instructor.dev - dns.ninja
instructor.dev
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
rontcurtis.com |
trutronics.com |
ironstruct.com |
trustronic.ca |
trutronics.org |
insturctor.com |
structiron.com |
trutronics.us |
trustorinc.com |
ironstruct.kz |
incortrust.com |
roinstruct.com |
trustronic.com |
strincourt.com |
Previous names
Next names
DNS History
8 records (8 active, 0 former)
●NSns-cloud-c1.googledomains.com2026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
●NSns-cloud-c2.googledomains.com2026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
●NSns-cloud-c3.googledomains.com2026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
●NSns-cloud-c4.googledomains.com2026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
●A198.185.159.1442026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
●A198.185.159.1452026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
●A198.49.23.1442026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
●A198.49.23.1452026-09-07 → 2026-10-19 · 2 obs
● 2026-10-19 20:16:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| instructor.dev | ns-cloud-c4.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c1.googledomains.com | - |
✅ Authoritative Response
Server:216.239.38.108
NS records: ns-cloud-c4.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c1.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instructor.dev (unsigned zone)
⏱️ Timing
Total: 1383ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.49.23.144, 198.185.159.144... |
| NS | 4 | ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com... |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2", |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
Analysis
IP Addresses
instructor.dev points to the four IP addresses 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
pawsandclawspetscare.com, joincrowd.org, livesouthbay.com plus two other host names have IP numbers in common with instructor.dev.
Name Servers
Four name servers handle the delegation for instructor.dev: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
There is at least partial name server overlap between instructor.dev and other domains — falseflowers.com, c-sunenterprise.com, invictagardens.net and two more among them.
All four hostnames — ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-c1.googledomains.com to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com to 216.239.38.108 and 2001:4860:4802:38::6c.