sidcourse.com - dns.ninja
sidcourse.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=1780867986 | ||||||
Same first word
sidcourse.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSns-cloud-c1.googledomains.com2026-03-01 → 2026-06-07 · 3 obs
● 2026-03-01 21:36:28
● 2026-06-07 21:52:46
●NSns-cloud-c2.googledomains.com2026-03-01 → 2026-06-07 · 3 obs
● 2026-03-01 21:36:28
● 2026-06-07 21:52:46
●NSns-cloud-c3.googledomains.com2026-03-01 → 2026-06-07 · 3 obs
● 2026-03-01 21:36:28
● 2026-06-07 21:52:46
●NSns-cloud-c4.googledomains.com2026-03-01 → 2026-06-07 · 3 obs
● 2026-03-01 21:36:28
● 2026-06-07 21:52:46
○NSns1.digitalocean.com2017-08-10 → 2017-08-10 · 3 obs
○ 2026-03-01 21:36:28
○ 2026-06-07 21:52:46
○NSns2.digitalocean.com2017-08-10 → 2017-08-10 · 3 obs
○ 2026-03-01 21:36:28
○ 2026-06-07 21:52:46
○NSns3.digitalocean.com2017-08-10 → 2017-08-10 · 3 obs
○ 2026-03-01 21:36:28
○ 2026-06-07 21:52:46
○A138.68.138.2002017-08-10 → 2017-08-10 · 3 obs
○ 2026-03-01 21:36:28
○ 2026-06-07 21:52:46
●A65.21.111.1832026-03-01 → 2026-06-07 · 3 obs
● 2026-03-01 21:36:28
● 2026-06-07 21:52:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| sidcourse.com | ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.36.108
NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 587ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 65.21.111.183 |
| NS | 4 | ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com... |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)
Analysis
IP Addresses
sidcourse.com resolves to just one IP address, 65.21.111.183.
Among others, joshscarbrough.com, beautonkin.com, static.183.111.21.65.clients.your-server.de and heatherandjeffbrown.com resolve to the same IP numbers as sidcourse.com.
Name Servers
sidcourse.com is served by 4 authoritative name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
sidcourse.com has at least partial name server overlap with other domains, such as psclongisland.com, uwstream.com, jcpal.org and two others.
ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com all point to exactly two IP numbers each: ns-cloud-c1.googledomains.com → 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com → 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com → 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com → 216.239.38.108 and 2001:4860:4802:38::6c.