kanseikai.com - robtex.com
kanseikai.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.120.42.203🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ns21.prontobb.net | ||||||
| NS | ns21.prontobb.net ⭐ | ||||||
| A | 153.120.42.203🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ns21.prontobb.net | ||||||
| NS | dns2.prontonet.ne.jp | ||||||
| A | 162.43.29.206🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | x162-43-29-206.static.xvps.ne.jp | ||||||
| MX | mail.kanseikai.com ⭐ | ||||||
| A | 153.120.42.203🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ns21.prontobb.net | ||||||
| TXT | google-site-verification=z5zdcRuGjbpQQZP0ERADvA2S0Grd6gZfTTrH6Xh-R00 | ||||||
| TXT | v=spf1 +ip4:153.120.42.203 +a +mx +a:ns21.prontobb.net ~all | ||||||
| SOA | ns21.prontobb.netns21\@webmaster.prontonet.co.jp 2026-03-31 #1 | ||||||
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=1778266616 | ||||||
Subdomains
mail.kanseikai.com |
Same first word
kanseikai.com |
Similar names
nakaseiki.net |
seikankai.or.jp |
sankeikai.org |
sankeikai.com |
nakaseiki.co.jp |
kaiseikan.net |
sankaikei.com |
nakaseiki.com |
DNS History
4 records (4 active, 0 former)
●NSdns2.prontonet.ne.jp2026-02-26 → 2026-05-08 · 2 obs
● 2026-05-08 19:20:24
●NSns21.prontobb.net2026-02-26 → 2026-05-08 · 2 obs
● 2026-05-08 19:20:24
●MXmail.kanseikai.com2026-02-26 → 2026-05-08 · 2 obs
● 2026-05-08 19:20:24
●A153.120.42.2032026-02-26 → 2026-05-08 · 2 obs
● 2026-05-08 19:20:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net... | - |
| kanseikai.com | ns21.prontobb.net, dns2.prontonet.ne.jp | - |
✅ Authoritative Response
Server:162.43.29.206
NS records: ns21.prontobb.net, dns2.prontonet.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kanseikai.com (unsigned zone)
⏱️ Timing
Total: 966ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.120.42.203 |
| NS | 2 | dns2.prontonet.ne.jp, ns21.prontobb.net |
| MX | 1 | mail.kanseikai.com (pri: 10) |
| TXT | 2 | google-site-verification=z5zdcRuGjbpQQZP, v=spf1 +ip4:153.120.42.203 +a +mx +a:ns2 |
| SOA | 1 | ns21.prontobb.net ns21\.webmaster.pronto |
Analysis
Hierarchy
kanseikai.com is the parent of mail.kanseikai.com.
IP Addresses
kanseikai.com resolves to a single IP: 153.120.42.203.
Other host names, for instance futabakg.com, cca-net.or.jp, www.niigata-ia.or.jp, mail.sakamototex.co.jp and mail.mycologytechno.com share IP numbers with kanseikai.com.
Name Servers
kanseikai.com has two name servers: ns21.prontobb.net and dns2.prontonet.ne.jp.
kanseikai.com shares the same name server setup as other domains, for example ask-ne.jp, mycologytechno.com, prontobb.net, kimura-toso.com and prontonet.mobi.
kanseikai.com shares some name servers with other domains, for example abio.jp, nitf.jp, nbc.ac.jp, icm-net.jp and city-niigata.ed.jp.
These name servers are commonly used together with ns26.prontobb.net and ns25.prontobb.net.
Host names with a single IP:
ns21.prontobb.net points to 153.120.42.203
dns2.prontonet.ne.jp points to 162.43.29.206
Mail Servers
kanseikai.com is handled by a single mail server, mail.kanseikai.com.
Host name mail.kanseikai.com points to IP 153.120.42.203.