ultrafilter.dk
Last scanned: 2026-08-26 20:50:41  ·  3104ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   82ms
NameserverIP addressesPTRASN / ISP
filterdns.donaldson.com 162.107.225.11 — AS14230 ARK Data Centers LLC
pdns1.cscdns.net 156.154.130.100
2610:a1:1022::100		 ns3.netnames.net
ns3.netnames.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
pdns2.cscdns.net 156.154.131.100
2610:a1:1023::100		 ns4.netnames.net
pdns2.cscdns.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC148ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2014050509
Primary NS (MNAME)pdns1.cscdns.net
Responsible (RNAME)domainmgmt@mail.donaldson.com
Refresh28800s
Retry14400s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
82ms
A
75ms
MX
75ms
AAAA
58ms
TXT
439ms
CAA
50ms
HTTPS
92ms
TLSA
70ms
SOA
0ms
MTA-STS
133ms
DNSSEC
148ms
SRV
181ms
Total
3104ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 20:50:41 3104ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-08-20 19:25:58 7149ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-08-19 15:32:25 4673ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-08-17 00:52:53 3226ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-08-15 07:58:34 9541ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-08-06 07:00:13 3481ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-08-02 13:05:08 1153ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-26 15:35:31 2386ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-22 17:01:22 1051ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 02:46:26 773ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 08:06:05 1193ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 04:36:08 1169ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 03:01:53 3422ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-17 13:23:56 2244ms 3 NS 0 A 0 MX 🔓 Insecure View
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