tib.dk

📜 Historical scan 2026-08-13 14:17:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tib.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, uma.ns.cloudflare.com). It was registered on 1 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.103 is hosted by Cloudflare, Inc. (AS13335). 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 198ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.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 238ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.103	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.185	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 249ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3267	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ccb9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 318ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.103,172.67.204.185 ech=AEX+DQBBfAAgACCiyEHV0lAL2tFriRAqIQnqtI96PUiC4XY/lRBAjV5sEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3267,2606:4700:3033::ac43:ccb9

📝 TXT Records#

1 records 660ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (tib.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.tib.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-16 15:53:19

www	104.21.50.103 172.67.204.185 2606:4700:3032::6815:3267 2606:4700:3033::ac43:ccb9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tib.dk: 104.21.50.103 172.67.204.185 2606:4700:3032::6815:3267 2606:4700:3033::ac43:ccb9 (AS13335) www.tib.dk: 104.21.50.103 172.67.204.185 2606:4700:3032::6815:3267 2606:4700:3033::ac43:ccb9 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tib.dk	UJ4N-ON1EZPOL0HtuKM5Ic8x3Jp_vAC3WF487t3DhSw
TXT	_acme-challenge.tib.dk	VSJignv2X81gUspHQ-qhHRxGzPIPDYy0PFjvuC1GhJs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

516ms

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	2412098781
Primary NS (MNAME)	jay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 16:06:18

Field	Value
Registrar	Simply.com A/S
Registered	1996-11-01
Expires	2026-12-31 (74d)

🔗 Same registrant#

24 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
3-f.dk	Simply.com A/S
3f-a.dk	Simply.com A/S
3f.dk	Simply.com A/S
3fa.dk	Simply.com A/S
3fi.dk	Simply.com A/S
3findustri.dk	Simply.com A/S
3finternational.dk	Simply.com A/S
3frus.dk	Simply.com A/S
3ftransport.dk	CURANET A/S
3fudvtst.dk	Simply.com A/S
70300300.dk	Simply.com A/S
dagbladet3f.dk	Simply.com A/S
danskemodel.dk	Simply.com A/S
faellesforbundet.dk	Simply.com A/S
fagforeningstjek.dk	Simply.com A/S
landsklubber.dk	Simply.com A/S
langsoehus.dk	Simply.com A/S
lærlinge.dk	Simply.com A/S
ok-rent.dk	Simply.com A/S
overenskomster.dk	Simply.com A/S
r-u-s.dk	Simply.com A/S
trefu.dk	Simply.com A/S
ungi3f.dk	Simply.com A/S
vaerdigreform.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

198ms

238ms

264ms

AAAA

249ms

TXT

660ms

CAA

204ms

HTTPS

318ms

TLSA

454ms

SOA

0ms

MTA-STS

395ms

DNSSEC

516ms

SRV

435ms

Total

4380ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 15:53:19	1311ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-15 10:01:27	1184ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 13:51:13	2002ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 21:38:41	608ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-19 04:13:20	817ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-16 17:41:25	3365ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-15 12:14:59	8868ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-13 14:17:07 shown	4380ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-08 22:18:47	8787ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 23:05:21	659ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 17:01:13	1095ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:43:14	2670ms	2 NS 2 A 0 MX	🔓 Insecure