fgub.dk DNS records

🖥️ Nameservers3 records 23ms

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 Records1 records 30ms

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 Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fgub-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09:: 2a01:111:f403:ca09::7 2a01:111:f403:ca09::d 52.101.103.137 52.101.68.10 52.101.73.24 52.101.73.8	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 42ms

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

📝 TXT Records2 records 97ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2019012852
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	3600s
Retry	1800s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

23ms

A

30ms

MX

24ms

AAAA

27ms

TXT

97ms

CAA

33ms

HTTPS

23ms

TLSA

808ms

SOA

0ms

MTA-STS

35ms

DNSSEC

97ms

SRV

42ms

Total

1262ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 11:52:45	1262ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 22:32:00	891ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 01:33:18	6288ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 20:13:03	1686ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 20:09:42	9807ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 07:41:09	3482ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 06:17:53	1402ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 23:13:22	5970ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 00:00:36	4419ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 09:35:08	6691ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 05:17:05	2422ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 03:51:58	2624ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 01:01:08	3121ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 00:27:37	2686ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 23:00:25	17172ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 17:58:55	9584ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-15 07:38:03	1933ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 08:24:05	1313ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 00:58:26	13070ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 02:12:06	1658ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 19:47:38	5099ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 15:49:45	954ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 15:51:53	873ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:23:08	1550ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:31:17	970ms	0 NS 0 A 0 MX	❓ Unknown	View