uldundertoej.dk

📜 Historical scan 2026-08-19 18:26:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

uldundertoej.dk is a .dk domain served by 2 nameservers (noel.ns.cloudflare.com, ulla.ns.cloudflare.com). It was registered on 13 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.121 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 268ms

Nameserver	IP addresses	PTR	ASN / ISP
noel.ns.cloudflare.com	108.162.193.216 172.64.33.216 173.245.59.216 2606:4700:58::adf5:3bd8 2803:f800:50::6ca2:c1d8 2a06:98c1:50::ac40:21d8	noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ulla.ns.cloudflare.com	108.162.192.233 172.64.32.233 173.245.58.233 2606:4700:50::adf5:3ae9 2803:f800:50::6ca2:c0e9 2a06:98c1:50::ac40:20e9	ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.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
104.21.19.121	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.38	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 272ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:1379	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:ba26	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 274ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.121,172.67.186.38 ech=AEX+DQBBRgAgACDpaVSZn5g//DqzJxZSTSVVbUbJ8cCMD/K6IRQm/w/jdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1379,2606:4700:3037::ac43:ba26

📝 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 2026-10-09 18:11:13

www	104.21.19.121 172.67.186.38 2606:4700:3032::6815:1379 2606:4700:3037::ac43:ba26 (AS13335) (address records, no CNAME)
www vs bare domain	Same network uldundertoej.dk: 104.21.19.121 172.67.186.38 2606:4700:3032::6815:1379 2606:4700:3037::ac43:ba26 (AS13335) www.uldundertoej.dk: 104.21.19.121 172.67.186.38 2606:4700:3032::6815:1379 2606:4700:3037::ac43:ba26 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.uldundertoej.dk	AppbPSAmD0HsS2tgI5jGi1VfVf88pqQdS4VPESHROHU
TXT	_acme-challenge.uldundertoej.dk	N2xDFAqU_Ineu4ME03JRMmxej0jgxzZm6KbSs6dPuSI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

878ms

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	2412620820
Primary NS (MNAME)	noel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 08:24:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-11-13
Expires	2027-11-12 (389d)

📋 WHOIS#

⏱️ Lookup Timing#

268ms

238ms

232ms

AAAA

272ms

TXT

1148ms

CAA

263ms

HTTPS

274ms

TLSA

365ms

SOA

0ms

MTA-STS

707ms

DNSSEC

878ms

SRV

345ms

Total

6362ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:38:37	805ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 21:05:27	473ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-20 18:43:50	4358ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-19 18:26:22 shown	6362ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 23:15:02	1137ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 13:52:27	2010ms	2 NS 2 A 0 MX	🔓 Insecure