courselord.com - robtex.com
courselord.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 206.72.207.250🇺🇸 NJIIX-1206.72.192.0/20 Proxy by NJIIX.NET | ||||||
| PTR | da700.is.cc | ||||||
| NS | da700a.trouble-free.net ⭐ | ||||||
| A | 206.72.207.251🇺🇸 NJIIX-1206.72.192.0/20 Proxy by NJIIX.NET | ||||||
| NS | da700b.trouble-free.net | ||||||
| A | 206.72.207.252🇺🇸 NJIIX-1206.72.192.0/20 Proxy by NJIIX.NET | ||||||
| MX | courselord.com ⭐ | ||||||
| A | 206.72.207.250🇺🇸 NJIIX-1206.72.192.0/20 Proxy by NJIIX.NET | ||||||
| PTR | da700.is.cc | ||||||
| TXT | google-site-verification=K9w-T-TQEZ1vu2PraONtZ4QydCexb0HXE6qhfkJW1jQ | ||||||
| TXT | v=spf1 a mx ip4:206.72.207.250 include:relay.mailbaby.net ~all | ||||||
| SOA | da700a.trouble-free.netnot-monitored-email@interserver.net 2026-03-21 #0 | ||||||
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=1774667812 | ||||||
MX for
courselord.com |
Subdomains
mail.courselord.com |
Same first word
courselord.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSda700a.trouble-free.net2026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 06:54:32
● 2026-03-28 03:38:38
●NSda700b.trouble-free.net2026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 06:54:32
● 2026-03-28 03:38:38
○NSdns1.namecheaphosting.com2018-05-29 → 2018-05-29 · 3 obs
○ 2026-02-20 06:54:32
○ 2026-03-28 03:38:38
○NSdns2.namecheaphosting.com2018-05-29 → 2018-05-29 · 3 obs
○ 2026-02-20 06:54:32
○ 2026-03-28 03:38:38
●MXcourselord.com2026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 06:54:32
● 2026-03-28 03:38:38
○MXmail.courselord.com2018-05-29 → 2018-05-29 · 3 obs
○ 2026-02-20 06:54:32
○ 2026-03-28 03:38:38
○A198.54.116.1902018-05-29 → 2018-05-29 · 3 obs
○ 2026-02-20 06:54:32
○ 2026-03-28 03:38:38
●A206.72.207.2502026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 06:54:32
● 2026-03-28 03:38:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| courselord.com | da700a.trouble-free.net, da700b.trouble-free.net | - |
✅ Authoritative Response
Server:206.72.207.252
NS records: da700a.trouble-free.net, da700b.trouble-free.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courselord.com (unsigned zone)
⏱️ Timing
Total: 223ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 206.72.207.250 |
| NS | 2 | da700b.trouble-free.net, da700a.trouble-free.net |
| MX | 1 | courselord.com (pri: 0) |
| TXT | 2 | google-site-verification=K9w-T-TQEZ1vu2P, v=spf1 a mx ip4:206.72.207.250 include:r |
| SOA | 1 | da700a.trouble-free.net not-monitored-em |
Analysis
Hierarchy
courselord.com is a parent of mail.courselord.com.
Mail Server Role
courselord.com serves as the mail server for courselord.com.
IP Addresses
courselord.com points to a single IP address: 206.72.207.250.
Other host names such as da700.is.cc, canakids.edu.do and wam-corp.com share IP numbers with courselord.com.
Name Servers
courselord.com is delegated to two name servers: da700a.trouble-free.net and da700b.trouble-free.net.
courselord.com uses the same name server setup as other domains, including sbccm.com, plasmashow.com, easywebsite.ltd, diaapress.com and elgabalawy.com.
Hostnames with a single IP
da700a.trouble-free.net resolves to: 206.72.207.251.
da700b.trouble-free.net resolves to: 206.72.207.252.
Mail Servers
Mail for courselord.com is handled by a single mail server, courselord.com.
Host courselord.com points to IP 206.72.207.250.