olc.dk

📜 Historical scan 2026-09-27 08:57:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

olc.dk is a .dk domain served by 2 nameservers (damien.ns.cloudflare.com, raphaela.ns.cloudflare.com). It was registered on 29 April 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by d413a314.21.ik2.com, d413a314.22.ik2.io. 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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
damien.ns.cloudflare.com	108.162.195.168 162.159.44.168 172.64.35.168 2606:4700:58::a29f:2ca8 2803:f800:50::6ca2:c3a8 2a06:98c1:50::ac40:23a8	damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
raphaela.ns.cloudflare.com	108.162.194.192 162.159.38.192 172.64.34.192 2606:4700:50::a29f:26c0 2803:f800:50::6ca2:c2c0 2a06:98c1:50::ac40:22c0	raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.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#

2 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	d413a314.21.ik2.com	162.213.157.172 207.81.189.178 38.246.57.230 64.38.239.83	s236a.ik2.com s250a.ik2.com s602e.ik2.com s480d.ik2.com	AS54527 Astute Internet AS852 TELUS Communications Inc. AS395584 Data Management AS20454 SECURED SERVERS LLC
20	300s	d413a314.22.ik2.io	38.246.57.226 64.38.239.82	s602a.ik2.io s480c.ik2.io	AS395584 Data Management AS20454 SECURED SERVERS LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 299ms

TXT Record
v=spf1 ip4:144.91.73.106 a:mail.olc.dk include:spf.smtp2go.com ~all

✉️ SPF#

Policy	Record (olc.dk)
~all (soft fail)	v=spf1 ip4:144.91.73.106 a:mail.olc.dk include:spf.smtp2go.com ~all

📨 DMARC#

Policy	Record (_dmarc.olc.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; ri=86400; rua=mailto:abuse@olc.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 2026-10-16 10:32:27

www	5.189.169.133 (AS51167) (address records, no CNAME)
www vs bare domain	Only www resolves olc.dk: no address www.olc.dk: 5.189.169.133 (AS51167) (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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
default	—	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: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.olc.dk	A6B_Hx3zq7N5CBldKh9JvO0Ukbd-llftrXOXy0ANpCQ
TXT	_acme-challenge.olc.dk	bVowG_1GQyNlQ9ZeQBIbG0ykPVEsLbR6hyaTF1yP7Eo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9079ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415922852
Primary NS (MNAME)	damien.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 21:09:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-04-29
Expires	2027-07-31 (285d)

🔗 Same registrant#

4 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
døstrupif.dk	Punktum dk A/S (direct)
emapmusic.dk	Punktum dk A/S (direct)
horby-auto.dk	Punktum dk A/S (direct)
jepsen-vvs.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

61ms

65ms

46ms

AAAA

56ms

TXT

299ms

CAA

54ms

HTTPS

51ms

TLSA

378ms

SOA

0ms

MTA-STS

77ms

DNSSEC

9079ms

SRV

108ms

Total

10391ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 10:32:27	4030ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-03 09:52:04	4824ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-30 09:22:20	2535ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-27 08:57:20 shown	10391ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-26 23:58:49	4359ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-23 22:48:07	2766ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-20 03:40:38	1975ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-13 02:44:19	6253ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-06 22:38:09	2320ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-31 01:27:20	2462ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-25 09:24:38	2405ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-18 22:14:30	5211ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-10 04:00:26	4414ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-06 20:16:44	2490ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-17 14:28:49	12570ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-25 02:10:54	5777ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-19 20:47:54	702ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-18 03:50:29	1276ms	2 NS 0 A 2 MX	🔒 Secure