courseboss.com - robtex.com
courseboss.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns71.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2194::2e🇺🇸 GODADDY-DNS2603:5:2190::/44 | ||||||
| PTR | ns71.domaincontrol.com | ||||||
| A | 97.74.105.46🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns71.domaincontrol.com | ||||||
| NS | ns72.domaincontrol.com | ||||||
| A | 2603:5:2294::2e🇺🇸 GODADDY-DNS2603:5:2290::/44 | ||||||
| PTR | ns72.domaincontrol.com | ||||||
| A | 173.201.73.46🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns72.domaincontrol.com | ||||||
| MX | courseboss-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| TXT | v=verifydomain MS=3751969 | ||||||
| SOA | ns71.domaincontrol.comdns@jomax.net 2023-09-19 #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=1774422097 | ||||||
Same first word
courseboss.com |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns71.domaincontrol.com2015-06-10 → 2026-03-25 · 2 obs
● 2026-03-25 07:09:38
●NSns72.domaincontrol.com2015-06-10 → 2026-03-25 · 2 obs
● 2026-03-25 07:09:38
●MXcourseboss-com.mail.protection.outlook.com2015-06-10 → 2026-03-25 · 2 obs
● 2026-03-25 07:09:38
●A15.197.148.332026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 07:09:38
●A3.33.130.1902026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 07:09:38
○A50.63.202.472015-06-10 → 2017-11-29 · 3 obs
● 2017-11-29 00:07:06
○ 2026-03-25 07:09:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| courseboss.com | ns71.domaincontrol.com, ns72.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.105.46
NS records: ns71.domaincontrol.com, ns72.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseboss.com (unsigned zone)
⏱️ Timing
Total: 156ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns71.domaincontrol.com, ns72.domaincontrol.com |
| MX | 1 | courseboss-com.mail.protection.outlook.c |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, v=verifydomain MS=3751969 |
| SOA | 1 | ns71.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns71.domaincontrol.com, ns71.domaincontrol.com, ns72.domaincontrol.com...)
Analysis
IP Addresses
courseboss.com points to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names, for instance kelliskinner.mobi, digitalharvestcapital.org, safeindia.org, bcityh.com and climateactionreserve.ca share IP numbers with courseboss.com.
Name Servers
Delegation for courseboss.com rests with two name servers, ns71.domaincontrol.com and ns72.domaincontrol.com.
courseboss.com shares the same name server setup as other domains, including michaelfglass.com, helvana.com, thepurpleinkstudio.com, russrudduck.com and loshofman.com.
Host names with two IP numbers: ns71.domaincontrol.com points to 2603:5:2194::2e and 97.74.105.46; ns72.domaincontrol.com points to 2603:5:2294::2e and 173.201.73.46.
Mail Servers
courseboss.com is handled by a single mail server, courseboss-com.mail.protection.outlook.com.