defensivethinking.org - dns.ninja
defensivethinking.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 192.254.228.38🇺🇸 EIGI192.254.224.0/20 Google | ||||||
| PTR | 192-254-228-38.unifiedlayer.com | ||||||
| NS | hgns1.hostgator.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34aa🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.170🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | hgns2.hostgator.com | ||||||
| A | 2606:4700:5a::ac40:35e8🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.232🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.defensivethinking.org ⭐ | ||||||
| A | 192.254.228.38🇺🇸 EIGI192.254.224.0/20 Google | ||||||
| PTR | 192-254-228-38.unifiedlayer.com | ||||||
| TXT | v=spf1 ip4:192.254.226.170 a mx include:websitewelcome.com ~all | ||||||
| TXT | google-site-verification=7aD0PSrSvTwg4YKUasWl4N2RiS_aaoWO7dShyxFo7gU | ||||||
| TXT | google-site-verification=3JfKQgkNK1HyRg9AA6cntoZvBlwmcIXLOhAhLkvbuEU | ||||||
| SOA | hgns1.hostgator.comroot@gator4478.hostgator.com 2026-07-30 #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=1785497477 | ||||||
Subdomains
mail.defensivethinking.org |
Same first word
defensivethinking.org |
DNS History
10 records (4 active, 6 former)
●NShgns1.hostgator.com2026-02-23 → 2026-07-31 · 3 obs
● 2026-02-23 22:33:08
● 2026-07-31 11:52:00
●NShgns2.hostgator.com2026-02-23 → 2026-07-31 · 3 obs
● 2026-02-23 22:33:08
● 2026-07-31 11:52:00
○NSns1.defensivethinking.org2008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-18 03:20:48
○ 2026-07-31 11:52:00
○NSns2.defensivethinking.org2008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-18 03:20:48
○ 2026-07-31 11:52:00
○NSns3.defensivethinking.org2008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-18 03:20:48
○ 2026-07-31 11:52:00
○MX202.124.153.24.defensivethinking.org2008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-18 03:20:48
○ 2026-07-31 11:52:00
○MX202.175.216.43.defensivethinking.org2008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-18 03:20:48
○ 2026-07-31 11:52:00
●MXmail.defensivethinking.org2026-02-23 → 2026-07-31 · 3 obs
● 2026-02-23 22:33:08
● 2026-07-31 11:52:00
●A192.254.228.382026-02-23 → 2026-07-31 · 3 obs
● 2026-02-23 22:33:08
● 2026-07-31 11:52:00
○A202.175.216.432008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-18 03:20:48
○ 2026-07-31 11:52:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| defensivethinking.org | hgns2.hostgator.com, hgns1.hostgator.com | - |
✅ Authoritative Response
Server:172.64.53.232
NS records: hgns2.hostgator.com, hgns1.hostgator.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.254.228.38 |
| NS | 2 | hgns2.hostgator.com, hgns1.hostgator.com |
| MX | 1 | mail.defensivethinking.org (pri: 0) |
| TXT | 3 | v=spf1 ip4:192.254.226.170 a mx include:, google-site-verification=7aD0PSrSvTwg4YK... |
| SOA | 1 | hgns1.hostgator.com root.gator4478.hostg |
Analysis
Hierarchy
defensivethinking.org is a parent domain of mail.defensivethinking.org.
IP Addresses
defensivethinking.org points to a single IP number: 192.254.228.38.
Additional host names — mail.spicerpto.com, mail.defensivethinking.org, mail.muncieptos.com and two others — share IP numbers with defensivethinking.org.
Name Servers
defensivethinking.org is served by two delegated name servers, hgns1.hostgator.com and hgns2.hostgator.com.
defensivethinking.org shares its name server setup with other domains, including dblphotography.com, howtofixhairloss.com, designerscript.com and two others.
defensivethinking.org shares at least some of its name servers with other domains, including servicioexterno1.com, midwestukecamp.com, insmendozachampoton.edu.mx and two others.
Each of the two host names carries two IP addresses: hgns1.hostgator.com points to 172.64.52.170 and 2606:4700:52::ac40:34aa, and hgns2.hostgator.com points to 172.64.53.232 and 2606:4700:5a::ac40:35e8.
Mail Servers
defensivethinking.org has one mail server: mail.defensivethinking.org.
There is one IP number for mail.defensivethinking.org: 192.254.228.38.