jbu.dk
Last scanned: 2026-08-13 14:30:26  ·  6090ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   96ms
NameserverIP addressesPTRASN / ISP
ns1.seo-linuxpl.com 94.152.254.111 ns1.cyberfolks.pl AS58321 Oxylion Sp. z o.o.
ns2.seo-linuxpl.com 94.152.255.111 ns2.cyberfolks.pl AS58321 Oxylion Sp. z o.o.
🌍 A Records2 records   115ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.78.67.24 14400s — AS41079 Cyber_Folks S.A. 195.78.66.0/23 🇵🇱 Poland —
195.78.67.51 14400s s173.cyber-folks.pl AS41079 Cyber_Folks S.A. 195.78.66.0/23 🇵🇱 Poland —
📧 MX Records1 records   129ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s mail.websol.seo-linuxpl.com 195.78.67.24
195.78.67.51		 —
s173.cyber-folks.pl		 AS41079 Cyber_Folks S.A.
AS41079 Cyber_Folks S.A.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   669ms
TXT Record
v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all
✉️ SPF
PolicyRecord (jbu.dk)
-all (hard fail) v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all
📨 DMARC
PolicyRecord (_dmarc.jbu.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none
📬 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)
🔐 DNSSEC1233ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA45ms
FieldValue
Serial2024121300
Primary NS (MNAME)ns1.seo-linuxpl.com
Responsible (RNAME)hostmaster@websol.seo-linuxpl.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
96ms
A
115ms
MX
129ms
AAAA
96ms
TXT
669ms
CAA
108ms
HTTPS
109ms
TLSA
424ms
SOA
45ms
MTA-STS
210ms
DNSSEC
1233ms
SRV
199ms
Total
6090ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-13 14:30:26 6090ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-26 19:11:52 1508ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-22 12:52:59 1091ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 06:41:57 5230ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-20 21:56:00 1116ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:55:59 8381ms 2 NS 2 A 1 MX 🔓 Insecure View
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