instructor.dev - robtex.com
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 |
trutronics.org |
trutronics.us |
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 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
●NSns-cloud-c2.googledomains.com2026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
●NSns-cloud-c3.googledomains.com2026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
●NSns-cloud-c4.googledomains.com2026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
●A198.185.159.1442026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
●A198.185.159.1452026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
●A198.49.23.1442026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
●A198.49.23.1452026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:49:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| instructor.dev | ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com | - |
✅ Authoritative Response
Server:216.239.32.108
NS records: ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instructor.dev (unsigned zone)
⏱️ Timing
Total: 731ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.49.23.145, 198.185.159.144... |
| NS | 4 | ns-cloud-c3.googledomains.com, ns-cloud-c4.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 and two other host names share IP numbers with instructor.dev.
Name Servers
The authoritative name servers for instructor.dev are ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
The name servers of instructor.dev overlap at least partially with those of other domains — among them falseflowers.com, c-sunenterprise.com, invictagardens.net and two more.
Each of the four hosts ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com has two IP addresses. ns-cloud-c1.googledomains.com points to 216.239.32.108 and 2001:4860:4802:32::6c. ns-cloud-c2.googledomains.com points to 216.239.34.108 and 2001:4860:4802:34::6c. ns-cloud-c3.googledomains.com points to 216.239.36.108 and 2001:4860:4802:36::6c. ns-cloud-c4.googledomains.com points to 216.239.38.108 and 2001:4860:4802:38::6c.