doktorhammer.dk
Last scanned: 2026-09-01 11:24:15  ·  1675ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   127ms
NameserverIP addressesPTRASN / ISP
ns1.regzone.cz 217.198.113.10
2a00:19a0:3:71:0:d9c6:710a:1		 ns1.regzone.cz
ns1.regzone.cz		 AS34222 ZONER a.s.
AS34222 ZONER a.s.
ns1.regzone.de 23.92.29.43
2600:3c02::f03c:91ff:fedb:a6e7		 ns1.regzone.de
ns1.regzone.de		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
ns1.regzone.info 2001:1528:147::10
81.0.233.10		 ns1.regzone.info
ns1.regzone.info		 AS15685 CASABLANCA INT a.s.
AS15685 CASABLANCA INT a.s.
🌍 A Records
🌍
No A records found
📧 MX Records3 records   189ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s relay.zoner.com 217.198.120.100 relay.zoner.com AS34222 ZONER a.s.
10 3600s 10mx.zoner.com 217.198.120.36 10mx.zoner.com AS34222 ZONER a.s.
15 3600s 15mx.zoner.com 81.0.233.6 15mx.zoner.com AS15685 CASABLANCA INT a.s.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 Autoconfigautoconfig.zoner.com → 217.198.120.6
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   269ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 5 0 443 autodiscover.zoner.com
📝 TXT Records1 records   436ms
TXT Record
v=spf1 include:spf-zoner-zmail.zoner.com ~all
✉️ SPF
PolicyRecord (doktorhammer.dk)
~all (soft fail) v=spf1 include:spf-zoner-zmail.zoner.com ~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 / DANE9 records   216ms
Service / OwnerTypeCert association
SMTP _25._tcp.10mx.zoner.com DANE-EE · SPKI · SHA-256 A79E173CF63911361C0E67DDB7DB2976…
SMTP _25._tcp.10mx.zoner.com DANE-EE · SPKI · SHA-256 F96123C7DB7D78911B30B987C7532971…
SMTP _25._tcp.10mx.zoner.com DANE-EE · SPKI · SHA-256 23F07A1B7C42C6295E57980E7782EC91…
SMTP _25._tcp.15mx.zoner.com DANE-EE · SPKI · SHA-256 202DFEC5BE48540EBD00A576DD6F5B95…
SMTP _25._tcp.15mx.zoner.com DANE-EE · SPKI · SHA-256 63078E07543F2B4348AFD3B5618407DC…
SMTP _25._tcp.15mx.zoner.com DANE-EE · SPKI · SHA-256 F96123C7DB7D78911B30B987C7532971…
SMTP _25._tcp.relay.zoner.com DANE-EE · SPKI · SHA-256 0572C051FD7792B3218B9BD6EB1DEAEB…
SMTP _25._tcp.relay.zoner.com DANE-EE · SPKI · SHA-256 8BB6191E823587A7FB210B5E686BA5C1…
SMTP _25._tcp.relay.zoner.com DANE-EE · SPKI · SHA-256 F96123C7DB7D78911B30B987C7532971…
🔐 DNSSEC357ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026083102
Primary NS (MNAME)ns1.regzone.cz
Responsible (RNAME)administrator@czechia.cz
Refresh10800s
Retry1800s
Expire1814400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
127ms
A
202ms
MX
189ms
AAAA
87ms
TXT
436ms
CAA
116ms
HTTPS
111ms
TLSA
216ms
SOA
0ms
MTA-STS
191ms
DNSSEC
357ms
SRV
269ms
Total
1675ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 11:24:15 1675ms 3 NS 0 A 3 MX 🔓 Insecure View
2026-08-14 15:56:31 4888ms 3 NS 0 A 3 MX 🔓 Insecure View
2026-07-02 01:17:33 1550ms 3 NS 0 A 3 MX 🔓 Insecure View
2026-06-17 04:05:42 2920ms 3 NS 0 A 3 MX 🔓 Insecure View
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