workbrain.us - dns.ninja
workbrain.us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-869.awsdns-44.net ⭐ | ||||||
| A | 2600:9000:5303:6500::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-869.awsdns-44.net | ||||||
| A | 205.251.195.101🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-869.awsdns-44.net | ||||||
| NS | ns-1496.awsdns-59.org | ||||||
| A | 2600:9000:5305:d800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1496.awsdns-59.org | ||||||
| A | 205.251.197.216🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1496.awsdns-59.org | ||||||
| NS | ns-1892.awsdns-44.co.uk | ||||||
| A | 2600:9000:5307:6400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1892.awsdns-44.co.uk | ||||||
| A | 205.251.199.100🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1892.awsdns-44.co.uk | ||||||
| NS | ns-80.awsdns-10.com | ||||||
| A | 2600:9000:5300:5000::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-80.awsdns-10.com | ||||||
| A | 205.251.192.80🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-80.awsdns-10.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-869.awsdns-44.netawsdns-hostmaster@amazon.com serial=1 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1781702123 | ||||||
Subdomains
www.workbrain.us |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSdns3.infor.com2015-07-02 → 2017-01-29 · 4 obs
● 2017-01-29 14:03:12
○ 2020-02-23 19:53:02
○ 2026-06-17 14:09:00
○NSdns4.infor.com2015-11-13 → 2017-01-29 · 5 obs
● 2015-11-13 11:00:50
● 2017-01-29 14:03:12
○ 2020-02-23 19:53:02
○ 2026-06-17 14:09:00
○NSdns5.infor.com2015-07-02 → 2017-01-29 · 4 obs
● 2017-01-29 14:03:12
○ 2020-02-23 19:53:02
○ 2026-06-17 14:09:00
●NSns-1496.awsdns-59.org2020-02-23 → 2026-06-17 · 3 obs
● 2020-02-23 19:53:02
● 2026-06-17 14:09:00
●NSns-1892.awsdns-44.co.uk2020-02-23 → 2026-06-17 · 3 obs
● 2020-02-23 19:53:02
● 2026-06-17 14:09:00
●NSns-80.awsdns-10.com2020-02-23 → 2026-06-17 · 3 obs
● 2020-02-23 19:53:02
● 2026-06-17 14:09:00
●NSns-869.awsdns-44.net2020-02-23 → 2026-06-17 · 3 obs
● 2020-02-23 19:53:02
● 2026-06-17 14:09:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| workbrain.us | ns-1496.awsdns-59.org, ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1892.awsdns-44.co.uk | - |
✅ Authoritative Response
Server:205.251.192.80
NS records: ns-1496.awsdns-59.org, ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1892.awsdns-44.co.uk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 949ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1496.awsdns-59.org, ns-1892.awsdns-44.co.uk... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-869.awsdns-44.net awsdns-hostmaster.a |
Analysis
Hierarchy
www.workbrain.us is delegated beneath workbrain.us.
Name Servers
The authoritative name servers for workbrain.us are ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1496.awsdns-59.org and ns-1892.awsdns-44.co.uk.
There is at least partial name server overlap between workbrain.us and other domains — 168bets10.com, cscglobalfoundation.com, engage-m.com and two more among them.
All four hostnames — ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1496.awsdns-59.org and ns-1892.awsdns-44.co.uk — resolve to two IP numbers apiece: ns-80.awsdns-10.com to 205.251.192.80 and 2600:9000:5300:5000::1; ns-869.awsdns-44.net to 205.251.195.101 and 2600:9000:5303:6500::1; ns-1496.awsdns-59.org to 205.251.197.216 and 2600:9000:5305:d800::1; ns-1892.awsdns-44.co.uk to 205.251.199.100 and 2600:9000:5307:6400::1.