mkdahl.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
braelyn.ns.cloudflare.com	108.162.194.97 162.159.38.97 172.64.34.97 2606:4700:50::a29f:2661 2803:f800:50::6ca2:c261 2a06:98c1:50::ac40:2261	braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
houston.ns.cloudflare.com	108.162.195.52 162.159.44.52 172.64.35.52 2606:4700:58::a29f:2c34 2803:f800:50::6ca2:c334 2a06:98c1:50::ac40:2334	houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.252	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	93.191.156.9
🔶 Autoconfig	104.21.91.114

🔷 AAAA Records (IPv6)2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5b72	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d7fc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.114,172.67.215.252 ech=AEX+DQBBMgAgACAyKj91O2q6RdL0qFlcWTlYaj3BJo8nhoftP0Z2uI4/YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b72,2606:4700:3035::ac43:d7fc

🔌 SRV Records1 records 90ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records1 records 220ms

TXT Record
v=spf1 a mx include:spf.simply.com ~all

✉️ SPF

Policy	Record (mkdahl.dk)
~all (soft fail)	v=spf1 a mx include:spf.simply.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 84ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC107ms

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	2412636442
Primary NS (MNAME)	braelyn.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

55ms

A

57ms

MX

66ms

AAAA

39ms

TXT

220ms

CAA

50ms

HTTPS

45ms

TLSA

84ms

SOA

0ms

MTA-STS

69ms

DNSSEC

107ms

SRV

90ms

Total

1513ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:40:04	1513ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 18:44:35	2739ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 07:03:22	1225ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-08 16:11:34	8961ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 03:30:03	1049ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 01:30:47	2845ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 16:53:56	2794ms	2 NS 2 A 1 MX	🔓 Insecure	View