nauk.dk

📜 Historical scan 2026-09-30 12:37:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nauk.dk is a .dk domain served by 2 nameservers (carla.ns.cloudflare.com, kayden.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.158 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 70ms

Nameserver	IP addresses	PTR	ASN / ISP
carla.ns.cloudflare.com	108.162.194.86 162.159.38.86 172.64.34.86 2606:4700:50::a29f:2656 2803:f800:50::6ca2:c256 2a06:98c1:50::ac40:2256	carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kayden.ns.cloudflare.com	108.162.195.74 162.159.44.74 172.64.35.74 2606:4700:58::a29f:2c4a 2803:f800:50::6ca2:c34a 2a06:98c1:50::ac40:234a	kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.158	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.85	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:259e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d255	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.158,172.67.210.85 ech=AEX+DQBBXQAgACAMpYldYzQ9l7qOXBLrrdhR4BcdHHeNfu4qhqehUSG4NQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:259e,2606:4700:3034::ac43:d255

📝 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 2026-10-11 20:59:45

www	104.21.37.158 172.67.210.85 2606:4700:3034::6815:259e 2606:4700:3034::ac43:d255 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nauk.dk: 104.21.37.158 172.67.210.85 2606:4700:3034::6815:259e 2606:4700:3034::ac43:d255 (AS13335) www.nauk.dk: 104.21.37.158 172.67.210.85 2606:4700:3034::6815:259e 2606:4700:3034::ac43:d255 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nauk.dk	c9e8tMKokN27Ch7zcWHypFOzfthpS-lNcTubC773bBo
TXT	_acme-challenge.nauk.dk	tPsQRAVr-qRRP70O86v9ougpfMqhatuApGDUa9QsgMU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

39ms

Field	Value
Serial	2416247886
Primary NS (MNAME)	carla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

70ms

50ms

30ms

AAAA

36ms

TXT

181ms

CAA

54ms

HTTPS

45ms

TLSA

56ms

SOA

39ms

MTA-STS

53ms

DNSSEC

76ms

SRV

71ms

Total

430ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 12:40:57	1604ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 12:37:03 shown	430ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 17:03:11	9997ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 09:30:41	638ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 07:04:34	9570ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 03:14:52	969ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-16 21:58:31	2028ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 22:04:32	2959ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 16:57:33	4558ms	2 NS 2 A 0 MX	🔓 Insecure