original-spa.dk
Last scanned: 2026-08-25 15:49:30  ·  9792ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   46ms
NameserverIP addressesPTRASN / ISP
ns1.websupport.cz 2a10:bbc0::11
45.10.97.11		 ns1.websupport.eu
ns1.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns2.websupport.cz 185.71.159.12
2a02:250:3::12		 ns2.websupport.eu
ns2.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns3.websupport.eu 2a10:bbc0::13
45.10.97.13		 ns3.websupport.eu
ns3.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
🌍 A Records1 records   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.9.175.212 600s ing.r4.websupport.cz AS51013 WebSupport s.r.o. 37.9.168.0/21 🇸🇰 Slovakia —
📧 MX Records2 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
10 599s mx10.active24.cz 2a00:4b40:aaaa:2101:45:13:137:85
45.13.137.85		 —
mx10.active24.cz		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
100 599s mx20.active24.cz 2a00:4b40:aaaa:2101:45:13:137:86
45.13.137.86		 —
mx20.active24.cz		 AS51013 WebSupport s.r.o.
AS51013 WebSupport s.r.o.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverweb.prod.bts.websupport.sk → 37.9.169.171
🔶 Autoconfigweb.prod.bts.websupport.sk → 37.9.169.172
🔷 AAAA Records (IPv6)1 records   44ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:4b40:aaaa:2011::6 600s — AS51013 WebSupport s.r.o. 2a00:4b40:0:0:0:0:0:0/32 🇸🇰 Slovakia —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   109ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 web.prod.bts.websupport.sk
📝 TXT Records1 records   345ms
TXT Record
v=spf1 a mx include:_spf.websupport.cz -all
✉️ SPF
PolicyRecord (original-spa.dk)
-all (hard fail) v=spf1 a mx include:_spf.websupport.cz -all
📨 DMARC
PolicyRecord (_dmarc.original-spa.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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)
🔐 DNSSEC9118ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1767127807
Primary NS (MNAME)ns1.websupport.cz
Responsible (RNAME)admin@websupport.cz
Refresh7200s
Retry2048s
Expire1048576s
Minimum (neg-cache TTL)2560s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
71ms
MX
64ms
AAAA
44ms
TXT
345ms
CAA
42ms
HTTPS
66ms
TLSA
116ms
SOA
0ms
MTA-STS
95ms
DNSSEC
9118ms
SRV
109ms
Total
9792ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 15:49:30 9792ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-28 10:18:58 1141ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 22:40:47 9661ms 3 NS 1 A 2 MX 🔓 Insecure View
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