professor57.com - robtex.com
professor57.com
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=1785446362 | ||||||
Subdomains
www.professor57.com |
Same first word
professor57.com |
DNS History
8 records (8 active, 0 former)
●NSdns1.registrar-servers.com2026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
●NSdns2.registrar-servers.com2026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
●MXeforward1.registrar-servers.com2026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
●MXeforward2.registrar-servers.com2026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
●MXeforward3.registrar-servers.com2026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
●MXeforward4.registrar-servers.com2026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
●MXeforward5.registrar-servers.com2026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
●A216.198.79.12026-07-18 → 2026-07-30 · 2 obs
● 2026-07-30 21:42:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| professor57.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for professor57.com (unsigned zone)
⏱️ Timing
Total: 179ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
Hierarchy
www.professor57.com is a subdomain of professor57.com.
IP Addresses
professor57.com points to a single IP number: 216.198.79.1.
Additional host names — belthomsports.com.ar, shopstation.co.uk, traelo.net and two others — share IP numbers with professor57.com.
Name Servers
professor57.com has two authoritative name servers — dns1.registrar-servers.com and dns2.registrar-servers.com.
professor57.com shares its name server setup with other domains, including deerpiggy.com, teamsb.org, dvdlaser.com and two others.
The name servers of professor57.com overlap at least partially with those of other domains — among them myhealtheats.com, patodadestruicao.com, hayvendesign.net and two more.
The name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com are commonly seen alongside these name servers.
Both dns1.registrar-servers.com and dns2.registrar-servers.com have two IP addresses each. dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200; dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
Five mail servers handle professor57.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
professor57.com shares mail servers — at least in part — with other domains, including gametym.net, epharma.ca, iclfi.net and two others.
These mail servers are frequently paired with the mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com.
Host names pointing to a single IP address:
eforward1.registrar-servers.com resolves to 162.255.118.51.
eforward2.registrar-servers.com resolves to 162.255.118.52.
eforward3.registrar-servers.com resolves to 162.255.118.51.
eforward4.registrar-servers.com resolves to 162.255.118.52.
eforward5.registrar-servers.com resolves to 162.255.118.51.
eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com are host names that all point to 162.255.118.51.
The host names eforward2.registrar-servers.com and eforward4.registrar-servers.com both resolve to 162.255.118.52 IP addresses.