extensionbook.com - robtex.com
extensionbook.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=1774505977 | ||||||
Same first word
extensionbook.com |
extensionbook.org |
DNS History
2 records (2 active, 0 former)
●NSfiona.ns.cloudflare.com2026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 06:45:30
●NSjimmy.ns.cloudflare.com2026-03-19 → 2026-03-26 · 2 obs
● 2026-03-26 06:45:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| extensionbook.com | fiona.ns.cloudflare.com, jimmy.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.76
NS records: fiona.ns.cloudflare.com, jimmy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extensionbook.com (unsigned zone)
⏱️ Timing
Total: 114ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | fiona.ns.cloudflare.com, jimmy.ns.cloudflare.com |
| SOA | 1 | fiona.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (fiona.ns.cloudflare.com, fiona.ns.cloudflare.com, fiona.ns.cloudflare.com...)
Analysis
Name Servers
extensionbook.com is delegated to two name servers: fiona.ns.cloudflare.com and jimmy.ns.cloudflare.com.
extensionbook.com uses the same name server setup as other domains, for instance pcbrain.it, bits.com.tr, damianobrigo.it, kunalabs.io and insiconnect.com.
extensionbook.com shares name servers with other domains at least partially, for instance kyototomantap.lol, gfx5.com, ilzkccm.cn, luckology.com and gan89.site.
these name servers are commonly used together with clara.ns.cloudflare.com and bella.ns.cloudflare.com.
Host names with six IP numbers: fiona.ns.cloudflare.com points to 2606:4700:50::adf5:3a9d, 2803:f800:50::6ca2:c09d, 2a06:98c1:50::ac40:209d, 108.162.192.157, 172.64.32.157 and 173.245.58.157; jimmy.ns.cloudflare.com points to 2606:4700:58::a29f:2c4c, 2803:f800:50::6ca2:c34c, 2a06:98c1:50::ac40:234c, 108.162.195.76, 162.159.44.76 and 172.64.35.76.