son.dk DNS records

🖥️ Nameservers2 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
a.portsdns.se	2607:f740:e009::1 45.54.35.101	a.portsdns.se a.portsdns.se	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
b.portsdns.net	2a00:11c0:3d::1 94.16.23.1	b.portsdns.net b.portsdns.net	AS42354 Anexia Cloud Solutions GmbH AS42354 Anexia Cloud Solutions GmbH

🌍 A Records1 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records3 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	3600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	162.159.135.42
🔶 Autoconfig	162.159.135.42

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 162ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	owa.son.dk

📝 TXT Records1 records 479ms

TXT Record
v=spf1 ip4:193.0.243.20 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (son.dk)
-all (hard fail)	v=spf1 ip4:193.0.243.20 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.son.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:615ad3c60eb36@dmarc.centerasecurity.com; adkim=s; aspf=s

📬 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
CNAME	_acme-challenge.son.dk	son.dk.kinstavalidation.app

🔗 TLSA / DANE6 records 119ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC197ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026082700
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

74ms

A

89ms

MX

69ms

AAAA

75ms

TXT

479ms

CAA

62ms

HTTPS

59ms

TLSA

119ms

SOA

0ms

MTA-STS

148ms

DNSSEC

197ms

SRV

162ms

Total

1680ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 14:13:52	1680ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 12:09:05	1204ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-23 16:29:09	4174ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-29 20:34:48	3428ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-27 02:53:24	1333ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-25 01:40:41	1371ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-28 22:31:39	935ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 14:37:53	2410ms	2 NS 1 A 3 MX	🔒 Secure	View