danishcomputerconsulting.dk

📜 Historical scan 2026-10-01 08:08:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

danishcomputerconsulting.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, decker.ns.cloudflare.com). It was registered on 6 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.136 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.lynhurtigt.dk. 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#

2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
abby.ns.cloudflare.com	108.162.192.100 172.64.32.100 173.245.58.100 2606:4700:50::adf5:3a64 2803:f800:50::6ca2:c064 2a06:98c1:50::ac40:2064	abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
decker.ns.cloudflare.com	108.162.195.155 162.159.44.155 172.64.35.155 2606:4700:58::a29f:2c9b 2803:f800:50::6ca2:c39b 2a06:98c1:50::ac40:239b	decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.136	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.170.214	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.lynhurtigt.dk	80.209.76.148	80.209.76.148.static.fibianet.dk	AS44869 FIBIA P/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.lynhurtigt.dk → 80.209.76.148
🔶 Autoconfig	mail.lynhurtigt.dk → 80.209.76.148

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1c88	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:aad6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.136,172.67.170.214 ech=AEX+DQBBIQAgACDepu5XFhjNsTaJykFP5aC6eLhW+KKUXtgKGuWt2c26QgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1c88,2606:4700:3033::ac43:aad6

🔌 SRV Records#

1 records 91ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	mail.lynhurtigt.dk

📝 TXT Records#

1 records 219ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (danishcomputerconsulting.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.danishcomputerconsulting.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:rua@danishcomputerconsulting.dk

📬 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 2026-10-09 08:16:25

www	104.21.28.136 172.67.170.214 2606:4700:3031::6815:1c88 2606:4700:3033::ac43:aad6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network danishcomputerconsulting.dk: 104.21.28.136 172.67.170.214 2606:4700:3031::6815:1c88 2606:4700:3033::ac43:aad6 (AS13335) www.danishcomputerconsulting.dk: 104.21.28.136 172.67.170.214 2606:4700:3031::6815:1c88 2606:4700:3033::ac43:aad6 (AS13335)
Wildcard	Yes: any name under the zone resolves
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
dkim	—	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#

79ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2416273764
Primary NS (MNAME)	abby.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 05:16:10

Field	Value
Registrar	Simply.com A/S
Registered	2003-10-06
Expires	2030-10-31 (1473d)

🔗 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
lynhurtigt.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

65ms

35ms

AAAA

42ms

TXT

219ms

CAA

45ms

HTTPS

32ms

TLSA

107ms

SOA

52ms

MTA-STS

39ms

DNSSEC

79ms

SRV

91ms

Total

762ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 02:24:40	834ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 08:08:44 shown	762ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 19:33:37	977ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 18:59:39	708ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 18:46:29	737ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 18:40:31	736ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 18:05:49	734ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 16:38:29	899ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 23:07:13	534ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 17:31:46	491ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 00:10:02	915ms	4 NS 1 A 1 MX	🔒 Secure