courseboat.com - robtex.com
courseboat.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.29.141.39🇺🇸 NAMCHEAP-PH66.29.141.0/24 | ||||||
| PTR | premium213-1.web-hosting.com | ||||||
| NS | dns1.namecheaphosting.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| NS | dns2.namecheaphosting.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| MX | mail.courseboat.com ⭐ | ||||||
| A | 66.29.141.39🇺🇸 NAMCHEAP-PH66.29.141.0/24 | ||||||
| PTR | premium213-1.web-hosting.com | ||||||
| TXT | v=spf1 +a +mx +ip4:66.29.141.38 include:spf.web-hosting.com ~all | ||||||
| SOA | dns1.namecheaphosting.comcpanel@tech.namecheap.com serial=1749871094 | ||||||
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=1774369342 | ||||||
Subdomains
mail.courseboat.com |
Same first word
courseboat.com |
Similar names
sourceboat.com |
cubatesoro.com |
boatcourse.com |
aboutscore.com |
aescurobot.com |
tubosacero.com |
scerboauto.com |
tresaocubo.com |
boatsource.net |
brootcause.com |
robotsauce.com |
DNS History
12 records (4 active, 8 former)
●NSdns1.namecheaphosting.com2026-03-15 → 2026-03-24 · 3 obs
● 2026-03-15 01:24:30
● 2026-03-24 16:29:36
●NSdns2.namecheaphosting.com2026-03-15 → 2026-03-24 · 3 obs
● 2026-03-15 01:24:30
● 2026-03-24 16:29:36
○NSns1.mdnsservice.com2015-06-17 → 2015-06-17 · 3 obs
○ 2015-11-07 02:21:48
○ 2026-03-24 16:29:36
○NSns1.renewyourname.net2015-11-07 → 2015-11-07 · 4 obs
● 2015-11-07 02:21:48
○ 2016-01-22 22:20:02
○ 2026-03-24 16:29:36
○NSns2.mdnsservice.com2015-06-17 → 2015-06-17 · 3 obs
○ 2015-11-07 02:21:48
○ 2026-03-24 16:29:36
○NSns2.renewyourname.net2015-11-07 → 2015-11-07 · 4 obs
● 2015-11-07 02:21:48
○ 2016-01-22 22:20:02
○ 2026-03-24 16:29:36
○NSns3.mdnsservice.com2015-06-17 → 2015-06-17 · 3 obs
○ 2015-11-07 02:21:48
○ 2026-03-24 16:29:36
○MXinbound.homesteadmail.com2015-06-17 → 2015-06-17 · 3 obs
○ 2015-11-07 02:21:48
○ 2026-03-24 16:29:36
●MXmail.courseboat.com2026-03-15 → 2026-03-24 · 3 obs
● 2026-03-15 01:24:30
● 2026-03-24 16:29:36
○A176.74.176.1842015-11-07 → 2015-11-07 · 4 obs
● 2015-11-07 02:21:48
○ 2016-01-22 22:20:02
○ 2026-03-24 16:29:36
○A216.40.47.172015-06-17 → 2015-06-17 · 3 obs
○ 2015-11-07 02:21:48
○ 2026-03-24 16:29:36
●A66.29.141.392026-03-15 → 2026-03-24 · 3 obs
● 2026-03-15 01:24:30
● 2026-03-24 16:29:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| courseboat.com | dns1.namecheaphosting.com, dns2.namecheaphosting.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.namecheaphosting.com, dns2.namecheaphosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseboat.com (unsigned zone)
⏱️ Timing
Total: 144ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.29.141.39 |
| NS | 2 | dns1.namecheaphosting.com, dns2.namecheaphosting.com |
| MX | 1 | mail.courseboat.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:66.29.141.38 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
Hierarchy
courseboat.com is the parent of mail.courseboat.com.
IP Addresses
courseboat.com resolves to a single IP address: 66.29.141.39.
Other host names including 4support.org, mail.calvante.com, trustedbar.com, hotelmestre.com and aaronjen.org share IP numbers with courseboat.com.
Name Servers
courseboat.com's delegation uses two name servers, dns1.namecheaphosting.com and dns2.namecheaphosting.com.
courseboat.com shares the same name server setup as other domains, for example rb87.net, findcar.info, unitedglobal.in, adsyellowpages.com and office-archive.com.
courseboat.com shares some name servers with other domains, such as giftin.pk, sonra.ca, cagmain.com and highclassfacilities.com.
These name servers are often used together with dns1.web-hosting.com.
Host names with two IPs:
dns1.namecheaphosting.com points to: 2610:a1:1024::200 and 156.154.132.200
dns2.namecheaphosting.com points to: 2610:a1:1025::200 and 156.154.133.200
Mail Servers
courseboat.com is handled by a single mail server, mail.courseboat.com.
mail.courseboat.com points to a single IP: 66.29.141.39.