coursecoder.com - dns.ninja
coursecoder.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=1782844426 | ||||||
Subdomains
mail.coursecoder.com |
Same first word
coursecoder.com |
Similar names
DNS History
12 records (8 active, 4 former)
●NSdns1.registrar-servers.com2026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
●NSdns2.registrar-servers.com2026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
○NSns1.bluehost.com2016-12-17 → 2016-12-17 · 3 obs
○ 2026-03-30 03:17:34
○ 2026-06-30 18:37:44
○NSns2.bluehost.com2016-12-17 → 2016-12-17 · 3 obs
○ 2026-03-30 03:17:34
○ 2026-06-30 18:37:44
○MXmail.coursecoder.com2016-12-17 → 2016-12-17 · 3 obs
○ 2026-03-30 03:17:34
○ 2026-06-30 18:37:44
●MXmx1.privateemail.com2026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
●MXmx2.privateemail.com2026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
○A104.131.56.1672016-12-17 → 2016-12-17 · 3 obs
○ 2026-03-30 03:17:34
○ 2026-06-30 18:37:44
●A185.199.108.1532026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
●A185.199.109.1532026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
●A185.199.110.1532026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
●A185.199.111.1532026-03-30 → 2026-06-30 · 3 obs
● 2026-03-30 03:17:34
● 2026-06-30 18:37:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net... | - |
| coursecoder.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursecoder.com (unsigned zone)
⏱️ Timing
Total: 201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.109.153, 185.199.111.153... |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 2 | mx1.privateemail.com (pri: 10), mx2.privateemail.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.privateemail.com ~all |
| 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
Hierarchy
coursecoder.com is a parent domain of mail.coursecoder.com.
IP Addresses
coursecoder.com resolves to four IP addresses: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.
tonebase.github.io, harveylab.github.io, rhym.github.io plus two other host names have IP numbers in common with coursecoder.com.
Name Servers
The NS records for coursecoder.com delegate to dns1.registrar-servers.com and dns2.registrar-servers.com.
The name server configuration of coursecoder.com is shared with other domains, for instance ardonshomedecor.com, hoardhabit.com, halaine.com and two others.
coursecoder.com shares at least some of its name servers with domains including juzdo.com, openkeg.com and andyviano.com
These name servers are frequently paired with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200. Likewise, dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200 — two IP addresses apiece.
Mail Servers
coursecoder.com uses two mail servers, mx1.privateemail.com and mx2.privateemail.com.
The mail server setup of coursecoder.com matches that of other domains such as cybermarketingsolutions.com, seocave.com, nairobieventsguide.com and two others.
coursecoder.com shares at least some of its mail servers with other domains, such as veogeneration.com and plus4.co.
mx1.privateemail.com and mx2.privateemail.com each resolve to one IP number: mx1.privateemail.com points to 162.255.118.7 and mx2.privateemail.com points to 162.255.118.8.