openit.dk

📜 Historical scan 2026-06-25 12:02:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

openit.dk is a .dk domain served by 2 nameservers (ns1.tdh-net.dk, ns2.tdh-net.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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#

2 records 162ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.tdh-net.dk	185.229.151.68	ns1.tdh-net.dk	AS204988 TDH-Net ApS
ns2.tdh-net.dk	185.229.151.76	ns2.tdh-net.dk	AS204988 TDH-Net ApS

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	86400s	aspmx.l.google.com	2a00:1450:400c:c07::1a 2a00:1450:400c:c07::1a 74.125.133.26	wo-in-f26.1e100.net wo-in-x1a.1e100.net wo-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	86400s	alt1.aspmx.l.google.com	172.253.152.27 2a00:1450:4013:c1e::1a	yulpptr-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	86400s	alt2.aspmx.l.google.com	142.251.127.26 2404:6800:4000:1025::1a	lcfrai-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	86400s	aspmx2.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	86400s	aspmx3.googlemail.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 854ms

TXT Record
v=spf1 include:_spf.google.com include:relay.tdh-net.dk include:relay2.tdh-net.dk -all

✉️ SPF#

Policy	Record (openit.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:relay.tdh-net.dk include:relay2.tdh-net.dk -all

📨 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 2026-10-20 15:00:43

www CNAME	ghs.google.com (all on google.com) → 142.251.14.121 2a00:1450:4001:c15::79 (AS15169)
www vs bare domain	Only www resolves openit.dk: no address www.openit.dk: 142.251.14.121 2a00:1450:4001:c15::79 (AS15169) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

659ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

282ms

Field	Value
Serial	2024042303
Primary NS (MNAME)	ns1.tdh-net.dk
Responsible (RNAME)	info@tdh-net.dk
Refresh	3600s
Retry	900s
Expire	604800s
Minimum (neg-cache TTL)	900s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

162ms

320ms

110ms

AAAA

374ms

TXT

854ms

CAA

313ms

HTTPS

282ms

TLSA

449ms

SOA

282ms

MTA-STS

344ms

DNSSEC

659ms

SRV

467ms

Total

3460ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-04 09:34:11	2718ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-25 12:02:18 shown	3460ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-18 04:34:07	848ms	2 NS 0 A 5 MX	🔓 Insecure