closedsum.com - robtex.com
closedsum.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=1771291435 | ||||||
Similar names
DNS History
5 records (5 active, 0 former)
●NSns39.domaincontrol.com2015-07-19 → 2026-03-13 · 2 obs
● 2026-03-13 00:30:52
●NSns40.domaincontrol.com2015-07-19 → 2026-03-13 · 2 obs
● 2026-03-13 00:30:52
●MXmailstore1.secureserver.net2015-07-19 → 2026-03-13 · 2 obs
● 2026-03-13 00:30:52
●MXsmtp.secureserver.net2015-07-19 → 2026-03-13 · 2 obs
● 2026-03-13 00:30:52
●A146.255.39.12015-07-19 → 2026-03-13 · 2 obs
● 2026-03-13 00:30:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net... | - |
| closedsum.com | ns39.domaincontrol.com, ns40.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 97.74.109.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for closedsum.com (unsigned zone)
⏱️ Timing
Total: 283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.255.39.1 |
| NS | 2 | ns39.domaincontrol.com, ns40.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns39.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns39.domaincontrol.com, ns39.domaincontrol.com, ns40.domaincontrol.com...)
Analysis
IP Addresses
closedsum.com points to a single IP: 146.255.39.1.
Other host names, for instance drsacademy.com, www.endlessgaming.co.uk, acp.communicationpackage.com, heian.it and mail.axefilms.co.uk share IP numbers with closedsum.com.
Name Servers
closedsum.com's delegation is to two name servers ns39.domaincontrol.com and ns40.domaincontrol.com.
closedsum.com shares the same name server configuration as other domains, such as dalesquared.com, salomed.com, silenthikes.com, stephaniecummings.net and krei.com.
Host names with two IP numbers: ns39.domaincontrol.com points to 2603:5:21d1::14 and 97.74.109.20; ns40.domaincontrol.com points to 2603:5:22d1::14 and 173.201.77.20
Mail Servers
Two mail servers mailstore1.secureserver.net and smtp.secureserver.net handle closedsum.com.
closedsum.com uses the same mail server setup as other domains such as egttn.com, massachusetts-duilawyer.com, reliefmadesimple.com, etaskpaga.com and itsignature.co.
closedsum.com shares at least some mail servers with other domains, for instance gct.tech and clpciti.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