gradesystem.com - robtex.com
gradesystem.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=1777044096 | ||||||
Same first word
gradesystem.com |
DNS History
5 records (5 active, 0 former)
●NSns51.domaincontrol.com2015-06-28 → 2026-04-24 · 2 obs
● 2026-04-24 15:28:16
●NSns52.domaincontrol.com2015-06-28 → 2026-04-24 · 2 obs
● 2026-04-24 15:28:16
●MXmailstore1.secureserver.net2015-06-28 → 2026-04-24 · 2 obs
● 2026-04-24 15:28:16
●MXsmtp.secureserver.net2015-06-28 → 2026-04-24 · 2 obs
● 2026-04-24 15:28:16
●A208.78.217.1182015-06-28 → 2026-04-24 · 2 obs
● 2026-04-24 15:28:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| gradesystem.com | ns51.domaincontrol.com, ns52.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gradesystem.com (unsigned zone)
⏱️ Timing
Total: 170ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.78.217.118 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)
Analysis
IP Addresses
gradesystem.com points to a single IP number: 208.78.217.118.
Other host names such as custgw-cc990-13-2.r01.dllstx01.corexchange.com and gradeplus.com share IP numbers with gradesystem.com.
Name Servers
Delegation for gradesystem.com rests with two name servers, ns51.domaincontrol.com and ns52.domaincontrol.com.
gradesystem.com shares the same name server setup as other domains, including dineshsati.com, dixbet.com, chickensoupbar.com, walkupright.com and tocoway.com.
gradesystem.com shares name servers with other domains at least partially, for example designtheorygames.com.
Host names with two IP numbers: ns51.domaincontrol.com points to 2603:5:2192::1a and 97.74.105.26; ns52.domaincontrol.com points to 2603:5:2292::1a and 173.201.73.26.
Mail Servers
gradesystem.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
gradesystem.com uses the same mail server configuration as other domains, such as scoro.dk, aarppl.com, buildodisha.com, mma-zone.com and pavementsoftware.com.
gradesystem.com shares mail servers with other domains, at least partially, for instance tamta.de and theelectricianshop.com.
Host names with three IP numbers: The host name mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; The host name smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.