en1.dk DNS records

🖥️ Nameservers2 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
abdullah.ns.cloudflare.com	108.162.195.203 162.159.44.203 172.64.35.203 2606:4700:58::a29f:2ccb 2803:f800:50::6ca2:c3cb 2a06:98c1:50::ac40:23cb	abdullah.ns.cloudflare.com abdullah.ns.cloudflare.com abdullah.ns.cloudflare.com abdullah.ns.cloudflare.com abdullah.ns.cloudflare.com abdullah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
piper.ns.cloudflare.com	108.162.194.35 162.159.38.35 172.64.34.35 2606:4700:50::a29f:2623 2803:f800:50::6ca2:c223 2a06:98c1:50::ac40:2223	piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.51	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.132.252	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mailcow.en1.dk	91.99.134.207	static.207.134.99.91.clients.your-server.de	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mailcow.en1.dk → 91.99.134.207
🔶 Autoconfig	mailcow.en1.dk → 91.99.134.207

🔷 AAAA Records (IPv6)2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:533	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:84fc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.51,172.67.132.252 ech=AEX+DQBB+AAgACATcv+fK+Ptu0/bpXpp0D1wcGbigahtqny0PH7xycqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:533,2606:4700:3037::ac43:84fc

🔌 SRV Records1 records 136ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	mailcow.en1.dk

📝 TXT Records1 records 312ms

TXT Record
v=spf1 ip4:91.99.134.207 ~all

✉️ SPF

Policy	Record (en1.dk)
~all (soft fail)	v=spf1 ip4:91.99.134.207 ~all

📨 DMARC

Policy	Record (_dmarc.en1.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

🔗 TLSA / DANE2 records 118ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mailcow.en1.dk	DANE-EE · SPKI · SHA-256	1CC33EACD6E461EAD863AEC4C350C0B9…
SMTP _25._tcp.mailcow.en1.dk	DANE-EE · SPKI · SHA-256	FF451B9658BAC58654C92A17C15AF204…

🔐 DNSSEC2088ms

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	2410972405
Primary NS (MNAME)	abdullah.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

70ms

A

61ms

MX

66ms

AAAA

60ms

TXT

312ms

CAA

61ms

HTTPS

56ms

TLSA

118ms

SOA

0ms

MTA-STS

758ms

DNSSEC

2088ms

SRV

136ms

Total

3044ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:33:30	3044ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 19:48:27	6374ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-31 20:00:01	1238ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 22:10:34	1055ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 07:21:26	630ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 07:21:10	2511ms	2 NS 2 A 1 MX	🔓 Insecure	View