webcourses.us - dns.ninja
webcourses.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1785387797 | ||||||
Same first word
webcourses.tv |
webcourses.net |
webcourses.de |
webcourses.ca |
webcourses.us |
webcourses.nz |
webcourses.com |
webcourses.gr |
webcourses.ie |
Similar names
sourcesweb.com |
sourcewebs.com |
websources.com |
coursesweb.net |
websources.ru |
websources.net |
coursesweb.com |
coursewebs.com |
DNS History
24 records (6 active, 18 former)
○NSarvind.ns.cloudflare.com2021-05-10 → 2021-05-10 · 3 obs
○ 2026-05-20 13:13:52
○ 2026-07-30 05:12:50
●NSdns1.namecheaphosting.com2026-06-07 → 2026-07-30 · 3 obs
● 2026-06-07 19:03:24
● 2026-07-30 05:12:50
○NSdns1.registrar-servers.com2026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
●NSdns2.namecheaphosting.com2026-06-07 → 2026-07-30 · 3 obs
● 2026-06-07 19:03:24
● 2026-07-30 05:12:50
○NSdns2.registrar-servers.com2026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
○NSgloria.ns.cloudflare.com2021-05-10 → 2021-05-10 · 3 obs
○ 2026-05-20 13:13:52
○ 2026-07-30 05:12:50
○NSns1.koaladns.com2026-05-20 → 2026-07-30 · 2 obs
○ 2026-07-30 05:12:50
○NSns2.koaladns.com2026-05-20 → 2026-07-30 · 2 obs
○ 2026-07-30 05:12:50
○MXdc-c8e2643af247.webcourses.us2021-05-10 → 2021-05-10 · 3 obs
○ 2026-05-20 13:13:52
○ 2026-07-30 05:12:50
○MXeforward1.registrar-servers.com2026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
○MXeforward2.registrar-servers.com2026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
○MXeforward3.registrar-servers.com2026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
○MXeforward4.registrar-servers.com2026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
○MXeforward5.registrar-servers.com2026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
●MXmx1-hosting.jellyfish.systems2026-06-07 → 2026-07-30 · 3 obs
● 2026-06-07 19:03:24
● 2026-07-30 05:12:50
●MXmx2-hosting.jellyfish.systems2026-06-07 → 2026-07-30 · 3 obs
● 2026-06-07 19:03:24
● 2026-07-30 05:12:50
●MXmx3-hosting.jellyfish.systems2026-06-07 → 2026-07-30 · 3 obs
● 2026-06-07 19:03:24
● 2026-07-30 05:12:50
○A104.21.87.442021-05-10 → 2021-05-10 · 3 obs
○ 2026-05-20 13:13:52
○ 2026-07-30 05:12:50
○A162.255.119.2042026-05-20 → 2026-05-20 · 4 obs
● 2026-05-20 13:13:52
○ 2026-06-07 19:03:24
○ 2026-07-30 05:12:50
○A172.67.141.862021-05-10 → 2021-05-10 · 3 obs
○ 2026-05-20 13:13:52
○ 2026-07-30 05:12:50
●A198.54.121.1362026-06-07 → 2026-07-30 · 3 obs
● 2026-06-07 19:03:24
● 2026-07-30 05:12:50
○A2606:4700:3030::ac43:8d562021-05-10 → 2021-05-10 · 3 obs
○ 2026-05-20 13:13:52
○ 2026-07-30 05:12:50
○A2606:4700:3033::6815:572c2021-05-10 → 2021-05-10 · 3 obs
○ 2026-05-20 13:13:52
○ 2026-07-30 05:12:50
○A37.48.77.792026-05-20 → 2026-07-30 · 2 obs
○ 2026-07-30 05:12:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | w.cctld.us, f.cctld.us, m.cctld.us, x.cctld.us... | - |
| webcourses.us | dns2.namecheaphosting.com, dns1.namecheaphosting.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns2.namecheaphosting.com, dns1.namecheaphosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for webcourses.us (unsigned zone)
⏱️ Timing
Total: 688ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.54.121.136 |
| NS | 2 | dns1.namecheaphosting.com, dns2.namecheaphosting.com |
| MX | 3 | mx1-hosting.jellyfish.systems (pri: 5), mx2-hosting.jellyfish.systems (pri: 10)... |
| TXT | 1 | v=spf1 +a +mx +ip4:198.54.119.81 include |
| SOA | 1 | dns1.namecheaphosting.com cpanel.tech.na |
Analysis
IP Addresses
webcourses.us resolves to one IP address: 198.54.121.136.
carwyze.com, fustest.com, tokyo-outlet.biz and two other host names share IP numbers with webcourses.us.
Name Servers
webcourses.us is delegated to two name servers: dns1.namecheaphosting.com and dns2.namecheaphosting.com.
webcourses.us uses the same name servers as several other domains — among them pejuang-jitu.io, molanyo.com, eurobasis.com and two more.
webcourses.us partially shares its name servers with domains like zarephathcare.com and nexusrobotic.net.
These name servers are regularly seen alongside dns1.registrar-servers.com and dns2.registrar-servers.com as name servers.
dns1.namecheaphosting.com and dns2.namecheaphosting.com each resolve to two IP addresses: dns1.namecheaphosting.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.namecheaphosting.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
webcourses.us uses three mail servers — mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.
webcourses.us has at least partial mail server overlap with other domains such as thecasinopokar.com, haldoornews.com, gacha.biz and two more.
mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems each resolve to a single IP address: mx1-hosting.jellyfish.systems resolves to 162.255.118.28, mx2-hosting.jellyfish.systems resolves to 162.255.118.29 and mx3-hosting.jellyfish.systems resolves to 162.255.118.13.