oc.dk

📜 Historical scan 2026-10-04 16:25:00  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oc.dk is a .dk domain served by 2 nameservers (dan.ns.cloudflare.com, mary.ns.cloudflare.com). It was registered on 24 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.6.24 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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   29ms
NameserverIP addressesPTRASN / ISP
dan.ns.cloudflare.com 108.162.193.108
172.64.33.108
173.245.59.108
2606:4700:58::adf5:3b6c
2803:f800:50::6ca2:c16c
2a06:98c1:50::ac40:216c		 dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
mary.ns.cloudflare.com 108.162.192.134
172.64.32.134
173.245.58.134
2606:4700:50::adf5:3a86
2803:f800:50::6ca2:c086
2a06:98c1:50::ac40:2086		 mary.ns.cloudflare.com
mary.ns.cloudflare.com
mary.ns.cloudflare.com
mary.ns.cloudflare.com
mary.ns.cloudflare.com
mary.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

3 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.26.6.24 300s — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
104.26.7.24 300s — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
172.67.73.229 300s — AS13335 Cloudflare, Inc. 172.67.64.0/18 — —

📧 MX Records#

7 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s aspmx.l.google.com 108.177.14.26
2a00:1450:4010:c03::1a
2a00:1450:4010:c03::1a		 lt-in-f26.1e100.net
lr-in-x1a.1e100.net
lr-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
20 300s alt1.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 300s alt2.aspmx.l.google.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx2.googlemail.com 192.178.158.27
2404:6800:4013:813::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx3.googlemail.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1a		 yukulwh-in-f27.1e100.net
mad01s14-in-f27.1e100.net
yukulwh-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx4.googlemail.com 172.253.158.27
2404:6800:4003:c26::1a		 so-in-f27.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx5.googlemail.com 108.177.125.27
2404:6800:4008:c01::1b		 tp-in-f27.1e100.net
tp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

3 records   39ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:20::681a:618 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —
2606:4700:20::681a:718 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —
2606:4700:20::ac43:49e5 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —

🔐 HTTPS Records#

1 records   45ms
PriorityTargetSvcParams
1 service . alpn="h2" ipv4hint=104.26.6.24,104.26.7.24,172.67.73.229 ipv6hint=2606:4700:20::681a:618,2606:4700:20::681a:718,2606:4700:20::ac43:49e5

📝 TXT Records#

3 records   186ms
TXT Record
google-site-verification=9Qa4GBKC8MePAdSIPH9iddjusSchFWZV58QzmBQM53s
google-site-verification=vQU4KG134MZ58uTlfKyNuAQXfXRjKH5bRWKDtYacU8U
v=spf1 ip4:77.66.39.128/25 ip4:83.221.143.224/27 include:_spf.google.com -all

✉️ SPF#

PolicyRecord (oc.dk)
-all (hard fail) v=spf1 ip4:77.66.39.128/25 ip4:83.221.143.224/27 include:_spf.google.com -all

📨 DMARC#

PolicyRecord (_dmarc.oc.dk)
p=reject v=DMARC1; pct=100; ruf=mailto:abuse@onlinecity.dk; p=reject; adkim=r; aspf=r

📬 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 2026-10-19 12:46:54
www104.26.6.24 104.26.7.24 172.67.73.229 2606:4700:20::681a:618 2606:4700:20::681a:718 2606:4700:20::ac43:49e5 (AS13335) (address records, no CNAME)
www vs bare domainSame network
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
google — 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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.oc.dk FdvJin-bPR0Cio7B9cRwQZOZChrFCy--ZLMgHdVPLV0
TXT _acme-challenge.oc.dk K68_W0sKIbwfrlIgTFyl8U2nBneVAn01G_LXnL-y6dU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

28ms
FieldValue
Serial2416606619
Primary NS (MNAME)dan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 15:10:18
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2010-02-24
Expires2027-02-28 (130d)

