post5.dk
Last scanned: 2026-08-24 16:25:12  ·  722ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   61ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
135.181.213.87 3600s jtw.dk AS24940 Hetzner Online GmbH 135.181.0.0/16 🇫🇮 Finland Helsinki
📧 MX Records1 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
15 3600s mail.jtw.dk 135.181.213.87 jtw.dk AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover135.181.213.87
🔶 Autoconfigmail.jtw.dk → 135.181.213.87
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   93ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 10 443 mail.jtw.dk
📝 TXT Records1 records   173ms
TXT Record
v=spf1 mx a include:spfbase.jtw.dk -all
✉️ SPF
PolicyRecord (post5.dk)
-all (hard fail) v=spf1 mx a include:spfbase.jtw.dk -all
📨 DMARC
PolicyRecord (_dmarc.post5.dk)
p=reject v=DMARC1; p=reject; pct=100
📬 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)
🔐 DNSSEC131ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082301
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
61ms
A
45ms
MX
51ms
AAAA
44ms
TXT
173ms
CAA
62ms
HTTPS
49ms
TLSA
183ms
SOA
0ms
MTA-STS
92ms
DNSSEC
131ms
SRV
93ms
Total
722ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 16:25:12 722ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 22:14:05 1051ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 05:05:15 701ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 21:54:06 742ms 3 NS 1 A 1 MX 🔓 Insecure View
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