nordnu.dk

📜 Historical scan 2026-10-11 21:48:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nordnu.dk is a .dk domain served by 2 nameservers (peter.ns.cloudflare.com, ryleigh.ns.cloudflare.com). It was registered on 26 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.71 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxa.eu.mailgun.org, mxb.eu.mailgun.org. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
peter.ns.cloudflare.com	108.162.195.3 162.159.44.3 172.64.35.3 2606:4700:58::a29f:2c03 2803:f800:50::6ca2:c303 2a06:98c1:50::ac40:2303	peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryleigh.ns.cloudflare.com	108.162.194.198 162.159.38.198 172.64.34.198 2606:4700:50::a29f:26c6 2803:f800:50::6ca2:c2c6 2a06:98c1:50::ac40:22c6	ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.71	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.223	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mxa.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC
10	300s	mxb.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.128.223
🔶 Autoconfig	172.67.128.223

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:247	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:80df	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.71,172.67.128.223 ech=AEX+DQBBPwAgACB+ZSFBfmkSzryXVD6dWG8NWojOwPRbQ4FOg8pVGCZTQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:247,2606:4700:3037::ac43:80df

📝 TXT Records#

1 records 199ms

TXT Record
v=spf1 include:mailgun.org ~all

✉️ SPF#

Policy	Record (nordnu.dk)
~all (soft fail)	v=spf1 include:mailgun.org ~all

📨 DMARC#

Policy	Record (_dmarc.nordnu.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:120110e3@dmarc.mailgun.org,mailto:xxid2olxivb@inbox.ondmarc.com; ruf=mailto:120110e3@dmarc.mailgun.org,mailto:xxid2olxivb@inbox.ondmarc.com;

📬 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 2026-10-18 03:56:59

www	104.21.2.71 172.67.128.223 2606:4700:3031::6815:247 2606:4700:3037::ac43:80df (AS13335) (address records, no CNAME)
www vs bare domain	Same network nordnu.dk: 104.21.2.71 172.67.128.223 2606:4700:3031::6815:247 2606:4700:3037::ac43:80df (AS13335) www.nordnu.dk: 104.21.2.71 172.67.128.223 2606:4700:3031::6815:247 2606:4700:3037::ac43:80df (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2417221871
Primary NS (MNAME)	peter.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 04:18:05

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-05-26
Expires	2027-05-25 (213d)

🔗 Same registrant#

1 domain

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
ivan-gammeljord.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

42ms

36ms

41ms

AAAA

36ms

TXT

199ms

CAA

36ms

HTTPS

47ms

TLSA

102ms

SOA

52ms

MTA-STS

54ms

DNSSEC

63ms

SRV

71ms

Total

671ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 03:56:59	800ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-17 03:54:49	690ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-11 21:48:32 shown	671ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-07 15:25:53	1018ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-04 14:28:57	1244ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-26 13:05:27	9592ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-31 03:49:21	1810ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-29 21:58:31	596ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 13:29:01	709ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 04:12:32	691ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-15 02:17:15	1000ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-13 19:59:50	841ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-17 12:13:24	608ms	2 NS 1 A 0 MX	🔒 Secure