ois.dk

📜 Historical scan 2026-09-12 19:00:55 · ← 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 95ms

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 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.44.139.191	5169s	netcompany.com	AS3292	TDC Holding A/S	5.44.136.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	30s	. 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 144ms

TXT Record
_globalsign-domain-verification=SHpH7OaCnsfslKS4o_xALEEnKITXRaAjFvTN8SQNY4
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 2026-10-16 12:43:59

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#

167ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026032398
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 (285d)

🔗 Same registrant#

100 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)
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)
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)
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)
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)
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)
ufstlab.dk	Punktum dk A/S (direct)
undgaaprischok.dk	Punktum dk A/S (direct)
undgåprischok.dk	Punktum dk A/S (direct)
vurderingportalen.dk	Punktum dk A/S (direct)
vurderings-portalen.dk	Punktum dk A/S (direct)
vurderingsanke.dk	Punktum dk A/S (direct)
vurderingsstyrelse.dk	Punktum dk A/S (direct)
vurderingstyrelsen.dk	Punktum dk A/S (direct)
vurdst.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

95ms

100ms

89ms

AAAA

85ms

TXT

144ms

CAA

92ms

HTTPS

90ms

TLSA

210ms

SOA

0ms

MTA-STS

111ms

DNSSEC

167ms

SRV

324ms

Total

888ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 12:43:59	1712ms	6 NS 1 A 1 MX	🔒 Secure
2026-10-15 11:33:43	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 shown	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
2026-08-13 04:57:50	3112ms	6 NS 1 A 1 MX	🔒 Secure