cac.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.191.28	600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cac-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::5 52.101.68.0 52.101.73.26 52.101.73.30 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr83cu00404.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 Records2 records 75ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	10	443	mx.onlineautodele.dk
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records9 records 154ms

TXT Record
_globalsign-domain-verification=-bxr7ZZdwqgGpvYtu4NhJURmsv02--_2B-o5V0y5LO
_globalsign-domain-verification=6vBvDVWralnFY-a0NpJlWVXKU69QKb7jc01_o3M9ZM
_globalsign-domain-verification=LcP2wGkUnebHBUKQrDotDwAtWD59Xv8B9d4hPnrcoK
_globalsign-domain-verification=WqgUM4lVH7P9rfPb0-ubvpsTeJtakQob8EsrTjdPd1
37884a14-53d7-409e-977c-4176479458fc
apple-domain-verification=rseYn66XNQ9VSGqz
mgverify=28d4ed4dd94b620fdd64ed7268659a45d3d8234759d9da0f69abb1428cfcd109
N6AisL2McWnE0Xs0lGsjMzFNr0uXFLYWvKEm4fxaLE6bPWe12tir54biblwdCSqm2GX2hD/W09fTRTd6o4+/rg==
v=spf1 include:spf.cac.dk include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (cac.dk)
~all (soft fail)	v=spf1 include:spf.cac.dk include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.cac.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc_rua@cac.dk; ruf=mailto:dmarc_ruf@cac.dk; pct=100

📬 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)

🔐 DNSSEC58ms

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

🏷️ SOA23ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

30ms

MX

32ms

AAAA

30ms

TXT

154ms

CAA

30ms

HTTPS

31ms

TLSA

785ms

SOA

23ms

MTA-STS

42ms

DNSSEC

58ms

SRV

75ms

Total

5688ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-10 21:12:29	5688ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 11:30:59	2568ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:45:57	648ms	2 NS 1 A 1 MX	🔒 Secure	View