nulsum.dk

📜 Historical scan 2026-09-08 00:40:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nulsum.dk is a .dk domain served by 2 nameservers (naya.ns.cloudflare.com, yichun.ns.cloudflare.com). It was registered on 6 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 23ms

Nameserver	IP addresses	PTR	ASN / ISP
naya.ns.cloudflare.com	108.162.194.242 162.159.38.242 172.64.34.242 2606:4700:50::a29f:26f2 2803:f800:50::6ca2:c2f2 2a06:98c1:50::ac40:22f2	naya.ns.cloudflare.com naya.ns.cloudflare.com naya.ns.cloudflare.com naya.ns.cloudflare.com naya.ns.cloudflare.com naya.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yichun.ns.cloudflare.com	108.162.193.248 172.64.33.248 173.245.59.248 2606:4700:58::adf5:3bf8 2803:f800:50::6ca2:c1f8 2a06:98c1:50::ac40:21f8	yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-16 13:02:42

www	NXDOMAIN
www vs bare domain	Neither resolves nulsum.dk: no address www.nulsum.dk: no address
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nulsum.dk	njdJl-gns18tUgeEpqx4OTQ446-xPmWZ7FN0V9W1JMI
TXT	_acme-challenge.nulsum.dk	sSiFaEIS2HcheAwJxTD_5vYa2s76fFLTQrF-l5NjeXY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2414193906
Primary NS (MNAME)	naya.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 16:01:29

Field	Value
Registrar	Simply.com A/S
Registered	2026-01-06
Expires	2027-01-05 (74d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

23ms

35ms

26ms

AAAA

28ms

TXT

134ms

CAA

31ms

HTTPS

31ms

TLSA

28ms

SOA

0ms

MTA-STS

42ms

DNSSEC

106ms

SRV

43ms

Total

944ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 17:42:46	527ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-15 03:57:19	1413ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-08 00:40:53 shown	944ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-06 12:02:19	1077ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-01 03:40:31	878ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-26 13:41:19	648ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-03 10:28:45	1205ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-27 01:22:04	770ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-23 14:12:24	666ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-20 01:59:35	351ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-18 05:32:56	1912ms	2 NS 0 A 0 MX	🔓 Insecure