op.dk

📜 Historical scan 2026-07-16 17:22:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

op.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 25 June 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 7 more. 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#

5 records   85ms
NameserverIP addressesPTRASN / ISP
ns1.gigahost.dk 46.183.139.31 — AS47292 Sentia Denmark A/S
ns2.gigahost.dk 46.183.139.222 web22.gigahost.dk AS47292 Sentia Denmark A/S
ns3.gigahost.dk 71.19.249.71 ns3.gigahost.dk AS11831 eSecureData
ns4.gigahost.dk 51.79.215.130 ns4.gigahost.dk AS16276 OVH SAS
ns5.gigahost.dk 77.74.192.83 ns5.gigahost.dk AS42831 UK Dedicated Servers Limited

🌍 A Records#

1 records   79ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

9 records   98ms
PriorityTTLMail ServerIP addressesPTRASN
5 3600s aspmx.l.google.com 142.251.9.27
2a00:1450:4025:c01::1b		 rc-in-f27.1e100.net
rd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt1.aspmx.l.google.com 192.178.211.27
2404:6800:4000:1025::1b		 lcbomp-in-f27.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt2.aspmx.l.google.com 172.253.158.26
2404:6800:4003:c26::1a		 so-in-f26.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
15 3600s aspmx2.googlemail.com 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
15 3600s aspmx3.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
15 3600s aspmx4.googlemail.com 172.253.158.26
2404:6800:4003:c26::1a		 so-in-f26.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
15 3600s aspmx5.googlemail.com 108.177.125.27
2404:6800:400b:c01b::1a		 tp-in-f27.1e100.net
yunrtab-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
100 3600s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
100 3600s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverop.dk → 46.183.138.100
🔶 Autoconfigop.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   418ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-15 14:27:22
www CNAMEop.dk (all on op.dk)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.op.dk op.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

206ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026071601
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@op.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-15 14:52:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2003-06-25
Expires2027-06-30 (250d)

🔗 Same registrant#

221 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
10kroner.dkPunktum dk A/S (direct)
25.dkPunktum dk A/S (direct)
68.dkPunktum dk A/S (direct)
aalb.dkPunktum dk A/S (direct)
abe.dkPunktum dk A/S (direct)
aksel.dkPunktum dk A/S (direct)
american.dkPunktum dk A/S (direct)
amm.dkPunktum dk A/S (direct)
antikguiden.dkPunktum dk A/S (direct)
artic.dkPunktum dk A/S (direct)
asianteens.dkPunktum dk A/S (direct)
astrologen.dkPunktum dk A/S (direct)
automat.dkPunktum dk A/S (direct)
ay.dkPunktum dk A/S (direct)
bahamas.dkPunktum dk A/S (direct)
beads.dkPunktum dk A/S (direct)
beautiful.dkPunktum dk A/S (direct)
bedre.dkPunktum dk A/S (direct)
beethoven.dkPunktum dk A/S (direct)
benzinlighter.dkPunktum dk A/S (direct)
bestil.dkPunktum dk A/S (direct)
bestilling.dkPunktum dk A/S (direct)
bier.dkPunktum dk A/S (direct)
bikini.dkPunktum dk A/S (direct)
bjergbestigning.dkPunktum dk A/S (direct)
blacklist.dkPunktum dk A/S (direct)
blad.dkPunktum dk A/S (direct)
boern.dkPunktum dk A/S (direct)
boghandlere.dkPunktum dk A/S (direct)
bokse.dkPunktum dk A/S (direct)
bq.dkPunktum dk A/S (direct)
briketbussen.dkPunktum dk A/S (direct)
british.dkPunktum dk A/S (direct)
brutto.dkPunktum dk A/S (direct)
brændebussen.dkPunktum dk A/S (direct)
bur.dkPunktum dk A/S (direct)
busruter.dkPunktum dk A/S (direct)
buzzwords.dkPunktum dk A/S (direct)
byt.dkPunktum dk A/S (direct)
bøllehatte.dkPunktum dk A/S (direct)
cairo.dkPunktum dk A/S (direct)
cancel.dkPunktum dk A/S (direct)
central.dkPunktum dk A/S (direct)
cet.dkPunktum dk A/S (direct)
charts.dkPunktum dk A/S (direct)
chelsea.dkPunktum dk A/S (direct)
chok.dkPunktum dk A/S (direct)
chokpriser.dkPunktum dk A/S (direct)
cirkel.dkPunktum dk A/S (direct)
contract.dkPunktum dk A/S (direct)
copenhagenbynight.dkPunktum dk A/S (direct)
creme.dkPunktum dk A/S (direct)
danart.dkPunktum dk A/S (direct)
delica.dkPunktum dk A/S (direct)
dial.dkPunktum dk A/S (direct)
directmarketing.dkPunktum dk A/S (direct)
disk.dkPunktum dk A/S (direct)
diskette.dkPunktum dk A/S (direct)
ditudsalg.dkPunktum dk A/S (direct)
dk1.dkPunktum dk A/S (direct)
dollar.dkPunktum dk A/S (direct)
droemmesten.dkSimply.com A/S
dropship.dkPunktum dk A/S (direct)
drømmesten.dkSimply.com A/S
e-banken.dkPunktum dk A/S (direct)
ebanken.dkPunktum dk A/S (direct)
edbbutik.dkPunktum dk A/S (direct)
einstein.dkSimply.com A/S
ekspres.dkPunktum dk A/S (direct)
electronic.dkPunktum dk A/S (direct)
emailhotel.dkPunktum dk A/S (direct)
english.dkPunktum dk A/S (direct)
et.dkPunktum dk A/S (direct)
farvecenter.dkPunktum dk A/S (direct)
festkjoler.dkPunktum dk A/S (direct)
festsang.dkPunktum dk A/S (direct)
fidgetwood.dkSimply.com A/S
filmguiden.dkPunktum dk A/S (direct)
filmselskab.dkPunktum dk A/S (direct)
firmaet.dkPunktum dk A/S (direct)
flexsnegle.dkPunktum dk A/S (direct)
football.dkPunktum dk A/S (direct)
forsikringen.dkPunktum dk A/S (direct)
fremtiden.dkPunktum dk A/S (direct)
freud.dkPunktum dk A/S (direct)
friskole.dkPunktum dk A/S (direct)
frys.dkPunktum dk A/S (direct)
gevinst.dkPunktum dk A/S (direct)
godt.dkPunktum dk A/S (direct)
gravhund.dkPunktum dk A/S (direct)
greatesthits.dkPunktum dk A/S (direct)
gågader.dkPunktum dk A/S (direct)
herluf.dkPunktum dk A/S (direct)
hud.dkPunktum dk A/S (direct)
huggy-wuggy.dkSimply.com A/S
hum.dkPunktum dk A/S (direct)
humaniora.dkPunktum dk A/S (direct)
il.dkPunktum dk A/S (direct)
indbrud.dkPunktum dk A/S (direct)
install.dkPunktum dk A/S (direct)

