kenkoo.gdgserver.com - robtex.com
kenkoo.gdgserver.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.197.159🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www50119.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp ⚠️ Not in parent delegation | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp ⚠️ Not in parent delegation | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | kenkoo.gdgserver.com ⭐ | ||||||
| A | 163.43.197.159🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www50119.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www50119.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2021-04-13 #10 | ||||||
gdgserver.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| NS | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2020-11-09 #2 | ||||||
MX for
kenkoo.gdgserver.com |
kenkoo.com |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXkenkoo.gdgserver.com2026-06-27 → 2026-07-30 · 2 obs
● 2026-07-30 10:46:10
●A163.43.197.1592026-06-27 → 2026-07-30 · 2 obs
● 2026-07-30 10:46:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| gdgserver.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gdgserver.com (unsigned zone)
⏱️ Timing
Total: 949ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.197.159 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kenkoo.gdgserver.com (pri: 10) |
| TXT | 1 | v=spf1 a:www50119.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
kenkoo.gdgserver.com serves as a mail server for both kenkoo.gdgserver.com and kenkoo.com.
IP Addresses
kenkoo.gdgserver.com points to a single IP number: 163.43.197.159.
Additional host names — growth-kids.com, nu-science.co.jp, www.pannell.co.jp and two others — share IP numbers with kenkoo.gdgserver.com.
Name Servers
DNS for kenkoo.gdgserver.com is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
The name servers of kenkoo.gdgserver.com overlap at least partially with those of other domains — among them wadasika.jp, denovation.jp, t-ate.net and two more.
These name servers commonly appear in combination with the name servers dns.sakura.ad.jp.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.
Mail Servers
kenkoo.gdgserver.com has a single mail server: kenkoo.gdgserver.com itself.
kenkoo.gdgserver.com shares its mail server setup with other domains, such as kenkoo.com.
kenkoo.gdgserver.com has exactly one IP number: 163.43.197.159.