ostp.dk

📜 Historical scan 2026-09-30 19:10:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ostp.dk is a .dk domain served by 3 nameservers (ns1.coreit.se, ns2.coreit.se, ns3.coreit.se). It was registered on 7 July 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.11.198.178 is hosted by CoreIT AB (AS209041) in Sweden. The zone is not DNSSEC-signed, 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#

3 records 80ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.coreit.se	2a0d:26c0:3:50::18 85.11.198.175	ns1.coreit.se ns1.coreit.se	AS209041 CoreIT AB AS209041 CoreIT AB
ns2.coreit.se	20.73.51.17 2603:1020:201:e::170	ns2.coreit.se —	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.coreit.se	2a0d:26c0:3:1::10 81.21.224.20	— ns3.coreit.se	AS209041 CoreIT AB AS209041 CoreIT AB

🌍 A Records#

1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.11.198.178	14400s	corp-85-11-198-178.ovikenergi.net	AS209041	CoreIT AB	85.11.192.0/18	🇸🇪 Sweden	Sundsvall

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 500ms

TXT Record
COREID=OSTP
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ostp.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:a.0jiw1s5x@sdmarc.net; 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 2026-10-14 01:43:27

www CNAME	redirectit.azureit.se (all on azureit.se) → 85.11.198.178 (AS209041)
www vs bare domain	Same network ostp.dk: 85.11.198.178 (AS209041) www.ostp.dk: 85.11.198.178 (AS209041)
Wildcard	No

🔎 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#

56ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

103ms

Field	Value
Serial	2021070704
Primary NS (MNAME)	ns1.coreit.se
Responsible (RNAME)	registry@coreit.se
Refresh	21600s
Retry	10800s
Expire	1209600s
Minimum (neg-cache TTL)	14400s

📋 Registration#

WHOIS fetched 2026-10-12 19:03:35

Field	Value
Registrar	Abion AB
Registered	2021-07-07
Expires	2027-07-31 (283d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

80ms

71ms

52ms

AAAA

67ms

TXT

500ms

CAA

42ms

HTTPS

46ms

TLSA

243ms

SOA

103ms

MTA-STS

82ms

DNSSEC

56ms

SRV

88ms

Total

1145ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 01:43:27	7124ms	3 NS 1 A 0 MX	🔓 Insecure
2026-10-02 11:17:29	656ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-30 19:10:21 shown	1145ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 13:11:21	1327ms	3 NS 1 A 0 MX	🔓 Insecure