simb.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.232.147.252	3600s	172-232-147-252.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.232.128.0/17	🇸🇪 Sweden	Stockholm
172.233.57.17	3600s	172-233-57-17.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.233.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records8 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.statens-it.dk	194.182.109.217	mx01.statens-it.dk	AS58282 Statens IT
10	3600s	mx02.statens-it.dk	194.182.109.218	mx02.statens-it.dk	AS58282 Statens IT
10	3600s	mx03.statens-it.dk	194.182.109.219	mx03.statens-it.dk	AS58282 Statens IT
10	3600s	mx04.statens-it.dk	194.182.109.220	mx04.statens-it.dk	AS58282 Statens IT
10	3600s	mx05.statens-it.dk	194.182.109.221	mx05.statens-it.dk	AS58282 Statens IT
10	3600s	mx06.statens-it.dk	194.182.109.222	mx06.statens-it.dk	AS58282 Statens IT
10	3600s	mx07.statens-it.dk	194.182.109.223	mx07.statens-it.dk	AS58282 Statens IT
10	3600s	mx08.statens-it.dk	194.182.109.224	mx08.statens-it.dk	AS58282 Statens IT

🔷 AAAA Records (IPv6)2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:3c09::f03c:94ff:fed1:f1bb	3600s	—	AS63949	Akamai Connected Cloud	2600:3c08:0:0:0:0:0:0/30	🇸🇪 Sweden	Stockholm
2600:3c0e::f03c:94ff:fed1:4ea	3600s	—	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

📝 TXT Records1 records 339ms

TXT Record
v=spf1 mx ip4:198.2.128.0/18 ip4:205.201.128.0/20 ip4:148.105.0.0/16 ip4:92.43.124.146/31 include:_spf.sitnet.dk -all

✉️ SPF

Policy	Record (simb.dk)
-all (hard fail)	v=spf1 mx ip4:198.2.128.0/18 ip4:205.201.128.0/20 ip4:148.105.0.0/16 ip4:92.43.124.146/31 include:_spf.sitnet.dk -all

📨 DMARC

Policy	Record (_dmarc.simb.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.simb.dk	57K7OfGKzfQCwvnjBlTRQ_NnVWgbJSgEPorCQTy7X2I

🔗 TLSA / DANE16 records 350ms

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

🔐 DNSSEC155ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

38ms

MX

57ms

AAAA

57ms

TXT

339ms

CAA

52ms

HTTPS

54ms

TLSA

350ms

SOA

0ms

MTA-STS

87ms

DNSSEC

155ms

SRV

144ms

Total

9779ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 16:03:58	9779ms	2 NS 2 A 8 MX	🔒 Secure	View
2026-07-26 12:58:08	17946ms	2 NS 2 A 8 MX	🔒 Secure	View
2026-07-18 17:35:40	33589ms	2 NS 2 A 8 MX	🔒 Secure	View
2026-07-14 07:09:25	9447ms	2 NS 2 A 8 MX	🔒 Secure	View
2026-06-20 04:28:05	3699ms	2 NS 2 A 8 MX	🔒 Secure	View
2026-06-17 12:13:08	1993ms	2 NS 2 A 8 MX	🔒 Secure	View