fgu-ns.dk DNS records

🖥️ Nameservers2 records 35ms

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 Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.133	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records8 records 36ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)1 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:28:be5c:15ac:a400	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 65ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 172ms

TXT Record
sendinblue-code:611d7fbaac144b153bf58ac5bc740a93
v=spf1 ip4:92.43.124.144 ip4:185.163.189.63 include:_spf.sitnet.dk include:o._spf.hostedsepo.dk include:spf.protection.outlook.com include:spf.sendinblue.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (fgu-ns.dk)
-all (hard fail)	v=spf1 ip4:92.43.124.144 ip4:185.163.189.63 include:_spf.sitnet.dk include:o._spf.hostedsepo.dk include:spf.protection.outlook.com include:spf.sendinblue.com include:_custspf.one.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 / DANE16 records 262ms

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

🔐 DNSSEC78ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082205
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-22 22:03:04

Field	Value
Registrar	ONE.COM A/S
Registered	2019-04-02
Expires	2027-04-30 (240d)

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

49ms

MX

36ms

AAAA

32ms

TXT

172ms

CAA

31ms

HTTPS

32ms

TLSA

262ms

SOA

0ms

MTA-STS

62ms

DNSSEC

78ms

SRV

65ms

Total

2666ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:18:30	2666ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-08-22 22:02:50	8010ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-08-09 16:15:49	1897ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-07-09 04:34:22	1735ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-07-03 19:16:59	1600ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-27 11:52:02	1193ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-20 04:07:35	1091ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-17 10:18:32	14687ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-17 10:15:38	5633ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-17 10:13:05	1832ms	2 NS 1 A 8 MX	🔒 Secure	View