underio.dk
Last scanned: 2026-08-16 02:48:22  ·  6232ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   94ms
NameserverIP addressesPTRASN / ISP
ns1.nazwa.pl 77.55.125.10 ns1.nazwa.pl AS15967 Nazwa.pl Sp.z.o.o.
ns2.nazwa.pl 77.55.126.10 ns2.nazwa.pl AS15967 Nazwa.pl Sp.z.o.o.
ns3.nazwa.pl 77.55.127.10 ns3.nazwa.pl AS15967 Nazwa.pl Sp.z.o.o.
🌍 A Records1 records   20ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.128.128.104 3600s static-ajw104.rev.nazwa.pl AS15967 Nazwa.pl Sp.z.o.o. 85.128.128.0/17 🇵🇱 Poland —
📧 MX Records1 records   19ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s underio.dk 85.128.128.104 static-ajw104.rev.nazwa.pl AS15967 Nazwa.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 Records1 records   124ms
TXT Record
v=spf1 mx a ~all
✉️ SPF
PolicyRecord (underio.dk)
~all (soft fail) v=spf1 mx a ~all
📨 DMARC
PolicyRecord (_dmarc.underio.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 Records4 records   16ms
FlagsTagValue
0 issue certum.pl
0 issue letsencrypt.org
0 issuewild certum.pl
0 issuewild letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC198ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA19ms
FieldValue
Serial2008133200
Primary NS (MNAME)ns1.nazwa.pl
Responsible (RNAME)biuro@nazwa.pl
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
94ms
A
20ms
MX
19ms
AAAA
53ms
TXT
124ms
CAA
16ms
HTTPS
60ms
TLSA
315ms
SOA
19ms
MTA-STS
73ms
DNSSEC
198ms
SRV
0ms
Total
6232ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-16 02:48:22 6232ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 02:14:07 1684ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-23 00:15:53 1547ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-02 10:42:05 940ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 15:47:12 1658ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 03:07:07 1215ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 07:26:49 1498ms 0 NS 0 A 0 MX ❓ Unknown View
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