cos.edu.mx - robtex.com
cos.edu.mx
edu.mx
| DNSSEC | ⚠️ Not signed | ||||||
| NS | m.mx-ns.mx ⭐ ⚠️ Not in parent delegation | ||||||
| NS | c.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | e.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | i.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | o.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | x.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | m.mx-ns.mxhostmaster@nic.mx serial=1778744583 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns143.neubox.net2026-05-12 → 2026-05-14 · 2 obs
● 2026-05-14 12:40:54
●NSns144.neubox.net2026-05-12 → 2026-05-14 · 2 obs
● 2026-05-14 12:40:54
●NSns245.neubox.net2026-05-12 → 2026-05-14 · 2 obs
● 2026-05-14 12:40:54
●MXcos-edu-mx.mail.protection.outlook.com2026-05-12 → 2026-05-14 · 2 obs
● 2026-05-14 12:40:54
●A174.136.26.1352026-05-12 → 2026-05-14 · 2 obs
● 2026-05-14 12:40:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mx | c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx... | - |
| cos.edu.mx | ns143.neubox.net, ns144.neubox.net, ns245.neubox.net | - |
✅ Authoritative Response
Server:65.99.252.158
NS records: ns143.neubox.net, ns144.neubox.net, ns245.neubox.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cos.edu.mx (unsigned zone)
⏱️ Timing
Total: 3768ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 174.136.26.135 |
| NS | 3 | ns144.neubox.net, ns143.neubox.net... |
| MX | 1 | cos-edu-mx.mail.protection.outlook.com ( |
| TXT | 1 | v=spf1 +a +mx +ip4:174.136.26.135 includ |
| SOA | 1 | ns144.neubox.net root.svgp356.serverneub |
Analysis
IP Addresses
cos.edu.mx resolves to one IP number: 174.136.26.135.
other host names including webmail.montalvo.com.mx, energiash.com, grupointegraded.com, mail.maslimpieza.com and cobin.mx share IP numbers with cos.edu.mx.
Name Servers
cos.edu.mx is delegated to three name servers ns143.neubox.net, ns144.neubox.net and ns245.neubox.net.
cos.edu.mx at least partially shares name servers with other domains, for instance danzar.mx, pulques.mx, red-staffing.com, xiaomistore.com.mx and selfmanagementsoftware.com.
these name servers are commonly used alongside ns345.neubox.xyz.
Host names with one IP number: ns143.neubox.net points to 65.99.252.155; ns144.neubox.net points to 65.99.252.158; ns245.neubox.net points to 66.240.233.151.
Mail Servers
cos.edu.mx is handled by a single mail server, cos-edu-mx.mail.protection.outlook.com.
Host cos-edu-mx.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c802::, 2a01:111:f403:c92c::2, 2a01:111:f403:c946::7, 2a01:111:f403:f908::2, 52.101.10.1, 52.101.11.2, 52.101.11.3 and 52.101.194.13.