jackienguyen.dk
Last scanned: 2026-08-23 08:21:42  ·  17748ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   62ms
NameserverIP addressesPTRASN / ISP
ns1.itmaster.net 162.55.22.237 web1.itmaster.net AS24940 Hetzner Online GmbH
ns2.itmaster.net 65.108.58.212 ns2.itmaster.net AS24940 Hetzner Online GmbH
🌍 A Records1 records   78ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.55.22.237 3600s web1.itmaster.net AS24940 Hetzner Online GmbH 162.55.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.itmaster.net 142.132.131.220
2a01:4f8:272:2809::5		 mail.itmaster.net
mail.itmaster.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   189ms
ServicePriorityWeightPortTarget
_imaps._tcp 0 5 143 mail.itmaster.net
📝 TXT Records1 records   402ms
TXT Record
v=spf1 +a +mx +a:spf.itmaster.net -all
✉️ SPF
PolicyRecord (jackienguyen.dk)
-all (hard fail) v=spf1 +a +mx +a:spf.itmaster.net -all
📨 DMARC
PolicyRecord (_dmarc.jackienguyen.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s; aspf=s
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.jackienguyen.dk lN27dC3S_WWFlA00O-64ck3eLElMAZeNcbnvTFwscsw
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC145ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA55ms
FieldValue
Serial2026071501
Primary NS (MNAME)ns1.itmaster.net
Responsible (RNAME)hostmaster@itmaster.net
Refresh3600s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
78ms
MX
69ms
AAAA
77ms
TXT
402ms
CAA
90ms
HTTPS
76ms
TLSA
145ms
SOA
55ms
MTA-STS
120ms
DNSSEC
145ms
SRV
189ms
Total
17748ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 08:21:42 17748ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-16 07:03:27 16928ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-02 21:53:01 2705ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 16:20:46 690ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 01:05:07 621ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 21:06:11 1141ms 2 NS 1 A 1 MX 🔓 Insecure View
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