cphbusiness.dk DNS records

🖥️ Nameservers3 records 510ms

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 572ms

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 567ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	cphbusiness-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::e 2a01:111:f403:ca09::26 52.101.103.137 52.101.103.143 52.101.73.16 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 646ms

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

📝 TXT Records15 records 1050ms

TXT Record
_i1vm0dtxggtq6c0bvya6dh2j39uq8p2
apple-domain-verification=hI7lxzO6gtbPIsGb
C537905A659E5F82135B05A4C1FFF2AB8C4E2291CA84957379574571076AE123
Copenhagen Business Academy
customgpt-site-verification=aada47dd0f8113e2e8aa4b4f6012a22e9b368760
dmjsnbps1nqj1tvhm323pdp8z2vy6bvs
google-site-verification= rXOxyZounnZasA8Z7oaD3c14JdjS9aKSWvsR1EbUSIQ
google-site-verification=CuVY_5ddfo71I3HeoTWMYCexHMNNT4mfGOxJlLxDLCY
google-site-verification=dXHdyTaJn94TSQbVMuVjSTCbxQ9Q-SMILouiwvG4WPg
j8klwbw84qfztqtcxl8br9q7h58kwdtz
k56c8qysmkqpdxq49shl86y80wj6470s
MS=ms29823118
Prl2sdegC5RuIY8opzveNkifMXFjm6E4omrzhvNHuJS3Xqk4NZUsg5gSCCuBTFUPIoCTSmsMjQ3jU/GoByX+uA==
q1jh2sv5yfxmjgc9xqn6qwypn25s8h7q
v=spf1 include:spf.protection.outlook.com include:myopenlms.net include:_spf.createsend.com include:mail.zendesk.com include:spf.flowmailer.net include:spf.topdesk.net ip4:46.183.247.6 ip4:46.183.247.1 ip4:52.178.44.121 -all

✉️ SPF

Policy	Record (cphbusiness.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:myopenlms.net include:_spf.createsend.com include:mail.zendesk.com include:spf.flowmailer.net include:spf.topdesk.net ip4:46.183.247.6 ip4:46.183.247.1 ip4:52.178.44.121 -all

📨 DMARC

Policy	Record (_dmarc.cphbusiness.dk)
p=reject	v=DMARC1; p=reject; pct=100; 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)

🔐 DNSSEC846ms

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

🏷️ SOA0ms

Field	Value
Serial	2013122192
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

510ms

A

572ms

MX

567ms

AAAA

513ms

TXT

1050ms

CAA

492ms

HTTPS

584ms

TLSA

460ms

SOA

0ms

MTA-STS

652ms

DNSSEC

846ms

SRV

646ms

Total

2981ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:53:54	2981ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 01:44:54	1170ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 13:08:19	954ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 10:32:10	3272ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 05:44:35	5869ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 17:32:38	5669ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 09:12:43	9192ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 04:53:44	7429ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 11:52:09	2765ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 19:33:45	5438ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 16:37:34	7153ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 16:20:39	6899ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 16:04:21	5229ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 23:32:13	11463ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 21:55:52	18561ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 21:00:59	5760ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 13:59:46	4506ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-11 08:07:13	18010ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 19:26:37	1287ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 14:25:39	5216ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 10:36:32	997ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 06:46:39	3535ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 14:20:38	830ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 08:53:33	3201ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 07:55:12	14404ms	0 NS 0 A 0 MX	⚠️ Bogus	View