aprender21.com - robtex.com
aprender21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 149.50.142.250🇦🇷 AS27823149.50.142.0/24 Route Registered for Cogent Communications Customer - DATTATEC.COM S.R.L. | ||||||
| PTR | vps-4520453-x.dattaweb.com | ||||||
| NS | ns3.hostmar.com ⭐ | ||||||
| A | 200.58.112.193🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com | ||||||
| PTR | ns3.hostmar.com | ||||||
| NS | ns1.donweb.com | ||||||
| A | 200.58.112.193🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com | ||||||
| PTR | ns3.hostmar.com | ||||||
| NS | ns2.donweb.com | ||||||
| A | 200.58.112.101🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com | ||||||
| PTR | ns4.hostmar.com | ||||||
| MX | mail.aprender21.com ⭐ | ||||||
| A | 149.50.142.250🇦🇷 AS27823149.50.142.0/24 Route Registered for Cogent Communications Customer - DATTATEC.COM S.R.L. | ||||||
| PTR | vps-4520453-x.dattaweb.com | ||||||
| TXT | v=spf1 include:spf.hostmar.com ip4:149.50.142.250 ip6:2800:6c0:5::117c includ... | ||||||
| TXT | google-site-verification=qg1dMqx7B4T30S6aOF4uuvQflqkhK46inHckfOJCQRA | ||||||
| SOA | ns3.hostmar.comroot@hostmar.com 2026-03-17 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775984962 | ||||||
Previously MX for
aprender21.com |
Subdomains
mail.aprender21.com |
Same first word
aprender21.com.ar |
aprender21.com |
DNS History
10 records (5 active, 5 former)
●NSns1.donweb.com2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 04:26:28
● 2026-04-12 09:38:32
●NSns2.donweb.com2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 04:26:28
● 2026-04-12 09:38:32
●NSns3.hostmar.com2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 04:26:28
● 2026-04-12 09:38:32
○NSns8039.hostgator.com2015-08-19 → 2019-03-04 · 4 obs
● 2019-03-04 06:38:06
○ 2026-03-07 04:26:28
○ 2026-04-12 09:38:32
○NSns991.hostgator.com2015-08-19 → 2019-03-04 · 4 obs
● 2019-03-04 06:38:06
○ 2026-03-07 04:26:28
○ 2026-04-12 09:38:32
○NSns992.hostgator.com2015-08-19 → 2019-03-04 · 4 obs
● 2019-03-04 06:38:06
○ 2026-03-07 04:26:28
○ 2026-04-12 09:38:32
○MXaprender21.com2015-08-19 → 2019-03-04 · 4 obs
● 2019-03-04 06:38:06
○ 2026-03-07 04:26:28
○ 2026-04-12 09:38:32
●MXmail.aprender21.com2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 04:26:28
● 2026-04-12 09:38:32
●A149.50.142.2502026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 04:26:28
● 2026-04-12 09:38:32
○A192.185.17.572015-08-19 → 2019-03-04 · 4 obs
● 2019-03-04 06:38:06
○ 2026-03-07 04:26:28
○ 2026-04-12 09:38:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net... | - |
| aprender21.com | ns1.donweb.com, ns2.donweb.com | 2 records |
✅ Authoritative Response
Server:200.58.112.193
NS records: ns1.donweb.com, ns2.donweb.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for aprender21.com (unsigned zone)
⏱️ Timing
Total: 431ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.50.142.250 |
| NS | 2 | ns2.donweb.com, ns1.donweb.com |
| MX | 1 | mail.aprender21.com (pri: 0) |
| TXT | 2 | google-site-verification=qg1dMqx7B4T30S6, v=spf1 include:spf.hostmar.com ip4:149.5 |
| SOA | 1 | ns3.hostmar.com root.hostmar.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.donweb.com, ns2.donweb.com)
Analysis
Hierarchy
aprender21.com is the parent of mail.aprender21.com.
IP Addresses
aprender21.com points to IP number 149.50.142.250.
For instance, other host names vps-4520453-x.dattaweb.com, torrefuerte.com.ar, aprender21.com.ar, institutoserra.org and mail.aprender21.com.ar share IP numbers with aprender21.com.
Name Servers
The delegation for aprender21.com is handled by three name servers: ns1.donweb.com, ns2.donweb.com and ns3.hostmar.com.
aprender21.com shares name servers with other domains at least partially, for example mi-universo.com, lidercar.com.ar, spa-ser.com.ar, mastercom.com.ar and vercreativo.com.ar.
these name servers are commonly used together with the name servers ns4.hostmar.com, ns1.donweb.co, ns1.donweb.mx, ns1.donweb.uy, ns2.donweb.bo, ns1.donweb.cl, ns21.dattatec.com and ns22.dattatec.com.
Host names with a single IP:
ns1.donweb.com points to 200.58.112.193
ns2.donweb.com points to 200.58.112.101
ns3.hostmar.com points to 200.58.112.193
Host names that point to 200.58.112.193: ns1.donweb.com and ns3.hostmar.com
Mail Servers
aprender21.com is handled by a single mail server, mail.aprender21.com.
mail.aprender21.com points to a single IP: 149.50.142.250.