otcourses.com - robtex.com
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otcourses.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=1769758424 | ||||||
Same first word
otcourses.com |
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| otcourses.com | lucy.ns.cloudflare.com, rob.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.193.140
NS records: lucy.ns.cloudflare.com, rob.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for otcourses.com (unsigned zone)
⏱️ Timing
Total: 20ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.182.129, 104.21.51.159 |
| AAAA | 2 | 2606:4700:3031::ac43:b681, 2606:4700:3032::6815:339f |
| NS | 2 | lucy.ns.cloudflare.com, rob.ns.cloudflare.com |
| MX | 2 | mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20) |
| TXT | 5 | MS=ms79851553, _globalsign-domain-verification=fDQG3Ao6... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | lucy.ns.cloudflare.com dns.cloudflare.co |
AI analysis
otcourses.com points to four IP numbers: 2606:4700:3031::ac43:b681, 2606:4700:3032::6815:339f, 104.21.51.159 and 172.67.182.129.
Other host names, for instance relay.cybernet-ag.de, apeltrath-gw.leased-line.cybernet-ag.de, www.berceli.com, ums-bl-net.leased-line.cybernet-ag.de and desktop-net.sdsl.cybernet-ag.de share IP numbers with otcourses.com.
otcourses.com's delegation is to two name servers lucy.ns.cloudflare.com and rob.ns.cloudflare.com.
otcourses.com shares the same name server configuration as other domains, such as strober.com.au, taichinhkhoale.vn, dorisuhlich.at, guler.kim and fapmu.com.
otcourses.com at least partially shares its name servers with other domains, for instance kopens.com, cagdasform.com, missdv.ru, qualitymuseum.com and gea.ba.
Host names with six IP numbers:
lucy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a85, 2803:f800:50::6ca2:c085, 2a06:98c1:50::ac40:2085, 108.162.192.133, 172.64.32.133 and 173.245.58.133.
rob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:218c, 108.162.193.140, 172.64.33.140 and 173.245.59.140.
Two mail servers mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com handle otcourses.com.
otcourses.com uses the same mail server setup as other domains such as fedfirm.com, neosemic.com, digestiondoctor.com, mypcreports.com and coloh2.com.
otcourses.com shares at least partially some mail servers with other domains, for example silmarelectronics.com, tribaja.co, calibermetalbuildings.com and softservefruit.com.
Host names with two IP numbers: mx1-us1.ppe-hosted.com points to 67.231.154.162 and 148.163.129.50; mx2-us1.ppe-hosted.com points to 67.231.154.163 and 148.163.129.51