netopnu.dk DNS records

🖥️ Nameservers2 records 95ms

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 Records2 records 125ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.96.127	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.214	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
42	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
90	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
90	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)2 records 126ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:607f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:b4d6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 136ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.96.127,172.67.180.214 ech=AEX+DQBBWgAgACCZQBa7F6xNFza3amtqWkger9fVSfslduzX2P3LiCAHHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:607f,2606:4700:3036::ac43:b4d6

📝 TXT Records1 records 449ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (netopnu.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 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

🔗 TLSA / DANE9 records 309ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC335ms

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	2413554066
Primary NS (MNAME)	noel.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

95ms

A

125ms

MX

94ms

AAAA

126ms

TXT

449ms

CAA

96ms

HTTPS

136ms

TLSA

309ms

SOA

0ms

MTA-STS

203ms

DNSSEC

335ms

SRV

170ms

Total

3470ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 06:49:17	3470ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-30 03:02:28	4010ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-27 13:07:28	10230ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-27 06:24:11	1011ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-26 14:41:27	866ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-29 06:08:15	1175ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-29 00:52:07	1077ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-22 14:57:37	1022ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-22 13:04:24	1192ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 03:19:10	927ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-18 07:59:42	1333ms	2 NS 2 A 3 MX	🔓 Insecure	View