zhangyu.dk
Last scanned: 2026-08-19 01:50:05  ·  13629ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   64ms
NameserverIP addressesPTRASN / ISP
ns1.dnshotel.dk 2a01:4f8:1c17:4999::2
88.99.120.238		 ns1.dnshotel.dk
ns1.dnshotel.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns2.dnshotel.dk 2a01:4f8:c0c:4051::2
94.130.170.39		 ns2.dnshotel.dk
ns2.dnshotel.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.83.125 3600s re03.azehosting.net AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany Falkenstein
📧 MX Records1 records   75ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.zhangyu.dk 49.12.83.125 re03.azehosting.net AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   339ms
TXT Record
v=spf1 ip4:49.12.83.125 include:spf.azehosting.net +a +mx include:spf.resellerhotel.dk ~all
✉️ SPF
PolicyRecord (zhangyu.dk)
~all (soft fail) v=spf1 ip4:49.12.83.125 include:spf.azehosting.net +a +mx include:spf.resellerhotel.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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.zhangyu.dk rgNJE4-BoSBy5_d502-iIDh-9GJ8nQCvdnjGUvOmmws
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9082ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA34ms
FieldValue
Serial2026080901
Primary NS (MNAME)ns1.dnshotel.dk
Responsible (RNAME)morten@poulsen.org
Refresh3600s
Retry1200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
64ms
A
62ms
MX
75ms
AAAA
51ms
TXT
339ms
CAA
60ms
HTTPS
72ms
TLSA
98ms
SOA
34ms
MTA-STS
90ms
DNSSEC
9082ms
SRV
88ms
Total
13629ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 01:50:05 13629ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-11 00:32:45 4905ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-27 04:03:56 4826ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-28 13:12:09 10810ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 08:49:55 8852ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 17:22:59 1459ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 20:12:26 1024ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 05:37:11 1880ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 00:46:36 4508ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:08:02 2256ms 2 NS 1 A 1 MX 🔓 Insecure View
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