concurrentcourses.org - robtex.com
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concurrentcourses.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.254.28.231🇺🇸 EIGI | ||||||
| PTR | just2023.justhost.com | ||||||
| NS | ns1.justhost.com ⭐ | ||||||
| A | 162.159.24.49 Cloudflare | ||||||
| PTR | ns1.justhost.com | ||||||
| NS | ns2.justhost.com | ||||||
| A | 162.159.25.241 Cloudflare | ||||||
| PTR | ns2.justhost.com | ||||||
| MX | mail.concurrentcourses.org ⭐ | ||||||
| A | 173.254.28.231🇺🇸 EIGI | ||||||
| PTR | just2023.justhost.com | ||||||
| TXT | "v=spf1 a mx ptr include:justhost.com ?all" | ||||||
| SOA | ns1.justhost.comroot@just2023.justhost.com 2025-04-04 #0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ | ||||||
| NS | a2.org.afilias-nst.info⚠️ | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info⚠️ | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1769739856 | ||||||
Up
mail.concurrentcourses.org |
Same first word
concurrentcourses.org |
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| concurrentcourses.org | ns2.justhost.com, ns1.justhost.com | - |
✅ Authoritative Response
Server: 162.159.25.241
NS records: ns2.justhost.com, ns1.justhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concurrentcourses.org (unsigned zone)
⏱️ Timing
Total: 50ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.254.28.231 |
| NS | 2 | ns2.justhost.com, ns1.justhost.com |
| MX | 1 | mail.concurrentcourses.org (pri: 0) |
| TXT | 1 | "v=spf1 a mx ptr include:justhost.com ?a |
| SOA | 1 | ns1.justhost.com root.just2023.justhost. |
AI analysis
concurrentcourses.org is the parent of mail.concurrentcourses.org.
concurrentcourses.org resolves to a single IP: 173.254.28.231.
Other host names, for instance mail.1126fps.com, mail.bolsda.com, copifull.com, mail.mallothi.com and mail.joinvent.com share IP numbers with concurrentcourses.org.
concurrentcourses.org has two name servers: ns1.justhost.com and ns2.justhost.com.
concurrentcourses.org shares the same name server setup as other domains, for example furneuxantiquemaps.com, orlandorealestateappraiser.net, reversegravitygames.com, silverskymarketing.com and gcegroup.net.
concurrentcourses.org shares some name servers with other domains, for instance careernetwork.it, elitweb.com and ester.net.
These name servers are often used together with ns3.pipedns.com, ns1.pipedns.com and ns2.pipedns.com.
Host names with a single IP:
ns1.justhost.com points to 162.159.24.49
ns2.justhost.com points to 162.159.25.241
concurrentcourses.org is handled by a single mail server, mail.concurrentcourses.org.
Host name mail.concurrentcourses.org points to IP 173.254.28.231.