sysb.info - dns.ninja
sysb.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.129.59🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1049.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 | sysb.info ⭐ | ||||||
| A | 219.94.129.59🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1049.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2007-03-08 #9 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1782743637 | ||||||
MX for
sysb.info |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXsysb.info2015-08-18 → 2026-06-29 · 2 obs
● 2026-06-29 15:19:34
●A219.94.129.592015-08-18 → 2026-06-29 · 2 obs
● 2026-06-29 15:19:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info | - |
| sysb.info | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ 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 sysb.info (unsigned zone)
⏱️ Timing
Total: 574ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.129.59 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | sysb.info (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The MX record for sysb.info points back to sysb.info — it is its own mail server.
IP Addresses
sysb.info directs to one IP number, which is 219.94.129.59.
Among the host names that share IP numbers with sysb.info are asobow.sakura.ne.jp, hmx13.sakura.ne.jp, opus23.sakura.ne.jp and two others.
Name Servers
DNS for sysb.info is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least some of sysb.info's name servers are shared with other domains, for example arakimayu-legaloffice.com, renave.jp, kasibessou-shiroiie.com and two more.
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
The MX record for sysb.info points to a single mail server: sysb.info.
sysb.info has exactly one IP number: 219.94.129.59.