ceas.dk DNS records

🖥️ Nameservers2 records 33ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.101.82	3600s	linux80.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	ceas-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 2a01:111:f403:ca09::f 52.101.68.18 52.101.68.39 52.101.68.5 52.101.73.12	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.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 63ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 228ms

TXT Record
v=spf1 mx ip4:94.18.228.123 include:spf.protection.outlook.com include:_spf.paychex.eu include:amazonses.com include:spf.eu.signature365.net ~all

✉️ SPF

Policy	Record (ceas.dk)
~all (soft fail)	v=spf1 mx ip4:94.18.228.123 include:spf.protection.outlook.com include:_spf.paychex.eu include:amazonses.com include:spf.eu.signature365.net ~all

📨 DMARC

Policy	Record (_dmarc.ceas.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

33ms

A

41ms

MX

50ms

AAAA

51ms

TXT

228ms

CAA

44ms

HTTPS

39ms

TLSA

345ms

SOA

0ms

MTA-STS

57ms

DNSSEC

84ms

SRV

63ms

Total

1329ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 00:19:32	1329ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 15:41:10	16935ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 11:20:07	2238ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:55:21	732ms	2 NS 1 A 1 MX	🔒 Secure	View