sklerodermi.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
clark.ns.cloudflare.com	108.162.193.87 172.64.33.87 173.245.59.87 2606:4700:58::adf5:3b57 2803:f800:50::6ca2:c157 2a06:98c1:50::ac40:2157	clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
margot.ns.cloudflare.com	108.162.194.167 162.159.38.167 172.64.34.167 2606:4700:50::a29f:26a7 2803:f800:50::6ca2:c2a7 2a06:98c1:50::ac40:22a7	margot.ns.cloudflare.com margot.ns.cloudflare.com margot.ns.cloudflare.com margot.ns.cloudflare.com margot.ns.cloudflare.com margot.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.149	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.163.155	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 30ms

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	104.21.10.149
🔶 Autoconfig	104.21.10.149

🔷 AAAA Records (IPv6)2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:a95	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a39b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.149,172.67.163.155 ech=AEX+DQBBwAAgACB9PwKag54xhjMV7Qdb++j+bLnTDMGC5H9PcW/dD8tkaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:a95,2606:4700:3037::ac43:a39b

🔌 SRV Records1 records 59ms

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

📝 TXT Records1 records 151ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (sklerodermi.dk)
-all (hard fail)	v=spf1 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 54ms

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…

🔐 DNSSEC96ms

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	2413941277
Primary NS (MNAME)	clark.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

29ms

A

29ms

MX

30ms

AAAA

30ms

TXT

151ms

CAA

23ms

HTTPS

24ms

TLSA

54ms

SOA

0ms

MTA-STS

43ms

DNSSEC

96ms

SRV

59ms

Total

563ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 01:21:09	563ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-25 02:53:10	1673ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-06 22:06:07	1009ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 00:29:15	925ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 06:40:02	1122ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 05:27:08	873ms	2 NS 2 A 1 MX	🔓 Insecure	View