core-exercise.com - robtex.com
core-exercise.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=1774460487 | ||||||
Same first word
core-exercise.com |
DNS History
8 records (6 active, 2 former)
●NSns45.domaincontrol.com2015-06-27 → 2026-03-25 · 2 obs
● 2026-03-25 18:07:44
●NSns46.domaincontrol.com2015-06-27 → 2026-03-25 · 2 obs
● 2026-03-25 18:07:44
●MXmailstore1.secureserver.net2015-06-27 → 2026-03-25 · 2 obs
● 2026-03-25 18:07:44
●MXsmtp.secureserver.net2015-06-27 → 2026-03-25 · 2 obs
● 2026-03-25 18:07:44
●A15.197.142.1732026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 18:07:44
○A184.168.131.2412020-02-12 → 2020-02-12 · 3 obs
● 2020-02-12 09:13:28
○ 2026-03-25 18:07:44
●A3.33.152.1472026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 18:07:44
○A50.63.202.122015-06-27 → 2017-02-19 · 4 obs
● 2017-02-19 00:29:46
○ 2020-02-12 09:13:28
○ 2026-03-25 18:07:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| core-exercise.com | ns45.domaincontrol.com, ns46.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.102.23
NS records: ns45.domaincontrol.com, ns46.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-exercise.com (unsigned zone)
⏱️ Timing
Total: 102ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.142.173, 3.33.152.147 |
| NS | 2 | ns45.domaincontrol.com, ns46.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns45.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns45.domaincontrol.com, ns45.domaincontrol.com, ns46.domaincontrol.com...)
Analysis
IP Addresses
core-exercise.com resolves to two IP numbers: 3.33.152.147 and 15.197.142.173.
Other host names, for instance yourcourtsupport.com, cqa.io, casheds.com, bluebarncreative.org and parkerndt.org share IP numbers with core-exercise.com.
Name Servers
Two name servers ns45.domaincontrol.com and ns46.domaincontrol.com handle delegation for core-exercise.com.
core-exercise.com uses the same name server setup as other domains, for example wildair.com, starkculturalvenues.org, homesteadcraftfair.net, productionpulse.net and viatix.com.mx.
Host names with two IP numbers:
ns45.domaincontrol.com points to: 2603:5:2162::17 and 97.74.102.23
ns46.domaincontrol.com points to: 2603:5:2262::17 and 173.201.70.23
Mail Servers
core-exercise.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
core-exercise.com has the same mail server setup as other domains, including energypricesbyzip.com, alajinn.com, imtek.co, inthe216.com and mexigroup.com.
core-exercise.com shares some mail servers with other domains, for example e-solutions-engineering.com, millionclicks.eu and mjwoodworking.co.uk.
Host names with three IP numbers: mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162.
Host names with one IP number: smtp.secureserver.net points to 92.204.80.0.