🔗 Same registrant#

53 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
1204.dkPunktum dk A/S (direct)
1290.dkPunktum dk A/S (direct)
2dstregkoder.dkPunktum dk A/S (direct)
anoa.dkPunktum dk A/S (direct)
appsmobile.dkPunktum dk A/S (direct)
appspot.dkPunktum dk A/S (direct)
apptomobile.dkPunktum dk A/S (direct)
appyourmobile.dkPunktum dk A/S (direct)
business2businessapp.dkPunktum dk A/S (direct)
city-online.dkPunktum dk A/S (direct)
computer-brille.dkPunktum dk A/S (direct)
gatewaycenter.dkPunktum dk A/S (direct)
glasswareapps.dkPunktum dk A/S (direct)
godsetweb.dkPunktum dk A/S (direct)
hoffe.dkPunktum dk A/S (direct)
leje-kontor.dkPunktum dk A/S (direct)
lejekontor.dkPunktum dk A/S (direct)
mmscenter.dkPunktum dk A/S (direct)
mob-tv.dkPunktum dk A/S (direct)
mobapp.dkPunktum dk A/S (direct)
mobil-game.dkPunktum dk A/S (direct)
mobil-marketing.dkPunktum dk A/S (direct)
mobile-codes.dkPunktum dk A/S (direct)
mobileapp.dkPunktum dk A/S (direct)
mobileapps.dkPunktum dk A/S (direct)
mobilecase.dkPunktum dk A/S (direct)
mobilecases.dkPunktum dk A/S (direct)
mobilecodes.dkPunktum dk A/S (direct)
mobileticket.dkPunktum dk A/S (direct)
mobilgame.dkPunktum dk A/S (direct)
mobtec.dkPunktum dk A/S (direct)
mpapiconverter.dkPunktum dk A/S (direct)
mybase.dkPunktum dk A/S (direct)
nbeta.dkPunktum dk A/S (direct)
nexcon.dkGANDI SAS
ocmg.dkPunktum dk A/S (direct)
ocpaste.dkPunktum dk A/S (direct)
ocweb.dkPunktum dk A/S (direct)
ocx.dkPunktum dk A/S (direct)
onlinecity.dkPunktum dk A/S (direct)
portala.dkPunktum dk A/S (direct)
qr-codes.dkPunktum dk A/S (direct)
qr-kode.dkPunktum dk A/S (direct)
qrcodes.dkPunktum dk A/S (direct)
rcsbesked.dkPunktum dk A/S (direct)
rcsmessaging.dkPunktum dk A/S (direct)
relationciti.dkPunktum dk A/S (direct)
relationcity.dkPunktum dk A/S (direct)
smartwatchapp.dkPunktum dk A/S (direct)
smartwatchapps.dkPunktum dk A/S (direct)
smscenter.dkPunktum dk A/S (direct)
studiehjem.dkPunktum dk A/S (direct)
telescan.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
29ms
A
47ms
MX
47ms
AAAA
39ms
TXT
186ms
CAA
41ms
HTTPS
45ms
TLSA
119ms
SOA
28ms
MTA-STS
55ms
DNSSEC
56ms
SRV
72ms
Total
799ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 12:46:54 4415ms 2 NS 3 A 7 MX 🔒 Secure
2026-10-15 07:49:09 1029ms 2 NS 3 A 7 MX 🔒 Secure
2026-10-09 23:25:21 679ms 2 NS 3 A 7 MX 🔒 Secure
2026-10-05 16:50:26 2208ms 2 NS 3 A 7 MX 🔒 Secure
2026-10-04 16:25:00 shown 799ms 2 NS 3 A 7 MX 🔒 Secure
2026-10-02 16:16:00 720ms 2 NS 3 A 7 MX 🔒 Secure
2026-09-23 14:29:45 1026ms 2 NS 3 A 7 MX 🔒 Secure
2026-09-18 17:48:19 1055ms 2 NS 3 A 7 MX 🔒 Secure
2026-09-08 01:16:06 1133ms 2 NS 3 A 7 MX 🔒 Secure
2026-08-27 21:17:21 956ms 2 NS 3 A 7 MX 🔒 Secure
2026-08-20 22:39:32 11879ms 2 NS 3 A 7 MX 🔒 Secure
2026-08-13 16:46:32 7924ms 2 NS 3 A 7 MX 🔒 Secure
2026-08-04 04:29:17 1985ms 2 NS 3 A 7 MX 🔒 Secure
2026-07-16 04:06:53 3832ms 2 NS 3 A 7 MX 🔒 Secure
2026-07-04 23:44:05 2660ms 2 NS 3 A 7 MX 🔒 Secure
2026-07-03 19:51:46 1461ms 2 NS 3 A 7 MX 🔒 Secure
2026-07-01 22:40:51 1184ms 2 NS 3 A 7 MX 🔒 Secure
2026-06-25 01:56:48 1001ms 2 NS 3 A 7 MX 🔒 Secure
2026-06-17 12:02:15 1261ms 2 NS 3 A 7 MX 🔒 Secure
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