adaptic.dk
📜 Historical scan 2026-06-26 20:42:27  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   217ms
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   241ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.91.86.14 899s php7.web4u.cz AS39790 Web4U s.r.o. 81.91.80.0/20 🇨🇿 Czechia —
📧 MX Records2 records   368ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s mx1.mailchannels.net 54.187.177.89 ec2-54-187-177-89.us-west-2.compute.amazonaws.com AS16509 Amazon.com, Inc.
10 900s mx2.mailchannels.net 54.187.177.89 ec2-54-187-177-89.us-west-2.compute.amazonaws.com AS16509 Amazon.com, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover81.91.86.14
🔶 Autoconfig81.91.86.14
🔷 AAAA Records (IPv6)1 records   312ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:1568::14 899s php7.web4u.cz AS39790 Web4U s.r.o. 2001:1568:0:0:0:0:0:0/32 🇨🇿 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)
🔐 DNSSEC949ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA429ms
FieldValue
Serial2025050500
Primary NS (MNAME)ns.web4u.cz
Responsible (RNAME)admin@web4u.cz
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)14400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
217ms
A
241ms
MX
368ms
AAAA
312ms
TXT
1122ms
CAA
438ms
HTTPS
321ms
TLSA
2168ms
SOA
429ms
MTA-STS
318ms
DNSSEC
949ms
SRV
444ms
Total
8661ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:14:17 3104ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-26 20:42:27 8661ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-23 04:13:30 1015ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 23:56:48 1114ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 14:04:06 1188ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 13:18:05 778ms 2 NS 1 A 2 MX 🔓 Insecure View
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