korthsen.dk DNS records

🖥️ Nameservers2 records 89ms

Nameserver	IP addresses	PTR	ASN / ISP
elias.ns.cloudflare.com	108.162.195.29 162.159.44.29 172.64.35.29 2606:4700:58::a29f:2c1d 2803:f800:50::6ca2:c31d 2a06:98c1:50::ac40:231d	elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
perla.ns.cloudflare.com	108.162.194.203 162.159.38.203 172.64.34.203 2606:4700:50::a29f:26cb 2803:f800:50::6ca2:c2cb 2a06:98c1:50::ac40:22cb	perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.225	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.190.109	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.kiil.net	85.191.123.41	mail.kiil.net	AS204274 AURA Fiber A/S

🔷 AAAA Records (IPv6)2 records 73ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:13e1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:be6d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.225,172.67.190.109 ech=AEX+DQBBZQAgACBUTUY7OTXYVM5MTW5jPMHIeedtzH3an24FIJzEO6tkeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:13e1,2606:4700:3033::ac43:be6d

📝 TXT Records1 records 226ms

TXT Record
v=spf1 mx a ?all

✉️ SPF

Policy	Record (korthsen.dk)
?all (neutral)	v=spf1 mx a ?all

📨 DMARC

Policy	Record (_dmarc.korthsen.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+d8zf9dfb4ni@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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)

🔐 DNSSEC9086ms

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	2412358341
Primary NS (MNAME)	elias.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

89ms

A

62ms

MX

52ms

AAAA

73ms

TXT

226ms

CAA

59ms

HTTPS

66ms

TLSA

1273ms

SOA

0ms

MTA-STS

98ms

DNSSEC

9086ms

SRV

95ms

Total

10877ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:45:17	10877ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-16 18:36:46	1252ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-18 21:55:07	1222ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 07:55:57	809ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 05:27:12	1014ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 15:33:22	2350ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 14:45:57	1731ms	2 NS 2 A 1 MX	🔓 Insecure	View