coursesail.com - dns.ninja
coursesail.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=1786647939 | ||||||
Same first word
coursesail.com |
Similar names
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assurecoil.com |
curiosales.com |
elcorussia.com |
sailsource.com |
assurecoil.net |
assurecoil.info |
assurecoil.tv |
DNS History
10 records (6 active, 4 former)
●NSdns1.namecheaphosting.com2026-02-22 → 2026-08-13 · 3 obs
● 2026-02-22 15:56:18
● 2026-08-13 19:26:48
●NSdns2.namecheaphosting.com2026-02-22 → 2026-08-13 · 3 obs
● 2026-02-22 15:56:18
● 2026-08-13 19:26:48
○NSdns3.hichina.com2018-09-22 → 2018-09-22 · 3 obs
○ 2026-02-22 15:56:18
○ 2026-08-13 19:26:48
○NSdns4.hichina.com2018-09-22 → 2018-09-22 · 3 obs
○ 2026-02-22 15:56:18
○ 2026-08-13 19:26:48
●MXmx1-hosting.jellyfish.systems2026-02-22 → 2026-08-13 · 2 obs
● 2026-08-13 19:26:48
●MXmx2-hosting.jellyfish.systems2026-02-22 → 2026-08-13 · 2 obs
● 2026-08-13 19:26:48
●MXmx3-hosting.jellyfish.systems2026-02-22 → 2026-08-13 · 2 obs
● 2026-08-13 19:26:48
○A198.187.29.2202026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 15:56:18
○ 2026-08-13 19:26:48
○A47.99.115.1432018-09-22 → 2018-09-22 · 3 obs
○ 2026-02-22 15:56:18
○ 2026-08-13 19:26:48
●A68.65.121.1802026-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 19:26:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net... | - |
| coursesail.com | dns1.namecheaphosting.com, dns2.namecheaphosting.com | 4 records |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.namecheaphosting.com, dns2.namecheaphosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursesail.com (unsigned zone)
⏱️ Timing
Total: 262ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 68.65.121.180 |
| 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 +ip4:68.65.121.174 include |
| SOA | 1 | dns1.namecheaphosting.com cpanel.tech.na |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.namecheaphosting.com, dns1.namecheaphosting.com, dns2.namecheaphosting.com...)
Analysis
IP Addresses
coursesail.com has exactly one IP address — 68.65.121.180.
crucialdynamics.com, coworkinglawyer.com, neuromath.com.sg plus two other host names have IP numbers in common with coursesail.com.
Name Servers
coursesail.com is delegated to two name servers: dns1.namecheaphosting.com and dns2.namecheaphosting.com.
The name server configuration of coursesail.com is shared with other domains, for instance seedhunters.org, russian-diplomas.com, danparmele.us and two others.
At least some of coursesail.com's name servers are shared with other domains, for example top77new.com, zskdigitizers.com, ministareg.com and two more.
It is common for these name servers to be used in conjunction with the name servers dns1.web-hosting.com, dns1.registrar-servers.com and dns2.registrar-servers.com.
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
The MX records for coursesail.com list three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.
At least some of the mail servers used by coursesail.com are shared with other domains: rajvinayakhospital.com, e-corl.com, idikabklungkung.org and two others among them.
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.