bookstack.com - robtex.com
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bookstack.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-east.cerf.net⚠️ | ||||||
| A | 2001:1890:1ff:9f1:99:99:99:136🇺🇸 AS7018 | ||||||
| PTR | ns-east.cerf.net | ||||||
| A | 99.99.99.136🇺🇸 AS7018 | ||||||
| PTR | ns-east.cerf.net | ||||||
| NS | ns-west.cerf.net⚠️ | ||||||
| A | 2001:1890:1ff:9f0:68:94:156:136🇺🇸 AS7018 | ||||||
| PTR | ns-west.cerf.net | ||||||
| A | 68.94.156.136🇺🇸 AS7018 | ||||||
| PTR | ns-west.cerf.net | ||||||
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=1770818802 | ||||||
Same first word
bookstack.cn |
bookstack.org |
bookstack.co |
bookstack.ru |
bookstack.io |
bookstack.dev |
bookstack.in |
bookstack.com |
bookstack.net |
bookstack.info |
bookstack.jp |
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bookstack.com | ns-east.cerf.net, ns-west.cerf.net | - |
✅ Authoritative Response
Server: 68.94.156.136
NS records: ns-east.cerf.net, ns-west.cerf.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bookstack.com (unsigned zone)
⏱️ Timing
Total: 339ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
AI analysis
bookstack.com is delegated to two name servers: ns-east.cerf.net and ns-west.cerf.net.
bookstack.com uses the same name server setup as other domains, for instance 110.240.63.in-addr.arpa, 19.17.206.in-addr.arpa, 60.148.216.in-addr.arpa, nyc.attens.net and 13.252.207.in-addr.arpa.
bookstack.com shares name servers with other domains at least partially, for instance logout.com, uptodateonline.com, kohler.com, 194.158.36.12.in-addr.arpa and americanclubresort.com.
these name servers are commonly used with the name servers ns1.sbcidc.com, ns2.sbcidc.com, ns1.attemea.net, ns2.attemea.net, ns3.attemea.net, ns4.attemea.net, ns1.usi.net, ns2.usi.net, ns3.usi.net and ns4.usi.net.
Host names with two IP numbers:
The host ns-east.cerf.net points to 2001:1890:1ff:9f1:99:99:99:136 and 99.99.99.136.
The host ns-west.cerf.net points to 2001:1890:1ff:9f0:68:94:156:136 and 68.94.156.136.