otbthink.com - robtex.com
otbthink.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774624217 | ||||||
Subdomains
ns.otbthink.com |
Same first word
otbthink.com |
Similar names
DNS History
11 records (9 active, 2 former)
●NSa1.uberns.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:21:52
○NSns.otbthink.com2015-07-14 → 2017-04-06 · 3 obs
● 2017-04-06 10:05:50
○ 2026-03-27 15:21:52
●NSns1.whoanetworks.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:21:52
●NSns2.whoanetworks.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:21:52
●NSns3.whoanetworks.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:21:52
●NSns4.whoanetworks.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:21:52
○MXmail.ontheballmarketing.com2015-07-14 → 2017-04-06 · 3 obs
● 2017-04-06 10:05:50
○ 2026-03-27 15:21:52
●MXotbthink-com.mail.protection.outlook.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:21:52
●A162.211.252.232015-07-14 → 2026-03-27 · 2 obs
● 2026-03-27 15:21:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net... | - |
| otbthink.com | ns3.whoa.com, ns1.whoa.com | 2 records |
✅ Authoritative Response
Server:216.59.57.91
NS records: ns3.whoa.com, ns1.whoa.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for otbthink.com (unsigned zone)
⏱️ Timing
Total: 153ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.211.252.23 |
| NS | 4 | ns1.whoanetworks.com, ns2.whoanetworks.com... |
| MX | 1 | otbthink-com.mail.protection.outlook.com |
| TXT | 2 | MS=ms30788243, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | a1.uberns.com noc.whoanetworks.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.whoa.com, ns1.whoa.com)
Analysis
Hierarchy
otbthink.com is the parent of ns.otbthink.com.
IP Addresses
otbthink.com resolves to one IP number: 162.211.252.23.
Other host names, for instance ns.otbthink.com, share IP numbers with otbthink.com.
Name Servers
otbthink.com is delegated to seven name servers: a1.uberns.com, ns1.whoa.com, ns3.whoa.com, ns1.whoanetworks.com, ns2.whoanetworks.com, ns3.whoanetworks.com and ns4.whoanetworks.com.
otbthink.com at least partially shares name servers with other domains, for instance getyourdegreefast.org, tradingtechnologies.com.br, emn-online.com, themailgateway.com and discovercommunications.com.
These name servers are commonly used with the following name servers: b1.uberns.com, b1.uberns.net, a1.uberns.net, b1.uberns.org, a1.uberns.org, b3.uberns.com, a1.uberns.co.uk, b1.uberns.info, a3.uberns.com and ns2.whoa.com.
Host names with two IP numbers:
a1.uberns.com points to 2602:ffe2:53::1 and 216.59.59.1
ns4.whoanetworks.com points to 2602:ffe2:54::98 and 104.153.199.98
Host names with one IP number:
ns1.whoanetworks.com points to 216.59.57.91
ns2.whoanetworks.com points to 216.59.57.98
ns3.whoanetworks.com points to 104.153.199.91
Mail Servers
otbthink.com is handled by a single mail server, otbthink-com.mail.protection.outlook.com.
Host otbthink-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::2, 2a01:111:f403:c946::5, 2a01:111:f403:f907::1, 2a01:111:f403:f90f::1, 52.101.9.5, 52.101.10.1, 52.101.40.0 and 52.101.194.13.