3d-ct.dk

Records from scan: 2026-10-01 06:33:35 · 1154ms total · last checked 2026-10-16 21:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3d-ct.dk is a .dk domain served by 2 nameservers (ns1.dnsserver.dk, ns2.dnsserver.dk). It was registered on 7 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by 3dct-dk0e.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsserver.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dnsserver.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	3dct-dk0e.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::a 2a01:111:f403:ca21::10 52.101.103.137 52.101.103.162 52.101.73.155 52.101.91.156	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-maspr04cu00104.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

📝 TXT Records#

2 records 139ms

TXT Record
MS=ms55615995
v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -all

✉️ SPF#

Policy	Record (3d-ct.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -all

📨 DMARC#

Policy	Record (_dmarc.3d-ct.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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#

checked 2026-10-12 16:38:29

www	NXDOMAIN
www vs bare domain	Neither resolves 3d-ct.dk: no address www.3d-ct.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-3dct-dk0e._domainkey.godk84786217.onmicrosoft.com	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

44ms

Field	Value
Serial	2025122201
Primary NS (MNAME)	ns1.dnsserver.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-15 16:46:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-01-07
Expires	2027-01-31 (106d)

🔗 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#

30ms

32ms

29ms

AAAA

51ms

TXT

139ms

CAA

41ms

HTTPS

51ms

TLSA

586ms

SOA

44ms

MTA-STS

37ms

DNSSEC

94ms

SRV

64ms

Total

1154ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:33:35 shown	1154ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-28 02:00:02	728ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 01:40:57	915ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-25 01:56:03	32714ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-03 01:38:40	803ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 06:03:33	1593ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 12:39:58	919ms	2 NS 0 A 1 MX	🔒 Secure