proffglass.dk
Last scanned: 2026-08-25 13:33:53  ·  2213ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   49ms
NameserverIP addressesPTRASN / ISP
alfa.ns.active24.cz 2a02:4a8:ac24:100::96:2
81.95.96.2		 alfa.ns.active24.cz
alfa.ns.active24.cz		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
beta.ns.active24.cz 185.111.90.94
2a00:4b40:1000:590:185:111:90:94		 beta.ns.active24.cz
beta.ns.active24.cz		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
gama.ns.active24.sk 185.71.158.30
2a00:1968:0:1002:185:71:158:30		 gama.ns.active24.sk
gama.ns.active24.sk		 AS41528 Loopia AB
AS41528 Loopia AB
🌍 A Records1 records   99ms
IPTTLPTRASNISP / OrgCIDRCountryCity
31.15.10.110 3600s uvirt78.active24.cz AS25234 ACTIVE 24, s.r.o. 31.15.8.0/21 🇨🇿 Czechia —
📧 MX Records2 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.active24.com 2a02:4a8:ac24:101::97:102
2a02:4a8:ac24:101::97:111
2a02:4a8:ac24:101::97:116
2a02:4a8:ac24:101::97:4
81.95.97.102
81.95.97.111
81.95.97.116
81.95.97.4		 in.smtp.cz
in.smtp.cz
in.smtp.cz
in.smtp.cz
in.smtp.cz
in.smtp.cz
in.smtp.cz
in.smtp.cz		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
20 3600s mx2.active24.com 185.111.90.93
2a00:4b40:1000:590:185:111:90:93		 mx2.active24.com
mx2.active24.com		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
🔷 AAAA Records (IPv6)1 records   58ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:4a8:ac24:110::10:110 3600s uvirt78.active24.cz AS25234 ACTIVE 24, s.r.o. 2a02:4a8:8000:0:0:0:0:0/33 🇨🇿 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 / DANE2 records   621ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.active24.com DANE-EE · SPKI · SHA-256 74732B040E4EA1696E7D4BCF653C0493…
SMTP _25._tcp.mx2.active24.com DANE-EE · SPKI · SHA-256 74732B040E4EA1696E7D4BCF653C0493…
🔐 DNSSEC92ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2019040709
Primary NS (MNAME)alfa.ns.active24.cz
Responsible (RNAME)hostmaster@active24.cz
Refresh10800s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
49ms
A
99ms
MX
62ms
AAAA
58ms
TXT
359ms
CAA
87ms
HTTPS
63ms
TLSA
621ms
SOA
0ms
MTA-STS
83ms
DNSSEC
92ms
SRV
116ms
Total
2213ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 13:33:53 2213ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 13:05:33 4345ms 3 NS 1 A 2 MX 🔓 Insecure View
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