welltool.co.jp - robtex.com
welltool.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.209.93🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| PTR | sv16552.xserver.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 | ||||||
| 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 | ||||||
| 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 | well-server.sakura.ne.jp ⭐ | ||||||
| A | 219.94.192.98🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1688.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1688.sakura.ne.jp mx ~all | ||||||
| TXT | google-site-verification=-a_O4JkVTYX13BZyMozAsB4BUrTtmVWthuvFmHJ-4NI | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-08-07 #2 | ||||||
co.jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○MXwell-mail.sakura.ne.jp2016-12-21 → 2017-11-15 · 4 obs
● 2017-11-15 11:39:48
○ 2026-03-18 10:05:56
○ 2026-03-18 21:58:54
●MXwell-server.sakura.ne.jp2026-03-18 → 2026-03-18 · 3 obs
● 2026-03-18 10:05:56
● 2026-03-18 21:58:54
○A54.64.28.1112016-12-21 → 2017-11-15 · 4 obs
● 2017-11-15 11:39:48
○ 2026-03-18 10:05:56
○ 2026-03-18 21:58:54
●A85.131.209.932026-03-18 → 2026-03-18 · 3 obs
● 2026-03-18 10:05:56
● 2026-03-18 21:58:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| welltool.co.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server: 61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for welltool.co.jp (unsigned zone)
⏱️ Timing
Total: 1237ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.209.93 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | well-server.sakura.ne.jp (pri: 10) |
| TXT | 2 | v=spf1 a:www1688.sakura.ne.jp mx ~all, google-site-verification=-a_O4JkVTYX13BZ |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
IP Addresses
welltool.co.jp resolves to a single IP address: 85.131.209.93.
Other host names including shigoto-tenshoku.com, 3e0d68ae4c11.powd.jp, ins-stud.io, sv16552.xserver.jp and myokoapartments.com share IP numbers with welltool.co.jp.
Name Servers
welltool.co.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
welltool.co.jp at least partially shares name servers with other domains, including stag.jp, studiohimawari.sakura.ne.jp, oita-lsi.jp, takane-zemi.com and pcsuisai.sakura.ne.jp.
These name servers are often used together with dns.sakura.ad.jp.
Hostnames with a single IP:
master.dns.ne.jp points to: 210.224.172.18.
ns1.dns.ne.jp points to: 61.211.236.1.
ns2.dns.ne.jp points to: 133.167.21.1.
Mail Servers
welltool.co.jp is handled by a single mail server, well-server.sakura.ne.jp.
welltool.co.jp uses the same mail server setup as other domains, such as well-server.sakura.ne.jp.
well-server.sakura.ne.jp points to a single IP: 219.94.192.98.