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 | ||||||
Same first word
closedsum.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns39.domaincontrol.com2015-07-19 → 2026-03-14 · 2 obs
● 2026-03-14 02:56:46
●NSns40.domaincontrol.com2015-07-19 → 2026-03-14 · 2 obs
● 2026-03-14 02:56:46
●MXmailstore1.secureserver.net2015-07-19 → 2026-03-14 · 2 obs
● 2026-03-14 02:56:46
●MXsmtp.secureserver.net2015-07-19 → 2026-03-14 · 2 obs
● 2026-03-14 02:56:46
●A146.255.39.12015-07-19 → 2026-03-14 · 2 obs
● 2026-03-14 02:56:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| closedsum.com | ns39.domaincontrol.com, ns40.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 173.201.77.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for closedsum.com (unsigned zone)
⏱️ Timing
Total: 401ms | 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 number: 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 is delegated to two name servers: ns39.domaincontrol.com and ns40.domaincontrol.com.
closedsum.com uses the same name server setup as other domains, for instance dalesquared.com, salomed.com, silenthikes.com, stephaniecummings.net and krei.com.
Host names with two IP numbers:
The host ns39.domaincontrol.com points to 2603:5:21d1::14 and 97.74.109.20.
The host ns40.domaincontrol.com points to 2603:5:22d1::14 and 173.201.77.20.
Mail Servers
closedsum.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
closedsum.com shares the same mail server setup as other domains, including egttn.com, massachusetts-duilawyer.com, reliefmadesimple.com, etaskpaga.com and itsignature.co.
At least part of closedsum.com's mail servers are shared with other domains, for instance gct.tech and clpciti.com.
Host names with three IP numbers: mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.