ois.dk

📜 Historical scan 2026-10-15 11:33:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ois.dk is a .dk domain served by 6 nameservers (df-ns01.skat.dk, df-ns02.skat.dk, df-ns03.skat.dk and 3 more). It was registered on 14 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.44.139.191 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. 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#

6 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
df-ns01.skat.dk	147.29.150.31	df-ns01.skat.dk	AS3292 TDC Holding A/S
df-ns02.skat.dk	147.29.151.254	df-ns02.skat.dk	AS3292 TDC Holding A/S
df-ns03.skat.dk	147.29.150.31	df-ns01.skat.dk	AS3292 TDC Holding A/S
df-ns04.skat.dk	147.29.151.254	df-ns02.skat.dk	AS3292 TDC Holding A/S
ns1-auth.csc.dk	147.29.236.25 2a01:5440:2:0:147:29:236:25	ns1-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S
ns2-auth.csc.dk	147.29.238.25 2a01:5440:2:2000:147:29:238:25	ns2-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.44.139.191	7200s	netcompany.com	AS3292	TDC Holding A/S	5.44.136.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 114ms

TXT Record
_globalsign-domain-verification=TExtNNAzlwFR5-AheO5hIuyjLRIIM4DKOrEfFdy12Z
SKAT
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ois.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com

📬 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 14:48:29

www	5.44.139.191 (AS3292) (address records, no CNAME)
www vs bare domain	Same network ois.dk: 5.44.139.191 (AS3292) www.ois.dk: 5.44.139.191 (AS3292)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026091422
Primary NS (MNAME)	df-ns01.skat.dk
Responsible (RNAME)	hostmaster@csc.dk
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-13 07:02:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-02-14
Expires	2027-07-31 (282d)

