sej473.com - robtex.com
sej473.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.138.210.181🇪🇸 CYBERNETICOS164.138.208.0/22 abuse@cyberneticos.com cyberneticos bgp c1 | ||||||
| PTR | formacionasunivep2.cyberneticos.net | ||||||
| NS | formacionasunivep3.cyberneticos.com ⭐ | ||||||
| A | 164.138.210.181🇪🇸 CYBERNETICOS164.138.208.0/22 abuse@cyberneticos.com cyberneticos bgp c1 | ||||||
| PTR | formacionasunivep2.cyberneticos.net | ||||||
| NS | formacionasunivep4.cyberneticos.com | ||||||
| A | 5.79.96.3🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB | ||||||
| PTR | nameserver2.cyberneticos.com | ||||||
| MX | mail.sej473.com ⭐ | ||||||
| A | 164.138.210.181🇪🇸 CYBERNETICOS164.138.208.0/22 abuse@cyberneticos.com cyberneticos bgp c1 | ||||||
| PTR | formacionasunivep2.cyberneticos.net | ||||||
| TXT | v=spf1 a mx ip4:164.138.210.181 -all | ||||||
| SOA | formacionasunivep3.cyberneticos.comhostmaster@sej473.com 2024-02-20 #5 | ||||||
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=1774913127 | ||||||
Subdomains
mail.sej473.com |
DNS History
7 records (4 active, 3 former)
○NSformacionasunivep1.cyberneticos.com2015-09-02 → 2017-04-14 · 4 obs
● 2017-04-14 08:47:52
○ 2026-03-30 23:50:44
○ 2026-03-30 23:50:46
○NSformacionasunivep2.cyberneticos.com2015-09-02 → 2017-04-14 · 4 obs
● 2017-04-14 08:47:52
○ 2026-03-30 23:50:44
○ 2026-03-30 23:50:46
●NSformacionasunivep3.cyberneticos.com2026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 23:50:44
● 2026-03-30 23:50:46
●NSformacionasunivep4.cyberneticos.com2026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 23:50:44
● 2026-03-30 23:50:46
●MXmail.sej473.com2015-09-02 → 2026-03-30 · 2 obs
● 2026-03-30 23:50:46
●A164.138.210.1812026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 23:50:44
● 2026-03-30 23:50:46
○A164.138.210.1912015-09-02 → 2017-04-14 · 4 obs
● 2017-04-14 08:47:52
○ 2026-03-30 23:50:44
○ 2026-03-30 23:50:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sej473.com | formacionasunivep4.cyberneticos.com, formacionasunivep3.cyberneticos.com | 2 records |
✅ Authoritative Response
Server:5.79.96.3
NS records: formacionasunivep4.cyberneticos.com, formacionasunivep3.cyberneticos.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sej473.com (unsigned zone)
⏱️ Timing
Total: 216ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.138.210.181 |
| NS | 2 | formacionasunivep3.cyberneticos.com, formacionasunivep4.cyberneticos.com |
| MX | 1 | mail.sej473.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:164.138.210.181 -all |
| SOA | 1 | formacionasunivep3.cyberneticos.com host |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (formacionasunivep4.cyberneticos.com, formacionasunivep3.cyberneticos.com)
Analysis
Hierarchy
sej473.com is parent of mail.sej473.com.
IP Addresses
sej473.com points to a single IP: 164.138.210.181.
Other host names, for instance cinfoper.com, formacionasunivep.com, formacionasunivep2.cyberneticos.net, mail.formacionasunivep.com and ciise.es share IP numbers with sej473.com.
Name Servers
sej473.com's delegation is to two name servers formacionasunivep3.cyberneticos.com and formacionasunivep4.cyberneticos.com.
sej473.com shares the same name server setup as other domains, for example cinfoper.com, formacionasunivep.com and ciise.es.
Host names with a single IP:
formacionasunivep3.cyberneticos.com resolves to 164.138.210.181.
formacionasunivep4.cyberneticos.com resolves to 5.79.96.3.
Mail Servers
sej473.com is served by a single mail server, mail.sej473.com.
mail.sej473.com points to IP number 164.138.210.181.