opmålerforeningen.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.66.40.249	300s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—
172.66.43.7	300s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	60s	3f-dk.f-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 52.101.68.16 52.101.68.18 52.101.68.3 52.101.73.19	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)2 records 25ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3108::ac42:28f9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—
2606:4700:3108::ac42:2b07	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 182ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (opmålerforeningen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.opmålerforeningen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 / DANE8 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.3f-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…

🔐 DNSSEC9065ms

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	2410086813
Primary NS (MNAME)	jay.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

32ms

A

42ms

MX

41ms

AAAA

25ms

TXT

182ms

CAA

33ms

HTTPS

45ms

TLSA

81ms

SOA

0ms

MTA-STS

44ms

DNSSEC

9065ms

SRV

45ms

Total

10357ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 05:16:20	10357ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-19 00:23:43	10034ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 08:13:48	4723ms	2 NS 2 A 1 MX	🔒 Secure	View