🔗 Same registrant#

108 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
administrationsogservicestyrelsen.dk	Punktum dk A/S (direct)
adst.dk	Punktum dk A/S (direct)
bankoregler.dk	Punktum dk A/S (direct)
bbr.dk	Punktum dk A/S (direct)
boligskat2024.dk	Punktum dk A/S (direct)
boligskat24.dk	Punktum dk A/S (direct)
bygningsogboligregistret.dk	Punktum dk A/S (direct)
ccta.dk	A/S SCANNET
dagsbevis.dk	Punktum dk A/S (direct)
danishgamblingauthority.dk	Punktum dk A/S (direct)
del-en-ting.dk	Punktum dk A/S (direct)
dinveteranbil.dk	Punktum dk A/S (direct)
e-skat.dk	Punktum dk A/S (direct)
eindkomst.dk	Punktum dk A/S (direct)
ejendomsinformation.dk	Punktum dk A/S (direct)
ejendomsvurderingsportal.dk	Punktum dk A/S (direct)
ejendomsvurderingsportalen.dk	Punktum dk A/S (direct)
fds.dk	Punktum dk A/S (direct)
fordringshaverportal.dk	Punktum dk A/S (direct)
forskud.dk	Punktum dk A/S (direct)
gaeldsstyrelsen.dk	Punktum dk A/S (direct)
gaeldst.dk	Punktum dk A/S (direct)
gaeldstyrelsen.dk	Punktum dk A/S (direct)
geokoderen.dk	Punktum dk A/S (direct)
gældsstyrelsen.dk	Punktum dk A/S (direct)
gældst.dk	Punktum dk A/S (direct)
icesys.dk	Punktum dk A/S (direct)
inddr.dk	Punktum dk A/S (direct)
it-stat.dk	Punktum dk A/S (direct)
itstat.dk	Punktum dk A/S (direct)
itti.dk	Punktum dk A/S (direct)
letloen.dk	Punktum dk A/S (direct)
letlon.dk	Punktum dk A/S (direct)
letlontest.dk	Punktum dk A/S (direct)
letløn.dk	Punktum dk A/S (direct)
lotteriregler.dk	Punktum dk A/S (direct)
ludomanilinjen.dk	Punktum dk A/S (direct)
min-skat.dk	Punktum dk A/S (direct)
minfoerstebil.dk	Punktum dk A/S (direct)
mitgaeldsoverblik.dk	Punktum dk A/S (direct)
mitgældsoverblik.dk	Punktum dk A/S (direct)
motorst.dk	Punktum dk A/S (direct)
motorstyrelsen.dk	Punktum dk A/S (direct)
nem-skat.dk	Punktum dk A/S (direct)
nummerplader.dk	Punktum dk A/S (direct)
rejseregler.dk	Punktum dk A/S (direct)
ret-bbr.dk	Punktum dk A/S (direct)
retbbr.dk	Punktum dk A/S (direct)
retvisende-ejendomsvurdering.dk	Punktum dk A/S (direct)
retvisende-ejendomsvurderinger.dk	Punktum dk A/S (direct)
retvisendeejendomsvurdering.dk	Punktum dk A/S (direct)
retvisendeejendomsvurderinger.dk	Punktum dk A/S (direct)
skaat.dk	Punktum dk A/S (direct)
skat.dk	Punktum dk A/S (direct)
skatt.dk	Punktum dk A/S (direct)
skatte-ogvaekstministeriet.dk	Punktum dk A/S (direct)
skatte-ogvækstministeriet.dk	Punktum dk A/S (direct)
skatteforvaltningen.dk	Punktum dk A/S (direct)
skatteministeriet.dk	Punktum dk A/S (direct)
skatteogvaekstministeriet.dk	Punktum dk A/S (direct)
skatteogvækstministeriet.dk	Punktum dk A/S (direct)
skatterådet.dk	Punktum dk A/S (direct)
skattestyrelsen.dk	Punktum dk A/S (direct)
skattevaesnet.dk	Punktum dk A/S (direct)
skattevæsnet.dk	Punktum dk A/S (direct)
skm.dk	Punktum dk A/S (direct)
sktst.dk	Punktum dk A/S (direct)
skvm.dk	Punktum dk A/S (direct)
spillemyndigheden.dk	Punktum dk A/S (direct)
spillemyndighederne.dk	Punktum dk A/S (direct)
spillestyrelsen.dk	Punktum dk A/S (direct)
spilletilsynet.dk	Punktum dk A/S (direct)
splitstruktur.dk	Punktum dk A/S (direct)
statens-inkasso.dk	Punktum dk A/S (direct)
stopspillet.dk	Punktum dk A/S (direct)
struktursplit.dk	Punktum dk A/S (direct)
styrpaaspillet.dk	Punktum dk A/S (direct)
styrpaspillet.dk	Punktum dk A/S (direct)
svmin.dk	Punktum dk A/S (direct)
svministeriet.dk	Punktum dk A/S (direct)
svmn.dk	Punktum dk A/S (direct)
tastselvskat.dk	Punktum dk A/S (direct)
tjektolden.dk	Punktum dk A/S (direct)
toldogskat.dk	Punktum dk A/S (direct)
toldportal.dk	Punktum dk A/S (direct)
toldportalen.dk	Punktum dk A/S (direct)
toldskat.dk	Punktum dk A/S (direct)
toldst.dk	Punktum dk A/S (direct)
toldstyrelsen.dk	Punktum dk A/S (direct)
toldsystem.dk	Punktum dk A/S (direct)
toldsystemet.dk	Punktum dk A/S (direct)
toolchain.dk	Punktum dk A/S (direct)
tredjenummerplade.dk	Punktum dk A/S (direct)
tsroot.dk	Punktum dk A/S (direct)
udviklingsogforenklingsstyrelsen.dk	Punktum dk A/S (direct)
ufst.dk	Punktum dk A/S (direct)
ufstcluster.dk	Punktum dk A/S (direct)
ufstlab.dk	Punktum dk A/S (direct)
undgaaprischok.dk	Punktum dk A/S (direct)
undgåprischok.dk	Punktum dk A/S (direct)

Showing 100 of 108.

📋 WHOIS#

⏱️ Lookup Timing#

38ms

37ms

42ms

AAAA

36ms

TXT

114ms

CAA

34ms

HTTPS

25ms

TLSA

1629ms

SOA

48ms

MTA-STS

45ms

DNSSEC

107ms

SRV

42ms

Total

2639ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 14:48:29	758ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-16 12:43:59	1712ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-15 11:33:43 shown	2639ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-14 10:18:45	671ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-13 06:43:27	4206ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-12 05:07:13	4387ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-11 04:19:19	782ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-09 01:49:59	1072ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-07 01:42:25	1462ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-05 22:15:55	1495ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-30 21:46:43	583ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-26 22:28:48	499ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-23 21:19:15	1657ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-19 15:58:45	559ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-12 19:00:55	888ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-05 15:02:46	2836ms	6 NS 1 A 1 MX	🔒 Secure
2026-09-03 21:12:28	1936ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-26 10:48:28	2746ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-24 23:10:25	4057ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-23 22:43:52	2400ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-19 16:44:17	3764ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-18 16:40:16	2764ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-17 00:03:07	2909ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-15 22:59:01	11961ms	6 NS 1 A 1 MX	🔒 Secure
2026-08-14 16:21:42	3282ms	6 NS 1 A 1 MX	🔒 Secure