undersogelse.dk DNS records

🖥️ Nameservers2 records 227ms

Nameserver	IP addresses	PTR	ASN / ISP
dawn.ns.cloudflare.com	108.162.192.106 172.64.32.106 173.245.58.106 2606:4700:50::adf5:3a6a 2803:f800:50::6ca2:c06a 2a06:98c1:50::ac40:206a	dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
will.ns.cloudflare.com	108.162.193.149 172.64.33.149 173.245.59.149 2606:4700:58::adf5:3b95 2803:f800:50::6ca2:c195 2a06:98c1:50::ac40:2195	will.ns.cloudflare.com will.ns.cloudflare.com will.ns.cloudflare.com will.ns.cloudflare.com will.ns.cloudflare.com will.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 233ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.179	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.23	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 231ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
70	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.
74	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.
87	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.

🔷 AAAA Records (IPv6)2 records 214ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:6b3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:8717	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 222ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.179,172.67.135.23 ech=AEX+DQBBwgAgACCc3U20C35Wxry+yZWUSII1TtHr1ahttro5K1rJilA8AAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:6b3,2606:4700:3031::ac43:8717

📝 TXT Records1 records 412ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.undersogelse.dk)
p=reject	v=DMARC1; p=reject;

📬 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 287ms

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

🔐 DNSSEC321ms

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

🏷️ SOA396ms

Field	Value
Serial	2406790506
Primary NS (MNAME)	dawn.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

227ms

A

233ms

MX

231ms

AAAA

214ms

TXT

412ms

CAA

211ms

HTTPS

222ms

TLSA

287ms

SOA

396ms

MTA-STS

263ms

DNSSEC

321ms

SRV

272ms

Total

2632ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:32:11	1177ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-11 08:47:17	12052ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-10 06:00:14	2041ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-29 19:20:40	1228ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-28 20:09:31	1096ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-26 09:09:16	2632ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-19 17:10:23	920ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 17:35:24	2463ms	2 NS 2 A 3 MX	🔓 Insecure	View