ulkk.dk

📜 Historical scan 2026-08-27 19:39:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ulkk.dk is a .dk domain served by 2 nameservers (bonnie.ns.cloudflare.com, mario.ns.cloudflare.com). It was registered on 27 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.57.43 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
bonnie.ns.cloudflare.com	108.162.192.76 172.64.32.76 173.245.58.76 2606:4700:50::adf5:3a4c 2803:f800:50::6ca2:c04c 2a06:98c1:50::ac40:204c	bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mario.ns.cloudflare.com	108.162.193.203 172.64.33.203 173.245.59.203 2606:4700:58::adf5:3bcb 2803:f800:50::6ca2:c1cb 2a06:98c1:50::ac40:21cb	mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.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 2059ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.43	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.32	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:392b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bd20	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.43,172.67.189.32 ech=AEX+DQBB7wAgACBE1Eqlr/7DkDPvKduVzDj+mly51qFBYNzqLjPAl1sZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:392b,2606:4700:3036::ac43:bd20

📝 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 2026-10-10 01:25:58

www	104.21.57.43 172.67.189.32 2606:4700:3030::6815:392b 2606:4700:3036::ac43:bd20 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ulkk.dk: 104.21.57.43 172.67.189.32 2606:4700:3030::6815:392b 2606:4700:3036::ac43:bd20 (AS13335) www.ulkk.dk: 104.21.57.43 172.67.189.32 2606:4700:3030::6815:392b 2606:4700:3036::ac43:bd20 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ulkk.dk	1dnJOA5CM63grTzMrrSuTfnDuay6HmMRrmY3BnnRu0s
TXT	_acme-challenge.ulkk.dk	RvDzpfKwBnlTJMKVSjTK8OzlZDS5D3ieInXxP5x6n7c

🔗 TLSA / DANE#

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

🔐 DNSSEC#

130ms

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	2413227816
Primary NS (MNAME)	bonnie.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 19:12:25

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-04-27
Expires	2027-04-26 (189d)

🔗 Same registrant#

22 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
birkelykoege.dk	DANDOMAIN A/S
blumesvej3.dk	Punktum dk A/S (direct)
borupbib.dk	DANDOMAIN A/S
borupbibliotek.dk	DANDOMAIN A/S
hegnetslundkrisecenter.dk	DANDOMAIN A/S
iværksættermesse.dk	Punktum dk A/S (direct)
klimaerhvervsskole.dk	ONE.COM A/S
koege.dk	DANDOMAIN A/S
koegeerhvervsservice.dk	DANDOMAIN A/S
koegejorddepot.dk	Punktum dk A/S (direct)
koegenaturskole.dk	DANDOMAIN A/S
koegeraadgivningsogbehandlingscenter.dk	DANDOMAIN A/S
koegeskoler.dk	Simply.com A/S
køgebydelsplan.dk	DANDOMAIN A/S
køgebydelsplaner.dk	DANDOMAIN A/S
køgenaturskole.dk	DANDOMAIN A/S
køgerådgivningsogbehandlingscenter.dk	DANDOMAIN A/S
køgeung.dk	Punktum dk A/S (direct)
minpladsanvisning.dk	DANDOMAIN A/S
skateparkkøge.dk	DANDOMAIN A/S
testkoege.dk	DANDOMAIN A/S
ungikøge.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

2059ms

77ms

AAAA

66ms

TXT

238ms

CAA

60ms

HTTPS

56ms

TLSA

52ms

SOA

0ms

MTA-STS

94ms

DNSSEC

130ms

SRV

80ms

Total

2548ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:21:46	486ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 01:59:23	663ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 01:57:47	508ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 00:40:50	615ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-22 03:56:11	1044ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 21:57:10	1164ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-14 00:54:21	1186ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-13 23:50:15	1782ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 22:13:10	1192ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 19:39:26 shown	2548ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 05:08:00	464ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-02 03:48:06	831ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 06:32:43	743ms	2 NS 2 A 0 MX	🔓 Insecure