openit.dk
Last scanned: 2026-06-25 12:02:18  ·  3460ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   162ms
NameserverIP addressesPTRASN / 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 Records5 records   110ms
PriorityTTLMail ServerIP addressesPTRASN
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 Records1 records   854ms
TXT Record
v=spf1 include:_spf.google.com include:relay.tdh-net.dk include:relay2.tdh-net.dk -all
✉️ SPF
PolicyRecord (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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC659ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA282ms
FieldValue
Serial2024042303
Primary NS (MNAME)ns1.tdh-net.dk
Responsible (RNAME)info@tdh-net.dk
Refresh3600s
Retry900s
Expire604800s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
162ms
A
320ms
MX
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 AtDurationRecordsDNSSEC
2026-06-25 12:02:18 3460ms 2 NS 0 A 5 MX 🔓 Insecure View
2026-06-18 04:34:07 848ms 2 NS 0 A 5 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone