matemundo.dk
📜 Historical scan 2026-06-17 13:23:18  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   57ms
NameserverIP addressesPTRASN / ISP
dns1.iai-system.com 5.149.162.237 dns1.iai-system.com AS31229 Beyond.pl sp. z o.o.
dns2.iai-system.com 5.149.163.173 dns2.iai-system.com AS31229 Beyond.pl sp. z o.o.
🌍 A Records1 records   127ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.149.162.22 — vm2126.iai-system.com AS31229 Beyond.pl sp. z o.o. 5.149.160.0/21 🇵🇱 Poland —
📧 MX Records3 records   127ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.zenbox.pl 46.245.193.99 mx.zenbox.pl AS31229 Beyond.pl sp. z o.o.
20 — mx2.zenbox.pl 46.245.193.11 lb1.zenbox.pl AS31229 Beyond.pl sp. z o.o.
30 — mx3.zenbox.pl 46.245.193.12 lb2.zenbox.pl AS31229 Beyond.pl sp. z o.o.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records5 records   324ms
TXT Record
64ec9b8ac35ca8f2e042cec2ea7def56d36891230efe555b697751bedd51488
786285ee31d949ad23d5603b59e9d44d638652716d0a7c1798856a38bb22db9
a57c5771e0e0c0813ee7fb1b0dfa3a214aa57b7d6a4b4d9b22a5fa8ee723ea0
c354a64871d367eaed834dfeb9c10f10218ddfe303c19d048c62f98fa0e511b
v=spf1 mx ip4:5.149.162.22/32 ip4:46.245.193.99/32 ip4:46.245.193.11/32 ip4:46.245.193.12/32 include:spf.iai-sa.com ip4:185.143.32.117/32 include:_spf.zenbox.pl -all
✉️ SPF
PolicyRecord (matemundo.dk)
-all (hard fail) v=spf1 mx ip4:5.149.162.22/32 ip4:46.245.193.99/32 ip4:46.245.193.11/32 ip4:46.245.193.12/32 include:spf.iai-sa.com ip4:185.143.32.117/32 include:_spf.zenbox.pl -all
📨 DMARC
PolicyRecord (_dmarc.matemundo.dk)
p=reject v=DMARC1;p=reject;pct=100;rua=mailto:dmarc@vercom.pl,mailto:postmaster@matemundo.dk
📬 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)
🔐 DNSSEC136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA125ms
FieldValue
Serial1775686994
Primary NS (MNAME)dns1.iai-system.com
Responsible (RNAME)admin@iai-system.com
Refresh21600s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
57ms
A
127ms
MX
127ms
AAAA
128ms
TXT
324ms
CAA
121ms
HTTPS
88ms
TLSA
207ms
SOA
125ms
MTA-STS
265ms
DNSSEC
136ms
SRV
0ms
Total
938ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 21:56:33 1496ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-08-27 10:02:51 1639ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-08-26 09:41:48 1370ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-07-02 11:33:45 10089ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-26 00:28:03 1813ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 13:23:18 938ms 2 NS 1 A 3 MX 🔓 Insecure View
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