openkey.jp - robtex.com
openkey.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.192.57🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1647.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 | openkey.jp ⭐ | ||||||
| A | 219.94.192.57🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1647.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1647.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-01-05 #1 | ||||||
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=1774588503 | ||||||
MX for
openkey.jp |
Same first word
openkey.org |
openkey.ru |
openkey.com.ar |
openkey.xyz |
openkey.us |
openkey.cloud |
openkey.com |
openkey.mobi |
openkey.net |
openkey.it |
openkey.co |
openkey.jp |
Similar names
DNS History
6 records (5 active, 1 former)
●MXopenkey.jp2015-05-22 → 2026-03-27 · 2 obs
● 2026-03-27 05:44:14
○A112.78.125.882015-05-22 → 2017-01-31 · 4 obs
● 2017-01-31 14:19:24
○ 2018-07-19 05:08:22
○ 2026-03-27 05:44:14
●A219.94.192.572018-07-19 → 2026-03-27 · 3 obs
● 2018-07-19 05:08:22
● 2026-03-27 05:44:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| openkey.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openkey.jp (unsigned zone)
⏱️ Timing
Total: 1046ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.192.57 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | openkey.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www1647.sakura.ne.jp mx ~all |
| 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
Mail Server Role
openkey.jp serves as the mail server for openkey.jp.
IP Addresses
openkey.jp points to an IP address: 219.94.192.57.
other host names include yamakyo-paper.co.jp, select-ad.com, ruri-yagi.com, athomeweb.net and bukatsu.yoshimoto.co.jp; they share IP numbers with openkey.jp.
Name Servers
openkey.jp is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
openkey.jp at least partially shares name servers with other domains, for instance shaku-ryoko.net, hamaengei.com, makoto-style.com, netken.info and medicalchozai.sakura.ne.jp.
These name servers are commonly used alongside dns.sakura.ad.jp.
Host names with one 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
openkey.jp is handled by a single mail server.
The host name openkey.jp points to IP 219.94.192.57.