categorical.org - robtex.com
categorical.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.150.193🇯🇵 GMOOSK-NET160.251.150.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s97.xrea.com | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | categorical.org ⭐ | ||||||
| A | 160.251.150.193🇯🇵 GMOOSK-NET160.251.150.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s97.xrea.com | ||||||
| SOA | ns1.value-domain.comhostmaster@categorical.org 2020-08-26 #18 | ||||||
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=1785456872 | ||||||
MX for
categorical.org |
Same first word
categorical.si |
categorical.info |
categorical.com |
categorical.co.uk |
categorical.org |
categorical.com.au |
categorical.net |
categorical.us |
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.value-domain.com2015-06-20 → 2026-07-31 · 2 obs
● 2026-07-31 00:51:34
●NSns2.value-domain.com2015-06-20 → 2026-07-31 · 2 obs
● 2026-07-31 00:51:34
●NSns3.value-domain.com2026-03-20 → 2026-07-31 · 3 obs
● 2026-03-20 03:07:20
● 2026-07-31 00:51:34
●MXcategorical.org2015-06-20 → 2026-07-31 · 2 obs
● 2026-07-31 00:51:34
○A150.95.8.1932017-06-27 → 2017-06-27 · 4 obs
● 2017-06-27 09:58:48
○ 2026-03-20 03:07:20
○ 2026-07-31 00:51:34
●A160.251.150.1932026-03-20 → 2026-07-31 · 3 obs
● 2026-03-20 03:07:20
● 2026-07-31 00:51:34
○A203.189.104.1932015-06-20 → 2016-12-06 · 4 obs
● 2016-12-06 13:28:38
○ 2017-06-27 09:58:48
○ 2026-07-31 00:51:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| categorical.org | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for categorical.org (unsigned zone)
⏱️ Timing
Total: 459ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.150.193 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 1 | categorical.org (pri: 10) |
| SOA | 1 | ns1.value-domain.com hostmaster.categori |
Analysis
Mail Server Role
categorical.org acts as its own mail server.
IP Addresses
categorical.org points to a single IP number: 160.251.150.193.
Additional host names — takzweb.com, eldmessa.net, k-kunisaki.net and two others — share IP numbers with categorical.org.
Name Servers
categorical.org is served by three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.
The name servers of categorical.org overlap at least partially with those of other domains — among them syncjam.com, japantrad.biz, k-tamaki.net and two more.
These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.
ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com each resolve to a single IP address: ns1.value-domain.com resolves to 172.64.52.38, ns2.value-domain.com resolves to 172.64.53.3 and ns3.value-domain.com resolves to 172.64.52.38.
ns1.value-domain.com and ns3.value-domain.com each have 172.64.52.38 IP addresses.
Mail Servers
categorical.org has a single mail server: categorical.org itself.
categorical.org resolves to 160.251.150.193 and no other IP number.