olc.dk

📜 Historical scan 2026-08-06 20:16:44  ·  ← 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   68ms

🌍 A Records#

🌍
No A records found

📧 MX Records#

2 records   36ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   318ms
TXT Record
v=spf1 ip4:144.91.73.106 a:mail.olc.dk include:spf.smtp2go.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www5.189.169.133 (AS51167) (address records, no CNAME)
www vs bare domainOnly www resolves
olc.dk: no address
www.olc.dk: 5.189.169.133 (AS51167)
(all like this)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

99ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2411433806
Primary NS (MNAME)damien.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 21:09:43
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2006-04-29
Expires2027-07-31 (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).

DomainRegistrar
døstrupif.dkPunktum dk A/S (direct)
emapmusic.dkPunktum dk A/S (direct)
horby-auto.dkPunktum dk A/S (direct)
jepsen-vvs.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
68ms
A
54ms
MX
36ms
AAAA
66ms
TXT
318ms
CAA
59ms
HTTPS
41ms
TLSA
570ms
SOA
0ms
MTA-STS
76ms
DNSSEC
99ms
SRV
101ms
Total
2490ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
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