nar-ko.dk DNS records

🖥️ Nameservers2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
beau.ns.cloudflare.com	108.162.193.73 172.64.33.73 173.245.59.73 2606:4700:58::adf5:3b49 2803:f800:50::6ca2:c149 2a06:98c1:50::ac40:2149	beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
janet.ns.cloudflare.com	108.162.192.169 172.64.32.169 173.245.58.169 2606:4700:50::adf5:3aa9 2803:f800:50::6ca2:c0a9 2a06:98c1:50::ac40:20a9	janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.oz1tnj.dk	128.140.115.234 2a01:4f8:c17:ba15::1	mail.oz1tnj.dk mail.oz1tnj.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.oz1tnj.dk → 128.140.115.234
🔶 Autoconfig	mail.oz1tnj.dk → 128.140.115.234

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 76ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	5	443	mail.oz1tnj.dk

📝 TXT Records1 records 182ms

TXT Record
v=spf1 mx a -all

✉️ SPF

Policy	Record (nar-ko.dk)
-all (hard fail)	v=spf1 mx a -all

📨 DMARC

Policy	Record (_dmarc.nar-ko.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:mailauth-reports@oz1tnj.dk

📬 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 / DANE1 records 58ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.oz1tnj.dk	DANE-EE · SPKI · SHA-256	688B6A93E14D1EB9C09F8ACB4FF29428…

🔐 DNSSEC90ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412921484
Primary NS (MNAME)	beau.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

37ms

A

41ms

MX

51ms

AAAA

63ms

TXT

182ms

CAA

47ms

HTTPS

64ms

TLSA

58ms

SOA

0ms

MTA-STS

63ms

DNSSEC

90ms

SRV

76ms

Total

860ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 20:15:19	1084ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-26 20:20:57	860ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-23 13:30:54	3639ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-22 12:49:27	3145ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-18 00:28:05	1887ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 23:13:05	3256ms	2 NS 0 A 1 MX	🔓 Insecure	View