a.mx.erdos.theorem.ca - robtex.com
a.mx.erdos.theorem.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.97.222.140🇨🇦 AS912-HUT8-EAST209.97.208.0/20 Hut8 High Performance Compute 24 Duncan Street Toronto ON M5V 2B8 Canada | ||||||
| PTR | turing.theorem.ca | ||||||
mx.erdos.theorem.ca
| DNSSEC | ⚠️ Not signed | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A209.97.222.1402015-05-19 → 2026-05-09 · 2 obs
● 2015-05-19 02:45:08
● 2026-05-09 23:10:02
● 2026-05-09 23:10:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca | - |
| theorem.ca | g.ns.buddyns.com, turing.theorem.ca, d.ns.buddyns.com | 1 record |
✅ Authoritative Response
Server:107.191.99.111
NS records: g.ns.buddyns.com, turing.theorem.ca, d.ns.buddyns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for theorem.ca (unsigned zone)
⏱️ Timing
Total: 1185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.97.222.140 |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (turing.theorem.ca)
Analysis
Mail Server Role
a.mx.erdos.theorem.ca serves as the mail server for erdos.theorem.ca.
IP Addresses
a.mx.erdos.theorem.ca points to a single IP address: 209.97.222.140.
Other host names such as www.vektor.ca, a.mx.undergrad.ca, dogonstarknowledge.com, a.mx.smithsfallstheatre.com and a.mx.bfls.org share IP numbers with a.mx.erdos.theorem.ca.