cbtis71.edu.mx - robtex.com
cbtis71.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=1778714213 | ||||||
Subdomains
webdisk.cbtis71.edu.mx |
DNS History
10 records (10 active, 0 former)
●NSdns5.guiaescolar.net2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●NSdns6.guiaescolar.net2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●NSnode1-sdf1.guiaescolar.net2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●NSnode2-sdf1.guiaescolar.net2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●MXalt1.aspmx.l.google.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●MXalt2.aspmx.l.google.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●MXalt3.aspmx.l.google.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●MXalt4.aspmx.l.google.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●MXaspmx.l.google.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
●A192.99.21.1062026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 05:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mx | c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx... | - |
| cbtis71.edu.mx | node1-sdf1.guiaescolar.net, node2-sdf1.guiaescolar.net | - |
✅ Authoritative Response
Server:192.99.21.106
NS records: node1-sdf1.guiaescolar.net, node2-sdf1.guiaescolar.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbtis71.edu.mx (unsigned zone)
⏱️ Timing
Total: 340ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.99.21.106 |
| NS | 2 | dns5.guiaescolar.net, dns6.guiaescolar.net |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 3 | google-site-verification=6dpgolbXBNwBeJX, google-site-verification=DsEOX0sSFFyXyFM... |
| SOA | 1 | dns5.guiaescolar.net ricardo.guiaescolar |
Analysis
Hierarchy
cbtis71.edu.mx is the parent of webdisk.cbtis71.edu.mx.
IP Addresses
cbtis71.edu.mx resolves to one IP number: 192.99.21.106.
other host names including vocesdelperiodista.com.mx, incipar.edu.mx, celv.edu.mx, webmail.cbtis202.edu.mx and node2-sdf1.guiaescolar.net share IP numbers with cbtis71.edu.mx.
Name Servers
cbtis71.edu.mx is delegated to four name servers: dns5.guiaescolar.net, dns6.guiaescolar.net, node1-sdf1.guiaescolar.net and node2-sdf1.guiaescolar.net.
cbtis71.edu.mx at least partially shares name servers with other domains, for instance cemarvid.edu.mx, unidadacademicademexico.edu.mx, sec37.edu.mx, flexlite.com.mx and cetis8rafaeldonde.edu.mx.
These name servers are commonly used alongside dns1.guiaescolar.net and dns2.guiaescolar.net.
Hosts with a single IP:
dns5.guiaescolar.net points to 51.195.50.141
dns6.guiaescolar.net points to 51.195.50.142
node1-sdf1.guiaescolar.net points to 192.99.21.106
node2-sdf1.guiaescolar.net points to 192.99.21.106
Hosts pointing to 192.99.21.106: node1-sdf1.guiaescolar.net, node2-sdf1.guiaescolar.net
Mail Servers
cbtis71.edu.mx is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
cbtis71.edu.mx shares some mail servers with other domains, at least partially, for instance showofstrengthlive.com, soundrivers.org, skynetter.com, getcpa.com and tilt.dev.
these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4023:c0d::1a and 142.251.2.26
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.26