book2.app - robtex.com
book2.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.99.15.154🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns513374.ip-192-99-15.net | ||||||
| NS | ns11.ipsilondev.com ⭐ | ||||||
| A | 192.99.15.154🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns513374.ip-192-99-15.net | ||||||
| NS | ns22.ipsilondev.com | ||||||
| A | 192.99.15.154🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns513374.ip-192-99-15.net | ||||||
| MX | mail.book2.app ⭐ | ||||||
| A | 192.99.15.154🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns513374.ip-192-99-15.net | ||||||
| TXT | google-site-verification=D5ZXtWtaaiEgY52tM5TRBaa8SK6iaHxjVVQKOetJQ20 | ||||||
| TXT | v=spf1 a mx ip4:192.99.15.154 a:book2.app include:_spf.google.com ~all | ||||||
| SOA | ns11.ipsilondev.comns22@ipsilondev.com 2015-01-17 #5 | ||||||
app
| 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=101427 | ||||||
Subdomains
mail.book2.app |
Same first word
book2.de |
book2.com |
book2.me |
book2.ru |
book2.app |
book2.us |
book2.io |
book2.se |
book2.eu |
book2.org |
book2.de.com |
book2.be |
book2.nl |
Similar names
2book.com.au |
2book.nl |
ko2ob.blogspot.com |
2book.net |
2book.be |
2book.se |
2book.co |
2book.com.tw |
2book.de |
2book.com |
2kobo.de |
2book.at |
kobo2.com |
boo2k.com |
2book.it |
2book.org |
2kobo.com |
DNS History
5 records (4 active, 1 former)
●NSns11.ipsilondev.com2020-02-28 → 2026-03-02 · 2 obs
● 2026-03-02 10:45:36
●NSns22.ipsilondev.com2020-02-28 → 2026-03-02 · 2 obs
● 2026-03-02 10:45:36
●MXmail.book2.app2020-02-28 → 2026-03-02 · 2 obs
● 2026-03-02 10:45:36
●A192.99.15.1542026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 10:45:36
○A5.9.80.702020-02-28 → 2020-02-28 · 2 obs
○ 2026-03-02 10:45:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| book2.app | ns11.ipsilondev.com, ns22.ipsilondev.com | - |
✅ Authoritative Response
Server: 192.99.15.154
NS records: ns11.ipsilondev.com, ns22.ipsilondev.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for book2.app (unsigned zone)
⏱️ Timing
Total: 693ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.99.15.154 |
| NS | 2 | ns11.ipsilondev.com, ns22.ipsilondev.com |
| MX | 1 | mail.book2.app (pri: 0) |
| TXT | 2 | google-site-verification=D5ZXtWtaaiEgY52, v=spf1 a mx ip4:192.99.15.154 a:book2.ap |
| SOA | 1 | ns11.ipsilondev.com ns22.ipsilondev.com |
Analysis
Hierarchy
book2.app is the parent of mail.book2.app.
IP Addresses
book2.app points to a single IP number: 192.99.15.154.
other host names for instance mail.y-developments.com, ns11.ipsilondev.com, ipsilondev.com, ns22.ipsilondev.com and viable.email share IP numbers with book2.app.
Name Servers
book2.app is delegated to two name servers: ns11.ipsilondev.com and ns22.ipsilondev.com.
book2.app shares the same name server setup as other domains, for example ipsilondev.com and y-developments.com.
book2.app at least partially shares its name servers with other domains, for instance viable.email.
These name servers are commonly used with the name servers ns33.ipsilondev.com.
Host names with a single IP number:
ns11.ipsilondev.com points to 192.99.15.154 and ns22.ipsilondev.com points to 192.99.15.154.
Host names that point to 192.99.15.154: ns11.ipsilondev.com and ns22.ipsilondev.com.
Mail Servers
book2.app is handled by a single mail server, mail.book2.app.
Host name mail.book2.app points to IP address 192.99.15.154.