book-stack.com - robtex.com
book-stack.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 111.89.177.56🇯🇵 InfoSphere111.89.0.0/16 INFOSPHERE | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| NS | 03.dnsv.jp ⚠️ Not in parent delegation | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| NS | 04.dnsv.jp ⚠️ Not in parent delegation | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| MX | book-stack.com ⭐ | ||||||
| A | 111.89.177.56🇯🇵 InfoSphere111.89.0.0/16 INFOSPHERE | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1740878484 | ||||||
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=1785326732 | ||||||
MX for
book-stack.com |
Subdomains
www.book-stack.com |
Same first word
book-stack.com |
DNS History
6 records (6 active, 0 former)
●MXbook-stack.com2015-06-06 → 2026-07-29 · 2 obs
● 2026-07-29 12:23:06
●A111.89.177.562015-06-06 → 2026-07-29 · 2 obs
● 2026-07-29 12:23:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| book-stack.com | 01.dnsv.jp, 02.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for book-stack.com (unsigned zone)
⏱️ Timing
Total: 1014ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 111.89.177.56 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | book-stack.com (pri: 10) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
www.book-stack.com is delegated beneath book-stack.com.
Mail Server Role
book-stack.com serves as a mail server for book-stack.com.
IP Addresses
book-stack.com has exactly one IP address — 111.89.177.56.
There are other host names — www.book-stack.com among them — that share IP numbers with book-stack.com.
Name Servers
Four name servers handle the delegation for book-stack.com: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
There is at least partial name server overlap between book-stack.com and other domains — uazensen.jp, nexus-ad.com, paradox-p.com and two more among them.
Host names pointing to two IP addresses:
01.dnsv.jp has two IP addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp has two IP addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp has two IP addresses: 157.7.35.53 and 2400:8500:3fff::53.
Host names resolving to a single IP address:
02.dnsv.jp directs to 157.7.33.53.
Mail Servers
book-stack.com uses exactly one mail server, which is book-stack.com.
book-stack.com has exactly one IP number: 111.89.177.56.