sim.dk DNS records

🖥️ Nameservers2 records 406ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-auth.csc.dk	147.29.236.25 2a01:5440:2:0:147:29:236:25	ns1-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S
ns2-auth.csc.dk	147.29.238.25 2a01:5440:2:2000:147:29:238:25	ns2-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S

🌍 A Records2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.232.147.252	300s	172-232-147-252.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.232.128.0/17	🇸🇪 Sweden	Stockholm
172.233.57.17	300s	172-233-57-17.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.233.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records8 records 417ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.statens-it.dk	194.182.109.217	mx01.statens-it.dk	AS58282 Statens IT
10	300s	mx02.statens-it.dk	194.182.109.218	mx02.statens-it.dk	AS58282 Statens IT
10	300s	mx03.statens-it.dk	194.182.109.219	mx03.statens-it.dk	AS58282 Statens IT
10	300s	mx04.statens-it.dk	194.182.109.220	mx04.statens-it.dk	AS58282 Statens IT
10	300s	mx05.statens-it.dk	194.182.109.221	mx05.statens-it.dk	AS58282 Statens IT
10	300s	mx06.statens-it.dk	194.182.109.222	mx06.statens-it.dk	AS58282 Statens IT
10	300s	mx07.statens-it.dk	194.182.109.223	mx07.statens-it.dk	AS58282 Statens IT
10	300s	mx08.statens-it.dk	194.182.109.224	mx08.statens-it.dk	AS58282 Statens IT

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	5.179.94.107

🔷 AAAA Records (IPv6)2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:3c09::f03c:94ff:fed1:f1bb	300s	—	AS63949	Akamai Connected Cloud	2600:3c08:0:0:0:0:0:0/30	🇸🇪 Sweden	Stockholm
2600:3c0e::f03c:94ff:fed1:4ea	300s	—	AS63949	Akamai Connected Cloud	2600:3c0e:0:0:0:0:0:0/32	🇳🇱 The Netherlands	Amsterdam

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 420ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	5	5	443	autodiscover.sim.dk
_sipfederationtls._tcp	10	10	5061	sip.sim.dk

📝 TXT Records4 records 239ms

TXT Record
MS=ms49812168
Social- og Indenrigsministeriet
tIb//qCbPWBFrUu39IQa9Wy7BfRxyFSvpkTVCJMgQT9xMZKSXw2W2CQoi70SM/dC6WbuqE544OZuFc4R9NHjbA==
v=spf1 mx ip4:92.43.124.146 ip4:5.179.94.107 ip4:5.179.94.120 a:epost.sm.dk ip4:5.179.94.127 ip4:198.2.128.0/18 ip4:205.201.128.0/20 include:spf.protection.outlook.com include:umint.sitnet.dk include:_spf.sitnet.dk -all

✉️ SPF

Policy	Record (sim.dk)
-all (hard fail)	v=spf1 mx ip4:92.43.124.146 ip4:5.179.94.107 ip4:5.179.94.120 a:epost.sm.dk ip4:5.179.94.127 ip4:198.2.128.0/18 ip4:205.201.128.0/20 include:spf.protection.outlook.com include:umint.sitnet.dk include:_spf.sitnet.dk -all

📨 DMARC

Policy	Record (_dmarc.sim.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 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.sim.dk	hpUaxMz2snIuwbpFgf8gnFSRIX0cErmsdm-i4o-_F0E

🔗 TLSA / DANE16 records 88ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx01.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx02.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx03.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx04.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx05.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx06.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx07.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	8A12C2B7C0B5B6A9B6026C875909858F…
SMTP _25._tcp.mx08.statens-it.dk	DANE-EE · Full cert · SHA-512	1DFC9477DAE259CF5EC3C684DAAEEA6C…

🔐 DNSSEC115ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA429ms

Field	Value
Serial	2025111002
Primary NS (MNAME)	ns-master.csc.dk
Responsible (RNAME)	hostmaster@csc.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

406ms

A

50ms

MX

417ms

AAAA

37ms

TXT

239ms

CAA

33ms

HTTPS

50ms

TLSA

88ms

SOA

429ms

MTA-STS

48ms

DNSSEC

115ms

SRV

420ms

Total

1151ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 23:05:16	1151ms	2 NS 2 A 8 MX	🔓 Insecure	View
2026-06-22 10:45:09	1010ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 07:58:51	25798ms	2 NS 2 A 8 MX	🔓 Insecure	View