handelsfagskolen.dk DNS records

🖥️ Nameservers3 records 74ms

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 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.254.168.52	300s	cphbusiness.dk ek.dk keanet.dk kompetence.kea.dk redirect.efif.dk	AS51073	Aarhus Business College	195.254.168.0/23	🇩🇰 Denmark	Aarhus

📧 MX Records1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	handelsfagskolen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::24 2a01:111:f403:ca09::9 2a01:111:f403:ca48::c 52.101.209.153 52.101.68.3 52.101.73.2 52.101.73.26	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as9pr07cu00302.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 Records1 records 165ms

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

📝 TXT Records5 records 265ms

TXT Record
Handelsfagskolen i Odder
handelsfagskolen.azurewebsites.net
MS=ms31750909
NydseUgUnYFU+IQr11a2SDjABxPXjVP/6+P82uDxMbfVRzwbCDij/QsH9I6BoaX6pbVMMz9BRtrRkLQmv00kLA==
v=spf1 include:spf.protection.outlook.com include:eu.mailgun.org include:_spf2.efif.dk -all

✉️ SPF

Policy	Record (handelsfagskolen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:eu.mailgun.org include:_spf2.efif.dk -all

📨 DMARC

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

🔐 DNSSEC235ms

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

🏷️ SOA0ms

Field	Value
Serial	2010072321
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

74ms

A

100ms

MX

85ms

AAAA

84ms

TXT

265ms

CAA

101ms

HTTPS

78ms

TLSA

411ms

SOA

0ms

MTA-STS

104ms

DNSSEC

235ms

SRV

165ms

Total

1382ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 09:49:53	1382ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 08:07:03	696ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 03:31:50	973ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 18:58:02	8823ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 00:50:17	18174ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 00:10:28	1699ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 16:39:44	1763ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 19:34:53	11182ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 23:54:36	14732ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 22:54:55	2455ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 07:44:30	5441ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 06:08:56	1286ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 13:16:27	7198ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 12:47:17	2675ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 11:37:15	2672ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 04:39:28	3787ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 16:06:31	6922ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 09:36:37	3158ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 20:08:56	2288ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 19:00:22	2058ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 06:04:03	3251ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 01:40:33	2943ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:32:53	1714ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 19:38:37	1217ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 06:12:49	1248ms	3 NS 1 A 1 MX	🔒 Secure	View