coursespeak.com - robtex.com
coursespeak.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24 | ||||||
| PTR | cdn-185-199-108-153.github.com | ||||||
| A | 185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24 | ||||||
| A | 185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24 | ||||||
| A | 185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24 | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| MX | eforward1.registrar-servers.com ⭐ | ||||||
| A | 162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward2.registrar-servers.com ⭐ | ||||||
| A | 162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward3.registrar-servers.com ⭐ | ||||||
| A | 162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward4.registrar-servers.com(15) | ||||||
| A | 162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward5.registrar-servers.com(20) | ||||||
| A | 162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| TXT | v=spf1 include:spf.efwd.registrar-servers.com ~all | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1765838534 | ||||||
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=1778465366 | ||||||
Same first word
coursespeak.com |
Similar names
DNS History
11 records (11 active, 0 former)
●NSdns1.registrar-servers.com2026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●NSdns2.registrar-servers.com2026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●MXeforward1.registrar-servers.com2026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●MXeforward2.registrar-servers.com2026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●MXeforward3.registrar-servers.com2026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●MXeforward4.registrar-servers.com2026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●MXeforward5.registrar-servers.com2026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●A185.199.108.1532026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●A185.199.109.1532026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●A185.199.110.1532026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
●A185.199.111.1532026-03-05 → 2026-05-11 · 2 obs
● 2026-05-11 02:39:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| coursespeak.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursespeak.com (unsigned zone)
⏱️ Timing
Total: 325ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.109.153, 185.199.110.153... |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
coursespeak.com maps to four IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.
Name Servers
Two name servers dns1.registrar-servers.com and dns2.registrar-servers.com handle the delegation for coursespeak.com.
Host names with two IP numbers:
dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200.
dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.
Mail Servers
coursespeak.com is served by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.
Host names with one IP number:
The host name eforward1.registrar-servers.com points to: 162.255.118.51.
The host name eforward2.registrar-servers.com points to: 162.255.118.52.
The host name eforward3.registrar-servers.com points to: 162.255.118.51.
The host name eforward4.registrar-servers.com points to: 162.255.118.52.
The host name eforward5.registrar-servers.com points to: 162.255.118.51.
Host names that point to 162.255.118.51 : eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.
Host names that point to 162.255.118.52 : eforward2.registrar-servers.com and eforward4.registrar-servers.com.