k-computer.jp - robtex.com
k-computer.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.129.155🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1115.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 | ip-61-211-236-1.defastlink.net | ||||||
| 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 | ip-133-167-21-1.defastlink.net | ||||||
| MX | k-computer.jp ⭐ | ||||||
| A | 219.94.129.155🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1115.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1115.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2022-07-22 #15 | ||||||
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=1776210303 | ||||||
MX for
k-computer.jp |
Same first word
k-computer.jp |
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:07:24
● 2026-04-15 00:14:28
●NSns1.dns.ne.jp2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:07:24
● 2026-04-15 00:14:28
○NSns1.value-domain.com2015-05-22 → 2017-05-15 · 4 obs
● 2017-05-15 17:57:54
○ 2026-04-11 03:07:24
○ 2026-04-15 00:14:28
●NSns2.dns.ne.jp2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:07:24
● 2026-04-15 00:14:28
○NSns2.value-domain.com2015-05-22 → 2017-05-15 · 4 obs
● 2017-05-15 17:57:54
○ 2026-04-11 03:07:24
○ 2026-04-15 00:14:28
●MXk-computer.jp2015-05-22 → 2026-04-15 · 2 obs
● 2026-04-15 00:14:28
○A219.117.204.2342015-05-22 → 2017-05-15 · 4 obs
● 2017-05-15 17:57:54
○ 2026-04-11 03:07:24
○ 2026-04-15 00:14:28
●A219.94.129.1552026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:07:24
● 2026-04-15 00:14:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| k-computer.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k-computer.jp (unsigned zone)
⏱️ Timing
Total: 1058ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.129.155 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | k-computer.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www1115.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
Mail Server Role
For k-computer.jp, the mail server is k-computer.jp.
IP Addresses
k-computer.jp resolves to one IP number: 219.94.129.155.
other host names including cer-japan.sakura.ne.jp, mkc-inc.sakura.ne.jp, cocomo-kyoto.sakura.ne.jp, msv-im10822.sakura.ne.jp and fruit-bouquets.sakura.ne.jp share IP numbers with k-computer.jp.
Name Servers
k-computer.jp is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
k-computer.jp at least partially shares name servers with other domains, for instance kozuchi-shokai.com, na9cdj8b2g586rcr.sakura.ne.jp, siwatori.com, tokyomenki.jp and ksth.co.jp.
these name servers are commonly used alongside dns.sakura.ad.jp.
Host names with one IP number: 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
k-computer.jp is served by a single mail server, k-computer.jp.
k-computer.jp resolves to IP 219.94.129.155.