college360.dk DNS records

🖥️ Nameservers3 records 120ms

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 134ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.251.4.118	300s	vm0845.enterprisecloud.nu	AS48854	team.blue Denmark A/S	178.251.0.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 173ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	college360-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::2 2a01:111:f403:ca09::f 52.101.103.143 52.101.68.27 52.101.73.145 52.101.73.155	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.40
🔶 Autoconfig	178.251.4.118

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 307ms

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

📝 TXT Records3 records 468ms

TXT Record
bqut4q8bg25ja715kbmnko71dd
MS=ms28050298
v=spf1 include:spf.protection.outlook.com include:_spf2.efif.dk include:spf.mcb.dk include:sendgrid.net ip4:195.74.34.66 ip4:193.201.39.122 -all

✉️ SPF

Policy	Record (college360.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf2.efif.dk include:spf.mcb.dk include:sendgrid.net ip4:195.74.34.66 ip4:193.201.39.122 -all

📨 DMARC

Policy	Record (_dmarc.college360.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@college360.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)

🔐 DNSSEC378ms

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

🏷️ SOA0ms

Field	Value
Serial	2016011582
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

120ms

A

134ms

MX

173ms

AAAA

139ms

TXT

468ms

CAA

137ms

HTTPS

145ms

TLSA

928ms

SOA

0ms

MTA-STS

201ms

DNSSEC

378ms

SRV

307ms

Total

2916ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 10:48:10	2916ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 09:25:09	977ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 18:27:51	1405ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 16:23:10	970ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 11:25:45	3387ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 06:34:17	3279ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 06:19:25	3021ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 04:12:07	3205ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 03:51:59	5315ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 00:37:14	4244ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 17:52:04	5486ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 13:59:32	17101ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 00:39:27	15525ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 20:10:37	5515ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 19:33:03	1733ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 21:07:26	5314ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 08:03:44	4023ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 23:53:12	3738ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 22:44:05	32841ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 21:41:42	2895ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 21:24:23	10390ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 20:50:14	3845ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 20:16:13	3337ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 11:40:47	10498ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 10:32:15	3953ms	3 NS 1 A 1 MX	🔒 Secure	View