censec.dk

📜 Historical scan 2026-09-06 04:44:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

censec.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 7 June 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.46.3.99 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by censec-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

4 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.46.3.99	3600s	dedi899.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	censec-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 2a01:111:f403:ca3c::6 52.101.103.143 52.101.185.24 52.101.68.18 52.101.73.1	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.56
🔶 Autoconfig	78.46.3.99

🔷 AAAA Records (IPv6)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:d0a:329c::2	600s	dedi899.your-server.de	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 77ms

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

📝 TXT Records#

2 records 139ms

TXT Record
google-site-verification=mApuAlUxZNDuQ5Ltgw8hxUCxWI_pJM_aZoF6m2G6s1U
v=spf1 include:_spf3360.spfprotect.com include:e.my-crm.io include:mailgun.org include:spf.rpost.net -all

✉️ SPF#

Policy	Record (censec.dk)
-all (hard fail)	v=spf1 include:_spf3360.spfprotect.com include:e.my-crm.io include:mailgun.org include:spf.rpost.net -all

📨 DMARC#

Policy	Record (_dmarc.censec.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:60926356dff54@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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 11:52:18

www	78.46.3.99 (AS24940) (address records, no CNAME)
www vs bare domain	Same network censec.dk: 78.46.3.99 2a01:4f8:d0a:329c::2 (AS24940) www.censec.dk: 78.46.3.99 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-censec-dk._domainkey.censec.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: 13/10 · policy: -all

error 13 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024081301
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 12:13:54

Field	Value
Registrar	Simply.com A/S
Registered	2006-06-07
Expires	2027-06-30 (256d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

36ms

35ms

40ms

AAAA

33ms

TXT

139ms

CAA

41ms

HTTPS

38ms

TLSA

1138ms

SOA

0ms

MTA-STS

44ms

DNSSEC

74ms

SRV

77ms

Total

1630ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 11:52:18	1210ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-09 07:01:57	1205ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 19:23:41	1381ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:19:18	1293ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:32:16	1405ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 00:53:07	1254ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-06 04:44:36 shown	1630ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-01 21:20:25	1363ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-26 14:51:20	1154ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:37:07	20898ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:10:41	540ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:09:39	2233ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:01:16	727ms	4 NS 1 A 1 MX	🔒 Secure