guzzanti.dk
Last scanned: 2026-08-31 14:10:07  ·  5085ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   77ms
NameserverIP addressesPTRASN / ISP
ns.web4u.cz 185.14.224.241
2001:1568:fd::241		 ns.web4u.cz
ns.web4u.cz		 AS39790 Web4U s.r.o.
AS39790 Web4U s.r.o.
ns2.web4u.cz 2a02:a40:100:28ff::12
85.207.53.12		 ns2.web4u.cz
ns2.web4u.cz		 AS25248 RADIOKOMUNIKACE a.s.
AS25248 RADIOKOMUNIKACE a.s.
🌍 A Records1 records   2067ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.235.102.36 898s sce06.vas-server.cz AS39392 SH.cz s.r.o. 37.235.96.0/20 🇨🇿 Czechia Prague
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover37.235.102.36
🔶 Autoconfig37.235.102.36
🔷 AAAA Records (IPv6)1 records   82ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:28:ca:112::1:870 900s sce06.vas-server.cz AS39392 SH.cz s.r.o. 2a01:28:0:0:0:0:0:0/32 🇨🇿 Czechia —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC168ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2023092808
Primary NS (MNAME)ns.web4u.cz
Responsible (RNAME)admin@web4u.cz
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)14400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
77ms
A
2067ms
MX
129ms
AAAA
82ms
TXT
418ms
CAA
112ms
HTTPS
118ms
TLSA
1417ms
SOA
0ms
MTA-STS
138ms
DNSSEC
168ms
SRV
1246ms
Total
5085ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 14:10:07 5085ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-26 15:09:06 9867ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-24 17:25:24 2228ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-03 00:09:39 10742ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-25 17:29:31 1057ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-23 22:43:40 914ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 18:29:58 1392ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 10:07:33 1664ms 2 NS 1 A 0 MX 🔓 Insecure View
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