coursecentral.org - robtex.com
coursecentral.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953 | ||||||
Same first word
coursecentral.org |
Similar names
DNS History
8 records (8 active, 0 former)
●NSdns1.registrar-servers.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
●NSdns2.registrar-servers.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
●MXeforward1.registrar-servers.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
●MXeforward2.registrar-servers.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
●MXeforward3.registrar-servers.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
●MXeforward4.registrar-servers.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
●MXeforward5.registrar-servers.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
●A192.64.119.2462026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 00:57:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| coursecentral.org | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursecentral.org (unsigned zone)
⏱️ Timing
Total: 438ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.64.119.246 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
coursecentral.org points to IP number 192.64.119.246.
For instance, other host names dineres.net, dsm.rent, crpt.me, imprion.cloud and authenticmarketingtips.com share IP numbers with coursecentral.org.
Name Servers
coursecentral.org is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
coursecentral.org uses the same name server setup as other domains such as discountbarcelonahotels.net, calspasrockford.com, guiadeingreso.com, rpa-star.com and apk25.store.
coursecentral.org shares name servers with other domains at least partially, for example avecaisa.com.ve.
Host names with two IP numbers:
dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.
Mail Servers
Five mail servers handle coursecentral.org: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.
coursecentral.org shares mail servers with other domains at least partially; for instance baseballisbeautiful.com, renedescartes.net, youwilllikeit.com, mdoncommand.com and nekomancer.net.
these mail servers are commonly used alongside eforward6.registrar-servers.com and eforward7.registrar-servers.com.
Host names with a single IP:
eforward1.registrar-servers.com points to: 162.255.118.51.
eforward2.registrar-servers.com points to: 162.255.118.52.
eforward3.registrar-servers.com points to: 162.255.118.51.
eforward4.registrar-servers.com points to: 162.255.118.52.
eforward5.registrar-servers.com points to: 162.255.118.51.
Host names that point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.
Host names that point to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com.