ceas.dk

📜 Historical scan 2026-08-15 00:19:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ceas.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 October 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.101.82 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ceas-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

1 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 Records#

1 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 Records#

1 records 63ms

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

📝 TXT Records#

1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 15:29:41

www	94.231.101.82 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ceas.dk: 94.231.101.82 (AS48854) www.ceas.dk: 94.231.101.82 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ceas-dk._domainkey.masas.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

84ms

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

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-13 15:49:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-10-21
Expires	2026-10-31 (14d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
brofogedvej.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

41ms

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
2026-10-13 15:29:41	2119ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 22:09:57	956ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 01:36:10	1027ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 06:48:32	1338ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 02:35:59	780ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 00:19:32 shown	1329ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 15:41:10	16935ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 11:20:07	2238ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 19:55:21	732ms	2 NS 1 A 1 MX	🔒 Secure