unibtb.dk

📜 Historical scan 2026-08-19 08:23:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

unibtb.dk is a .dk domain served by 2 nameservers (nadia.ns.cloudflare.com, otto.ns.cloudflare.com). It was registered on 17 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.228 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
otto.ns.cloudflare.com	108.162.195.135 162.159.44.135 172.64.35.135 2606:4700:58::a29f:2c87 2803:f800:50::6ca2:c387 2a06:98c1:50::ac40:2387	otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.27.228	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.204	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 63ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:1be4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a9cc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.27.228,172.67.169.204 ech=AEX+DQBBbgAgACAGaly7vKmT6RWk4nYu6yoj/f+Rt17+PxuIh5MyDIIVGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1be4,2606:4700:3036::ac43:a9cc

📝 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 2026-10-24 07:33:21

www	Exists, no address
www vs bare domain	www does not resolve unibtb.dk: 104.21.27.228 172.67.169.204 2606:4700:3030::6815:1be4 2606:4700:3036::ac43:a9cc (AS13335) www.unibtb.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.unibtb.dk	JD-pYxYvGlIrNUtzJEvqh6LI7Hv3a8UNI1gMGIhbf9A
TXT	_acme-challenge.unibtb.dk	V_RgX1ywmJq6_7wls6u3cAEg-c8oYZZKKNLKiq38Uvo
TXT	_acme-challenge.unibtb.dk	iMzc47Xcq6-5LQ57_rb6adUOks2bzNdWQGjWvrrePg8
TXT	_acme-challenge.unibtb.dk	uVV6pPp3kOox2DhaYwpXTOWFXrqX1wvhmBXXW5Hszmo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'unibtb.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

0ms

Field	Value
Serial	2412280477
Primary NS (MNAME)	nadia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-07-26 19:06:39

Field	Value
Registrar	WEBHOSTING A/S
Registered	2026-04-17
Expires	2027-04-16 (173d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

31ms

50ms

AAAA

63ms

TXT

219ms

CAA

2052ms

HTTPS

48ms

TLSA

62ms

SOA

0ms

MTA-STS

64ms

DNSSEC

89ms

SRV

84ms

Total

2791ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 07:33:21	467ms	2 NS 2 A 0 MX	❓ Unknown
2026-10-22 16:14:31	2211ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-21 05:31:37	1265ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-19 14:55:17	2410ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-18 14:11:48	407ms	2 NS 2 A 0 MX	❓ Unknown
2026-10-17 13:50:37	2242ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-16 12:43:57	2008ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-15 11:21:50	733ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-14 10:44:14	471ms	2 NS 2 A 0 MX	❓ Unknown
2026-10-13 09:50:33	766ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-12 02:35:30	2784ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-10 22:26:46	2839ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-09 19:51:21	755ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-08 12:46:20	823ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-07 12:44:47	1613ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-06 11:07:02	2873ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-05 09:57:44	826ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-04 09:53:10	541ms	2 NS 2 A 0 MX	❓ Unknown
2026-10-03 09:51:46	2346ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-02 09:50:20	853ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-10-01 09:49:31	1716ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-09-30 09:46:56	750ms	2 NS 2 A 0 MX	❓ Unknown
2026-09-29 23:44:17	780ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-09-28 23:35:34	1269ms	2 NS 0 A 0 MX	⚠️ Bogus
2026-09-27 23:18:05	840ms	2 NS 0 A 0 MX	⚠️ Bogus