willcom.jp - dns.ninja
willcom.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.129.141🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1101.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 | ||||||
| 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 | willcom.jp ⭐ | ||||||
| A | 219.94.129.141🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1101.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1101.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-10-04 #22 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| 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 | ||||||
| SOA | z.dns.jproot@dns.jp serial=1780746302 | ||||||
MX for
willcom.jp |
Previously MX for
www.willcom.jp |
Subdomains
www.willcom.jp |
Same first word
willcom.de |
willcom.co.za |
willcom.org |
willcom.jp |
willcom.net |
willcom.gr.jp |
willcom.sk |
willcom.ru |
willcom.com |
willcom.cn |
Similar names
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2026-04-05 → 2026-06-06 · 3 obs
● 2026-04-05 13:08:44
● 2026-06-06 12:09:38
●NSns1.dns.ne.jp2026-04-05 → 2026-06-06 · 3 obs
● 2026-04-05 13:08:44
● 2026-06-06 12:09:38
●NSns2.dns.ne.jp2026-04-05 → 2026-06-06 · 3 obs
● 2026-04-05 13:08:44
● 2026-06-06 12:09:38
○NSwww.willcom.gr.jp2015-05-27 → 2017-06-20 · 4 obs
● 2017-06-20 17:01:32
○ 2026-04-05 13:08:44
○ 2026-06-06 12:09:38
●MXwillcom.jp2026-04-05 → 2026-06-06 · 3 obs
● 2026-04-05 13:08:44
● 2026-06-06 12:09:38
○MXwww.willcom.jp2015-05-27 → 2017-06-20 · 4 obs
● 2017-06-20 17:01:32
○ 2026-04-05 13:08:44
○ 2026-06-06 12:09:38
○A211.18.205.1382015-05-27 → 2017-06-20 · 4 obs
● 2017-06-20 17:01:32
○ 2026-04-05 13:08:44
○ 2026-06-06 12:09:38
●A219.94.129.1412026-04-05 → 2026-06-06 · 3 obs
● 2026-04-05 13:08:44
● 2026-06-06 12:09:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, f.dns.jp, e.dns.jp, h.dns.jp... | - |
| willcom.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 willcom.jp (unsigned zone)
⏱️ Timing
Total: 718ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.129.141 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | willcom.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www1101.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
www.willcom.jp is delegated beneath willcom.jp.
Mail Server Role
willcom.jp acts as its own mail server.
IP Addresses
willcom.jp points to a single IP number: 219.94.129.141.
Additional host names — www.sonoruka.co.jp, koikekk.sakura.ne.jp, (0x68656e746169)-yakata.com and two others — share IP numbers with willcom.jp.
Name Servers
willcom.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
There is at least partial name server overlap between willcom.jp and other domains — toyo-tk.jp, seedvalley.co.jp, yukiphoto.sakura.ne.jp and two more among them.
These name servers are routinely deployed together with the name servers na1.dns.ne.jp.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
willcom.jp has a single mail server: willcom.jp itself.
willcom.jp resolves to a single IP number: 219.94.129.141.