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:83fc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:469	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 144ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBsgAgACCILyIIZykc/vv4HTNald4Zfq9FJavc6/qVfc93+spYKwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:83fc,2606:4700:3033::6815:469

📝 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 2026-10-07 16:01:34

www	104.21.4.105 172.67.131.252 2606:4700:3030::ac43:83fc 2606:4700:3033::6815:469 (AS13335) (address records, no CNAME)
www vs bare domain	Same network bttf.dk: 104.21.4.105 172.67.131.252 2606:4700:3030::ac43:83fc 2606:4700:3033::6815:469 (AS13335) www.bttf.dk: 104.21.4.105 172.67.131.252 2606:4700:3030::ac43:83fc 2606:4700:3033::6815:469 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.bttf.dk	-tV-oIczUumzPbI2dtRU8-wUu_aE_P9sjpyBe_HU2eA
TXT	_acme-challenge.bttf.dk	EQMf-9OWxZY9S2jKGDqnBUVmUlc_BDEMIeIN-fmt1ho

🔗 TLSA / DANE#

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

🔐 DNSSEC#

197ms

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	2414901405
Primary NS (MNAME)	ken.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

109ms

127ms

AAAA

143ms

TXT

241ms

CAA

138ms

HTTPS

144ms

TLSA

1132ms

SOA

0ms

MTA-STS

152ms

DNSSEC

197ms

SRV

152ms

Total

1770ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 16:01:34	409ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 12:46:28	439ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-22 23:54:08	642ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 03:42:20 shown	1770ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 18:17:10	522ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-03 09:08:47	1096ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-18 02:17:32	4151ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-09 05:59:50	1539ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 06:27:33	1590ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 23:23:45	438ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 21:04:44	734ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 17:37:36	1179ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 17:35:42	2463ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 17:30:29	369ms	2 NS 2 A 0 MX	🔓 Insecure