www.theoryofcomputing.org - robtex.com
www.theoryofcomputing.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.135.164.114🇺🇸 UCHICAGO-1128.135.0.0/16 The University of Chicago | ||||||
| PTR | zesty.cs.uchicago.edu | ||||||
theoryofcomputing.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.135.164.114🇺🇸 UCHICAGO-1128.135.0.0/16 The University of Chicago | ||||||
| NS | ns4.active-dns.com ⭐ | ||||||
| NS | ns1.active-dns.com | ||||||
| NS | ns2.active-dns.com | ||||||
| NS | ns3.active-dns.com | ||||||
| SOA | ns4.active-dns.comtoc@cs.uchicago.edu 2021-04-16 #1 | ||||||
rank #725572 globally
rank #52978 in the tld
WOT: SAFE (90/100)
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A128.135.164.1142018-01-11 → 2026-03-29 · 2 obs
● 2018-01-11 21:11:32
● 2026-03-29 20:56:08
● 2026-03-29 20:56:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| theoryofcomputing.org | ns2.active-dns.com, ns4.active-dns.com, ns3.active-dns.com, ns1.active-dns.com | - |
✅ Authoritative Response
Server:162.251.82.123
NS records: ns2.active-dns.com, ns4.active-dns.com, ns3.active-dns.com, ns1.active-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for theoryofcomputing.org (unsigned zone)
⏱️ Timing
Total: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.135.164.114 |
Analysis
IP Addresses
www.theoryofcomputing.org points to a single IP number: 128.135.164.114.
Other host names like theoryofcomputing.org and zesty.cs.uchicago.edu share IP numbers with www.theoryofcomputing.org.