usability-testing.org - dns.ninja
usability-testing.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1786321469 | ||||||
Subdomains
Same first word
usability-testing.org |
DNS History
7 records (7 active, 0 former)
●NSns1.websupport.sk2026-02-21 → 2026-08-10 · 2 obs
● 2026-08-10 00:57:42
●NSns2.websupport.sk2026-02-21 → 2026-08-10 · 2 obs
● 2026-08-10 00:57:42
●NSns3.websupport.sk2026-02-21 → 2026-08-10 · 2 obs
● 2026-08-10 00:57:42
●MXmailin1.usability-testing.org2026-02-21 → 2026-08-10 · 2 obs
● 2026-08-10 00:57:42
●MXmailin2.usability-testing.org2026-02-21 → 2026-08-10 · 2 obs
● 2026-08-10 00:57:42
●A2a00:4b40:aaaa:2004::52026-02-21 → 2026-08-10 · 2 obs
● 2026-08-10 00:57:42
●A37.9.175.1552026-02-21 → 2026-08-10 · 2 obs
● 2026-08-10 00:57:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| usability-testing.org | ns2.websupport.sk, ns1.websupport.sk | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns2.websupport.sk, ns1.websupport.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usability-testing.org (unsigned zone)
⏱️ Timing
Total: 280ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.155 |
| AAAA | 1 | 2a00:4b40:aaaa:2004::5 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mailin1.usability-testing.org (pri: 10), mailin2.usability-testing.org (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
Analysis
Hierarchy
The parent domain of mailin1.usability-testing.org and mailin2.usability-testing.org is usability-testing.org.
IP Addresses
usability-testing.org points to the IP addresses 37.9.175.155 and 2a00:4b40:aaaa:2004::5
Among the host names that share IP numbers with usability-testing.org are mailinbackup1.ymax.sk, dvbmonitor.com, www.pisem.sk and two others.
Name Servers
usability-testing.org is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
At least some of usability-testing.org's name servers are shared with other domains, for example printcom.sk, prefarmarov.sk, be-genuine.com and two more.
ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk each resolve to two IP addresses: ns1.websupport.sk resolves to 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.sk resolves to 185.71.159.12 and 2a02:250:3::12; ns3.websupport.sk resolves to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
The MX records for usability-testing.org point to two mail servers: mailin1.usability-testing.org and mailin2.usability-testing.org.
mailin1.usability-testing.org and mailin2.usability-testing.org each resolve to two IP addresses: mailin1.usability-testing.org points to 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:9, while mailin2.usability-testing.org points to 45.13.137.7 and 2a00:4b40:aaaa:2101:45:13:137:7.