ducas.dk

📜 Historical scan 2026-06-28 13:56:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ducas.dk is a .dk domain served by 2 nameservers (perla.ns.cloudflare.com, uriah.ns.cloudflare.com). It was registered on 19 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ducas-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
perla.ns.cloudflare.com	108.162.194.203 162.159.38.203 172.64.34.203 2606:4700:50::a29f:26cb 2803:f800:50::6ca2:c2cb 2a06:98c1:50::ac40:22cb	perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uriah.ns.cloudflare.com	108.162.195.194 162.159.44.194 172.64.35.194 2606:4700:58::a29f:2cc2 2803:f800:50::6ca2:c3c2 2a06:98c1:50::ac40:23c2	uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ducas-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::c 2a01:111:f403:ca09::1 2a01:111:f403:ca09::6 52.101.73.15 52.101.73.16 52.101.73.28 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24

🔷 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	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 191ms

TXT Record
MS=ms24050468
v=spf1 ip4:92.43.124.218 ip4:92.43.124.143 ip4:92.43124.79 ip4:159.8.140.136 ip4:37.58.122.169 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (ducas.dk)
-all (hard fail)	v=spf1 ip4:92.43.124.218 ip4:92.43.124.143 ip4:92.43124.79 ip4:159.8.140.136 ip4:37.58.122.169 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-18 11:54:19

www	NXDOMAIN
www vs bare domain	Neither resolves ducas.dk: no address www.ducas.dk: no address
Wildcard	No

🔎 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#

60ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

30ms

Field	Value
Serial	2407286981
Primary NS (MNAME)	perla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 10:34:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-04-19
Expires	2027-06-30 (252d)

🔗 Same registrant#

48 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).

Domain	Registrar
amumidt.dk	Punktum dk A/S (direct)
bilsyn-ringe.dk	Punktum dk A/S (direct)
bilsynherning.dk	Punktum dk A/S (direct)
bilsynringe.dk	Punktum dk A/S (direct)
bilsynspriser.dk	Punktum dk A/S (direct)
bilsynvejle.dk	Punktum dk A/S (direct)
dekra-bilsyn.dk	Punktum dk A/S (direct)
dekra-business.dk	Punktum dk A/S (direct)
dekra-erhvervsuddannelse.dk	Punktum dk A/S (direct)
dekra-eud.dk	Punktum dk A/S (direct)
dekra-fyn.dk	Punktum dk A/S (direct)
dekra-it.dk	Punktum dk A/S (direct)
dekra-kl.dk	Punktum dk A/S (direct)
dekra-koerelaerer.dk	Punktum dk A/S (direct)
dekra-korelaerer.dk	Punktum dk A/S (direct)
dekra-kta.dk	Punktum dk A/S (direct)
dekra-midtjylland.dk	Punktum dk A/S (direct)
dekra-vognmand.dk	Punktum dk A/S (direct)
dekra.dk	Punktum dk A/S (direct)
dv-academy.dk	Punktum dk A/S (direct)
dv-dk.dk	Punktum dk A/S (direct)
dvacademy.dk	Punktum dk A/S (direct)
fpu.dk	Punktum dk A/S (direct)
grønskøreskole.dk	Punktum dk A/S (direct)
koereskoleservice.dk	Punktum dk A/S (direct)
koreskoleservice.dk	Punktum dk A/S (direct)
kta-fyn.dk	Punktum dk A/S (direct)
køreskoleservice.dk	Punktum dk A/S (direct)
nordjysktransportmesse.dk	Punktum dk A/S (direct)
norresundbybilsyn.dk	Punktum dk A/S (direct)
pent4rent.dk	Punktum dk A/S (direct)
saaby-bilsyn.dk	Punktum dk A/S (direct)
synspriser.dk	Punktum dk A/S (direct)
thomas-bilsyn.dk	Punktum dk A/S (direct)
tuc-danmark.dk	Punktum dk A/S (direct)
tuc-dekra.dk	Punktum dk A/S (direct)
tuc.dk	Punktum dk A/S (direct)
tucas.dk	Punktum dk A/S (direct)
tucdanmark.dk	Punktum dk A/S (direct)
tucdekra.dk	Punktum dk A/S (direct)
tucdk.dk	Punktum dk A/S (direct)
tucmidtjylland.dk	Punktum dk A/S (direct)
tucsjaelland.dk	Punktum dk A/S (direct)
vejlebilsyn.dk	Punktum dk A/S (direct)
vestjysk-storvognsskole.dk	Punktum dk A/S (direct)
vestjyskstorvognsskole.dk	Punktum dk A/S (direct)
vognmandskurser.dk	Punktum dk A/S (direct)
vs.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

51ms

43ms

AAAA

49ms

TXT

191ms

CAA

31ms

HTTPS

55ms

TLSA

240ms

SOA

30ms

MTA-STS

59ms

DNSSEC

60ms

SRV

63ms

Total

1093ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 11:54:18	1429ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-15 09:05:15	1759ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-02 19:44:16	964ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 14:06:06	1251ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-29 16:00:05	818ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-25 17:17:28	848ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-28 07:34:20	1113ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-21 21:20:03	2923ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-19 20:57:57	2039ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-18 20:43:46	4035ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-17 05:04:36	5700ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-15 10:23:38	2073ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-28 13:56:42 shown	1093ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-26 04:41:27	2205ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-24 00:35:49	897ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 17:16:12	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 04:55:18	635ms	2 NS 0 A 1 MX	🔓 Insecure