nexun.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
gerardo.ns.cloudflare.com	108.162.195.230 162.159.44.230 172.64.35.230 2606:4700:58::a29f:2ce6 2803:f800:50::6ca2:c3e6 2a06:98c1:50::ac40:23e6	gerardo.ns.cloudflare.com gerardo.ns.cloudflare.com gerardo.ns.cloudflare.com gerardo.ns.cloudflare.com gerardo.ns.cloudflare.com gerardo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rose.ns.cloudflare.com	108.162.192.141 172.64.32.141 173.245.58.141 2606:4700:50::adf5:3a8d 2803:f800:50::6ca2:c08d 2a06:98c1:50::ac40:208d	rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 2055ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.18	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.149	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
25	300s	mail.nexun.dk	152.53.136.173	v2202508296007376083.hotsrv.de	AS197540 netcup GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.128.149
🔶 Autoconfig	104.21.2.18

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:212	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:8095	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.18,172.67.128.149 ech=AEX+DQBBYgAgACCzY//CpT4mrzWsEGlRmUmiWbgF0nGLpdAcgMb1vUAGXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:212,2606:4700:3033::ac43:8095

📝 TXT Records1 records 205ms

TXT Record
v=spf1 +a +mx +ip4: 152.53.136.173 ~all

✉️ SPF

Policy	Record (nexun.dk)
~all (soft fail)	v=spf1 +a +mx +ip4: 152.53.136.173 ~all

📨 DMARC

Policy	Record (_dmarc.nexun.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.nexun.dk	P1EQiojQrwSxkP8F0Ubpi756YkCnhUzcPNWDXZ-4xbE

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC100ms

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	2412462148
Primary NS (MNAME)	gerardo.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

57ms

A

2055ms

MX

43ms

AAAA

47ms

TXT

205ms

CAA

54ms

HTTPS

59ms

TLSA

90ms

SOA

0ms

MTA-STS

70ms

DNSSEC

100ms

SRV

94ms

Total

2615ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:12:10	2615ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 17:19:50	9029ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 02:32:51	1672ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 03:38:15	1049ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 15:37:43	864ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 06:23:47	710ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 03:37:52	2044ms	2 NS 2 A 1 MX	🔓 Insecure	View