usertesting.org - dns.ninja
usertesting.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-681.awsdns-21.net ⭐ | ||||||
| A | 2600:9000:5302:a900::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-681.awsdns-21.net | ||||||
| A | 205.251.194.169🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-681.awsdns-21.net | ||||||
| NS | ns-1433.awsdns-51.org | ||||||
| A | 2600:9000:5305:9900::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1433.awsdns-51.org | ||||||
| A | 205.251.197.153🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1433.awsdns-51.org | ||||||
| NS | ns-145.awsdns-18.com | ||||||
| A | 2600:9000:5300:9100::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-145.awsdns-18.com | ||||||
| A | 205.251.192.145🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-145.awsdns-18.com | ||||||
| NS | ns-1704.awsdns-21.co.uk | ||||||
| A | 2600:9000:5306:a800::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1704.awsdns-21.co.uk | ||||||
| A | 205.251.198.168🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1704.awsdns-21.co.uk | ||||||
| SOA | ns-681.awsdns-21.netawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1780944392 | ||||||
Same first word
Similar names
geisterstun.de |
tigersunset.com |
testinguser.com |
urgentsites.com |
sigurentest.com |
tunetigress.com |
urgentistes.com |
DNS History
9 records (4 active, 5 former)
●NSns-1433.awsdns-51.org2026-03-23 → 2026-06-08 · 3 obs
● 2026-03-23 20:56:08
● 2026-06-08 19:17:44
●NSns-145.awsdns-18.com2026-03-23 → 2026-06-08 · 3 obs
● 2026-03-23 20:56:08
● 2026-06-08 19:17:44
●NSns-1704.awsdns-21.co.uk2026-03-23 → 2026-06-08 · 3 obs
● 2026-03-23 20:56:08
● 2026-06-08 19:17:44
●NSns-681.awsdns-21.net2026-03-23 → 2026-06-08 · 3 obs
● 2026-03-23 20:56:08
● 2026-06-08 19:17:44
○NSns41.domaincontrol.com2015-08-12 → 2017-08-31 · 4 obs
● 2017-08-31 01:10:08
○ 2026-03-23 20:56:08
○ 2026-06-08 19:17:44
○NSns42.domaincontrol.com2015-08-12 → 2017-08-31 · 4 obs
● 2017-08-31 01:10:08
○ 2026-03-23 20:56:08
○ 2026-06-08 19:17:44
○MXmailstore1.secureserver.net2015-08-12 → 2017-08-31 · 4 obs
● 2017-08-31 01:10:08
○ 2026-03-23 20:56:08
○ 2026-06-08 19:17:44
○MXsmtp.secureserver.net2015-08-12 → 2017-08-31 · 4 obs
● 2017-08-31 01:10:08
○ 2026-03-23 20:56:08
○ 2026-06-08 19:17:44
○A184.168.221.642015-08-12 → 2017-08-31 · 4 obs
● 2017-08-31 01:10:08
○ 2026-03-23 20:56:08
○ 2026-06-08 19:17:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| usertesting.org | ns-145.awsdns-18.com, ns-681.awsdns-21.net, ns-1433.awsdns-51.org, ns-1704.awsdns-21.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.198.168
NS records: ns-145.awsdns-18.com, ns-681.awsdns-21.net, ns-1433.awsdns-51.org, ns-1704.awsdns-21.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usertesting.org (unsigned zone)
⏱️ Timing
Total: 308ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1433.awsdns-51.org, ns-145.awsdns-18.com... |
| SOA | 1 | ns-681.awsdns-21.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-1433.awsdns-51.org, ns-1433.awsdns-51.org)
Analysis
Name Servers
Authority for usertesting.org is delegated across 4 name servers: ns-145.awsdns-18.com, ns-681.awsdns-21.net, ns-1433.awsdns-51.org and ns-1704.awsdns-21.co.uk.
usertesting.org partially shares its NS delegation with several other domains, including sigcorp.info, do-it-well.co.uk, ssssoindia.org and two others.
These name servers regularly co-occur with the name servers ns-1000.awsdns-61.net, ns-509.awsdns-63.com and ns-1290.awsdns-33.org.
ns-145.awsdns-18.com, ns-681.awsdns-21.net, ns-1433.awsdns-51.org and ns-1704.awsdns-21.co.uk each carry two IP addresses. ns-145.awsdns-18.com has 205.251.192.145 and 2600:9000:5300:9100::1; ns-681.awsdns-21.net has 205.251.194.169 and 2600:9000:5302:a900::1; ns-1433.awsdns-51.org has 205.251.197.153 and 2600:9000:5305:9900::1; ns-1704.awsdns-21.co.uk has 205.251.198.168 and 2600:9000:5306:a800::1.