fgub.dk

📜 Historical scan 2026-08-10 00:00:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fgub.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 8 May 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.66 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fgub-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 179ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records#

1 records 203ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.66	3600s	linux390.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 213ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fgub-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 52.101.68.8 52.101.73.11 52.101.73.19 52.101.73.26	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 303ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 526ms

TXT Record
MS=ms35584739
v=spf1 include:_spf.efif.dk ip4:188.64.157.0/29 ip4:92.43.124.146 ip4:98.71.157.86 -all

✉️ SPF#

Policy	Record (fgub.dk)
-all (hard fail)	v=spf1 include:_spf.efif.dk ip4:188.64.157.0/29 ip4:92.43.124.146 ip4:98.71.157.86 -all

📨 DMARC#

Policy	Record (_dmarc.fgub.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@fgub.dk; rua=mailto:64e88d13a948b@dmarc.centerasecurity.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 12:42:01

www CNAME	fgub.dk (all on fgub.dk) → 185.20.205.66 (AS48854)
www vs bare domain	Same network fgub.dk: 185.20.205.66 (AS48854) www.fgub.dk: 185.20.205.66 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-fgub-dk._domainkey.efif.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

396ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2019012843
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	3600s
Retry	1800s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 05:45:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-05-08
Expires	2027-05-31 (224d)

🔗 Same registrant#

7 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
cabh.dk	Punktum dk A/S (direct)
cafs.dk	Punktum dk A/S (direct)
campusbornholm.dk	Punktum dk A/S (direct)
campusdysten.dk	Punktum dk A/S (direct)
fgu-bornholm.dk	Punktum dk A/S (direct)
htxbornholm.dk	Punktum dk A/S (direct)
webundervisning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

179ms

203ms

213ms

AAAA

254ms

TXT

526ms

CAA

205ms

HTTPS

190ms

TLSA

1033ms

SOA

0ms

MTA-STS

280ms

DNSSEC

396ms

SRV

303ms

Total

4419ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 12:42:01	2852ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-15 07:05:29	1552ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 05:25:50	2308ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-09 22:34:40	1398ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-08 21:46:11	1766ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-06 21:38:47	5115ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 12:50:10	1229ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 12:48:31	1256ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-28 12:35:28	1336ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 12:24:26	18078ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:34:24	1165ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 12:42:00	1826ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 11:43:23	5857ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-08 23:26:27	3878ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-30 11:52:45	1262ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 22:32:00	891ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-25 01:33:18	6288ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-19 20:13:03	1686ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-18 20:09:42	9807ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-17 07:41:09	3482ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-13 06:17:53	1402ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-11 23:13:22	5970ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-10 00:00:36 shown	4419ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-06 09:35:08	6691ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-27 05:17:05	2422ms	3 NS 1 A 1 MX	🔒 Secure