unibtb.dk

📜 Historical scan 2026-07-22 14:24:06 · ← 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 32ms

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 34ms

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 33ms

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 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.27.228,172.67.169.204 ech=AEX+DQBBjAAgACAzcKqcpYIoKNS7mBpkKfrqOP+024UqCUF0a2b5k9qKZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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	2ksEHHMGplj561dNUB6I1kr4_E60svZfefyi6yJ34Ac
TXT	_acme-challenge.unibtb.dk	m0BDenMxUeNAG2d4B7XGbY3smvbpK6bcRK9omZIp36A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2057ms

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	2410206877
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#

32ms

34ms

33ms

AAAA

33ms

TXT

269ms

CAA

32ms

HTTPS

46ms

TLSA

90ms

SOA

0ms

MTA-STS

67ms

DNSSEC

2057ms

SRV

98ms

Total

2796ms

🕐 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