nordnu.dk DNS records

🖥️ Nameservers2 records 85ms

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 Records2 records 127ms

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 Records2 records 73ms

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	104.21.2.71
🔶 Autoconfig	172.67.128.223

🔷 AAAA Records (IPv6)2 records 139ms

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 Records1 records 107ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.71,172.67.128.223 ech=AEX+DQBBHQAgACAtDaSM+r3444+88W/etNT0QGqCyloCO0uzWRH+ecmuTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:247,2606:4700:3037::ac43:80df

📝 TXT Records1 records 410ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC305ms

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

🏷️ SOA0ms

Field	Value
Serial	2413604588
Primary NS (MNAME)	peter.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

85ms

A

127ms

MX

73ms

AAAA

139ms

TXT

410ms

CAA

96ms

HTTPS

107ms

TLSA

359ms

SOA

0ms

MTA-STS

165ms

DNSSEC

305ms

SRV

219ms

Total

1810ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 03:49:21	1810ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-29 21:58:31	596ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 13:29:01	709ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 04:12:32	691ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-15 02:17:15	1000ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-13 19:59:50	841ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-17 12:13:24	608ms	2 NS 1 A 0 MX	🔒 Secure	View