classgradebook.com - robtex.com
classgradebook.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=1771291435 | ||||||
Same first word
classgradebook.com |
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| classgradebook.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:216.239.32.108
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: 444ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.49.23.145, 198.185.159.144... |
| NS | 4 | ns-cloud-c4.googledomains.com, ns-cloud-c3.googledomains.com... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2", |
| 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
Four IP numbers are pointed to by classgradebook.com: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
other host names including push-pull.org, giving.kabbalah.com, sandiegoprivatetutors.com, seattlefarmersmarkets.org and doon.nu share IP numbers with classgradebook.com.
Name Servers
classgradebook.com is delegated to four name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
classgradebook.com at least partially shares name servers with other domains, for instance gshouse.org, ypaglobal.com, golfmerica.com, voodoovanguard.com and sceane.fr.
Host names with two IP numbers:
ns-cloud-c1.googledomains.com points to 2001:4860:4802:32::6c and 216.239.32.108; ns-cloud-c2.googledomains.com points to 2001:4860:4802:34::6c and 216.239.34.108; ns-cloud-c3.googledomains.com points to 2001:4860:4802:36::6c and 216.239.36.108; ns-cloud-c4.googledomains.com points to 2001:4860:4802:38::6c and 216.239.38.108.