doubletrue.dk
Last scanned: 2026-09-01 12:28:15  ·  504ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
NameserverIP addressesPTRASN / ISP
ns01.hostnet.nl 195.206.121.13
2001:67c:28cc::13		 ns1.hostnet.nl
ns1.hostnet.nl		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.hostnet.nl 185.10.11.13
2001:67c:3c0::13		 ns2.hostnet.nl
ns2.hostnet.nl		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.184.0.111 14400s n07.fwd.prod.hostnet.nl AS51468 One.com A/S 91.184.0.0/19 🇩🇰 Denmark Copenhagen
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover91.184.0.200
🔶 Autoconfig91.184.0.200
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   187ms
TXT Record
v=spf1 include:_spf.hostnet.nl -all
✉️ SPF
PolicyRecord (doubletrue.dk)
-all (hard fail) v=spf1 include:_spf.hostnet.nl -all
📨 DMARC
PolicyRecord (_dmarc.doubletrue.dk)
p=reject v=DMARC1; p=reject
📬 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)
🔐 DNSSEC88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026071101
Primary NS (MNAME)ns01.hostnet.nl
Responsible (RNAME)hostmaster@hostnet.nl
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
35ms
MX
47ms
AAAA
47ms
TXT
187ms
CAA
44ms
HTTPS
64ms
TLSA
46ms
SOA
0ms
MTA-STS
77ms
DNSSEC
88ms
SRV
100ms
Total
504ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 12:28:15 504ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-27 10:17:00 522ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-18 03:44:32 8652ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-11 21:24:06 556ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-03 06:05:27 729ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-25 22:58:39 508ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-19 18:00:17 2624ms 2 NS 1 A 0 MX ⚠️ Bogus View
2026-06-18 20:08:22 572ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 04:25:49 378ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 04:20:46 460ms 2 NS 1 A 0 MX 🔓 Insecure View
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