fguskolen.dk DNS records

🖥️ Nameservers4 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
88.99.81.232	3600s	linux3.itfirmaet.dk	AS24940	Hetzner Online GmbH	88.99.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records8 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx01.statens-it.dk	194.182.109.217	mx01.statens-it.dk	AS58282 Statens IT
10	600s	mx02.statens-it.dk	194.182.109.218	mx02.statens-it.dk	AS58282 Statens IT
10	600s	mx03.statens-it.dk	194.182.109.219	mx03.statens-it.dk	AS58282 Statens IT
10	600s	mx04.statens-it.dk	194.182.109.220	mx04.statens-it.dk	AS58282 Statens IT
10	600s	mx05.statens-it.dk	194.182.109.221	mx05.statens-it.dk	AS58282 Statens IT
10	600s	mx06.statens-it.dk	194.182.109.222	mx06.statens-it.dk	AS58282 Statens IT
10	600s	mx07.statens-it.dk	194.182.109.223	mx07.statens-it.dk	AS58282 Statens IT
10	600s	mx08.statens-it.dk	194.182.109.224	mx08.statens-it.dk	AS58282 Statens IT

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 62ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 173ms

TXT Record
autodesk-domain-verification=lwfezLDEX_JXbIj_GTUq
autodesk-domain-verification=y_lnO-VMGVR8Rpfu6iBi
google-site-verification=Rk8g-Kgy2_zMbuZ9kxa8O0ecyEDtm6f1qqVnJbHouZw
v=spf1 a ip4:92.43.124.144 ip4:185.163.189.63 include:_spf.sitnet.dk include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (fguskolen.dk)
-all (hard fail)	v=spf1 a ip4:92.43.124.144 ip4:185.163.189.63 include:_spf.sitnet.dk include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.fguskolen.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; 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

🔗 TLSA / DANE16 records 303ms

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	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	1DFC9477DAE259CF5EC3C684DAAEEA6C…
SMTP _25._tcp.mx03.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.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…

🔐 DNSSEC108ms

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

🏷️ SOA29ms

Field	Value
Serial	2026040900
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

41ms

MX

38ms

AAAA

37ms

TXT

173ms

CAA

34ms

HTTPS

37ms

TLSA

303ms

SOA

29ms

MTA-STS

38ms

DNSSEC

108ms

SRV

62ms

Total

1325ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 10:50:47	1325ms	4 NS 1 A 8 MX	🔒 Secure	View
2026-06-23 03:25:59	1076ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:13:46	1200ms	4 NS 1 A 8 MX	🔒 Secure	View