tocourse.com - dns.ninja
tocourse.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 | ns21.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2141::b🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| A | 97.74.100.11🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| NS | ns22.domaincontrol.com | ||||||
| A | 2603:5:2241::b🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| A | 173.201.68.11🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| SOA | ns21.domaincontrol.comdns@jomax.net 2023-09-20 #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=1782672500 | ||||||
Previously MX for
tocourse.com |
Same first word
tocourse.com |
Similar names
DNS History
12 records (4 active, 8 former)
○NSns1.ofook.com2018-07-12 → 2018-07-12 · 3 obs
○ 2020-02-06 06:06:08
○ 2026-06-28 19:11:52
○NSns15.domaincontrol.com2020-02-06 → 2020-02-17 · 5 obs
● 2020-02-06 06:06:08
● 2020-02-17 23:26:26
○ 2026-04-09 15:00:36
○ 2026-06-28 19:11:52
○NSns16.domaincontrol.com2020-02-06 → 2020-02-17 · 5 obs
● 2020-02-06 06:06:08
● 2020-02-17 23:26:26
○ 2026-04-09 15:00:36
○ 2026-06-28 19:11:52
○NSns2.ofook.com2018-07-12 → 2018-07-12 · 3 obs
○ 2020-02-06 06:06:08
○ 2026-06-28 19:11:52
●NSns21.domaincontrol.com2026-04-09 → 2026-06-28 · 3 obs
● 2026-04-09 15:00:36
● 2026-06-28 19:11:52
●NSns22.domaincontrol.com2026-04-09 → 2026-06-28 · 3 obs
● 2026-04-09 15:00:36
● 2026-06-28 19:11:52
○MXtocourse.com2018-07-12 → 2018-07-12 · 3 obs
○ 2020-02-06 06:06:08
○ 2026-06-28 19:11:52
●A15.197.148.332026-04-09 → 2026-06-28 · 3 obs
● 2026-04-09 15:00:36
● 2026-06-28 19:11:52
○A178.63.79.2412018-07-12 → 2018-07-12 · 3 obs
○ 2020-02-06 06:06:08
○ 2026-06-28 19:11:52
○A184.168.221.522020-02-06 → 2020-02-06 · 4 obs
● 2020-02-06 06:06:08
○ 2020-02-17 23:26:26
○ 2026-06-28 19:11:52
○A184.168.221.602020-02-17 → 2020-02-17 · 4 obs
● 2020-02-17 23:26:26
○ 2026-04-09 15:00:36
○ 2026-06-28 19:11:52
●A3.33.130.1902026-04-09 → 2026-06-28 · 3 obs
● 2026-04-09 15:00:36
● 2026-06-28 19:11:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net... | - |
| tocourse.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.68.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tocourse.com (unsigned zone)
⏱️ Timing
Total: 125ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
IP Addresses
tocourse.com resolves to the IP addresses 3.33.130.190 and 15.197.148.33
Additional host names — nomaddonuts.org, integritytech.biz, animalrus.com and two others — share IP numbers with tocourse.com.
Name Servers
tocourse.com is served by two delegated name servers, ns21.domaincontrol.com and ns22.domaincontrol.com.
tocourse.com shares its name server setup with other domains, including vmitra.xyz, wccs.biz, islipterracefd.org and two others.
Each of the two host names carries two IP addresses: ns21.domaincontrol.com points to 97.74.100.11 and 2603:5:2141::b, and ns22.domaincontrol.com points to 173.201.68.11 and 2603:5:2241::b.