cestm.edu.mx - robtex.com
cestm.edu.mx
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.39.85.122🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | vfx2.guiaescolar.net | ||||||
| NS | ns7.guiaescolar.net ⭐ | ||||||
| A | 5.39.85.122🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | vfx2.guiaescolar.net | ||||||
| NS | ns8.guiaescolar.net | ||||||
| A | 5.39.85.122🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | vfx2.guiaescolar.net | ||||||
| MX | aspmx.l.google.co ⭐ | ||||||
| MX | alt1.aspmx.l.google.co(5) | ||||||
| MX | alt2.aspmx.l.google.co(5) | ||||||
| MX | alt3.aspmx.l.google.co(10) | ||||||
| MX | alt4.aspmx.l.google.co(10) | ||||||
| TXT | v=spf1 +a +mx +ip4:5.39.85.122 ~all | ||||||
| TXT | google-site-verification=m7LL2L_fYAjVbWyaXYW2Wc3L1jNE3XuheB-2hfuOvtE | ||||||
| SOA | ns7.guiaescolar.netpostmaster@cestm.edu.mx 2026-05-13 #1 | ||||||
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=1778800568 | ||||||
Subdomains
www.cestm.edu.mx |
Same first word
cestm.edu.mx |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns7.guiaescolar.net2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
●NSns8.guiaescolar.net2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
●MXalt1.aspmx.l.google.co2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
●MXalt2.aspmx.l.google.co2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
●MXalt3.aspmx.l.google.co2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
●MXalt4.aspmx.l.google.co2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
●MXaspmx.l.google.co2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
●A5.39.85.1222026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 00:45:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mx | c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx... | 12 records |
| cestm.edu.mx | ns7.guiaescolar.net, ns8.guiaescolar.net | - |
✅ Authoritative Response
Server:5.39.85.122
NS records: ns7.guiaescolar.net, ns8.guiaescolar.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cestm.edu.mx (unsigned zone)
⏱️ Timing
Total: 731ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.39.85.122 |
| NS | 2 | ns8.guiaescolar.net, ns7.guiaescolar.net |
| MX | 5 | ASPMX.L.GOOGLE.CO (pri: 1), ALT2.ASPMX.L.GOOGLE.CO (pri: 5)... |
| TXT | 2 | google-site-verification=m7LL2L_fYAjVbWy, v=spf1 +a +mx +ip4:5.39.85.122 ~all |
| SOA | 1 | ns7.guiaescolar.net postmaster.cestm.edu |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (c.mx-ns.mx, c.mx-ns.mx, e.mx-ns.mx...)
Analysis
Hierarchy
The parent of www.cestm.edu.mx is cestm.edu.mx.
IP Addresses
cestm.edu.mx points to an IP address: 5.39.85.122.
other host names include webmail.iberotab.edu.mx, colegioalemanfreinet.edu.mx, webmail.colegioalemanfreinet.edu.mx, guiaescolar.com.mx and usaguanajuato.edu.mx; they share IP numbers with cestm.edu.mx.
Name Servers
Two name servers ns7.guiaescolar.net and ns8.guiaescolar.net handle the delegation for cestm.edu.mx.
cestm.edu.mx shares the same name server setup as other domains, for instance benuff.edu.mx, cbmigueldecervantes.edu.mx, uttamazula.edu.mx, est30jmp.edu.mx and cecati171.edu.mx.
Host names with a single IP
ns7.guiaescolar.net points to 5.39.85.122
ns8.guiaescolar.net points to 5.39.85.122
Host names that point to 5.39.85.122: ns7.guiaescolar.net and ns8.guiaescolar.net
Mail Servers
cestm.edu.mx is served by five mail servers: aspmx.l.google.co, alt1.aspmx.l.google.co, alt2.aspmx.l.google.co, alt3.aspmx.l.google.co and alt4.aspmx.l.google.co.
cestm.edu.mx shares at least partially some mail servers with other domains, for instance dio.pt, aircare.com.tw, pixelshouse.com, naturesgreenlandscaping.ca and shreveportopera.org.
these mail servers are often used with the following mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx5.googlemail.com and aspmx4.googlemail.com.