ois.dk DNS records

🖥️ Nameservers6 records 30ms

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 Records1 records 25ms

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 Records1 records 25ms

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 Records3 records 119ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC111ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

25ms

MX

25ms

AAAA

30ms

TXT

119ms

CAA

31ms

HTTPS

24ms

TLSA

1235ms

SOA

0ms

MTA-STS

60ms

DNSSEC

111ms

SRV

59ms

Total

2746ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 10:48:28	2746ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 23:10:25	4057ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 22:43:52	2400ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 16:44:17	3764ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 16:40:16	2764ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 00:03:07	2909ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 22:59:01	11961ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 16:21:42	3282ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 04:57:50	3112ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 11:34:39	2855ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 00:08:12	2592ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 01:10:41	11215ms	6 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 07:54:43	6796ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 07:37:12	698ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 07:09:49	1471ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 06:55:50	830ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 00:33:51	2072ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 23:47:02	10168ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 10:36:12	847ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 23:25:44	8552ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 08:52:37	803ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:32:10	1087ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 03:57:45	3300ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:27:41	2782ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:27:24	4015ms	6 NS 1 A 0 MX	🔒 Secure	View