Showing 100 of 221.

📋 WHOIS#

⏱️ Lookup Timing#

NS
85ms
A
79ms
MX
98ms
AAAA
78ms
TXT
606ms
CAA
100ms
HTTPS
59ms
TLSA
307ms
SOA
0ms
MTA-STS
68ms
DNSSEC
206ms
SRV
418ms
Total
1954ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 14:27:22 1241ms 5 NS 1 A 9 MX 🔓 Insecure
2026-10-08 02:01:38 4351ms 5 NS 1 A 9 MX 🔓 Insecure
2026-10-01 23:11:36 1465ms 5 NS 1 A 9 MX 🔓 Insecure
2026-09-27 22:09:02 888ms 5 NS 1 A 9 MX 🔓 Insecure
2026-09-24 22:19:04 2693ms 5 NS 1 A 9 MX 🔓 Insecure
2026-09-16 20:56:57 1158ms 5 NS 1 A 9 MX 🔓 Insecure
2026-09-05 15:08:21 3108ms 5 NS 1 A 9 MX 🔓 Insecure
2026-08-27 22:24:47 1241ms 5 NS 1 A 9 MX 🔓 Insecure
2026-08-20 05:39:03 2696ms 5 NS 1 A 9 MX 🔓 Insecure
2026-08-13 12:42:32 2681ms 5 NS 1 A 9 MX 🔓 Insecure
2026-08-06 15:50:13 1784ms 5 NS 1 A 9 MX 🔓 Insecure
2026-07-30 21:39:38 9509ms 5 NS 1 A 9 MX ❓ Unknown
2026-07-23 22:29:56 2007ms 5 NS 1 A 9 MX 🔓 Insecure
2026-07-16 17:22:37 shown 1954ms 5 NS 1 A 9 MX 🔓 Insecure
2026-07-10 08:34:53 10541ms 5 NS 1 A 9 MX 🔓 Insecure
2026-07-03 19:24:44 2683ms 5 NS 1 A 9 MX 🔓 Insecure
2026-06-26 10:00:11 1113ms 5 NS 1 A 9 MX 🔓 Insecure
2026-06-22 08:22:42 3427ms 5 NS 1 A 9 MX 🔓 Insecure
2026-06-17 23:22:49 925ms 5 NS 1 A 9 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone