issyun.com - dns.ninja
issyun.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.188.227.158🇯🇵 SAKURA-B210.188.224.0/19 (3/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| NS | dns.sakura.ad.jp ⭐ | ||||||
| A | 210.224.172.14🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | dns.sakura.ad.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 | mail.issyun.com ⭐ | ||||||
| A | 210.188.227.158🇯🇵 SAKURA-B210.188.224.0/19 (3/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| SOA | dns.sakura.ad.jpnoc@sakura.ad.jp 2004-05-29 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785604412 | ||||||
Subdomains
mail.issyun.com |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns.sakura.ad.jp2015-05-26 → 2026-08-01 · 3 obs
● 2015-05-26 05:00:26
● 2026-08-01 17:17:42
●MXmail.issyun.com2007-11-08 → 2026-08-01 · 2 obs
● 2026-08-01 17:17:42
●A210.188.227.1582007-11-08 → 2026-08-01 · 2 obs
● 2026-08-01 17:17:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| issyun.com | 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 issyun.com (unsigned zone)
⏱️ Timing
Total: 992ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.188.227.158 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail.issyun.com (pri: 10) |
| SOA | 1 | dns.sakura.ad.jp noc.sakura.ad.jp |
Analysis
Hierarchy
mail.issyun.com is delegated beneath issyun.com.
IP Addresses
issyun.com has exactly one IP address — 210.188.227.158.
mail.issyun.com, for instance, is one of the other host names sharing IP numbers with issyun.com.
Name Servers
The authoritative name servers for issyun.com are dns.sakura.ad.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.
There is at least partial name server overlap between issyun.com and other domains — niconico-cl.com, eisukesaito.com, horikoshigama.sakura.ne.jp and two more among them.
These name servers are routinely deployed together with the name servers master.dns.ne.jp.
The hostnames dns.sakura.ad.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: dns.sakura.ad.jp → 210.224.172.14, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.
Mail Servers
issyun.com uses one mail server — mail.issyun.com.
mail.issyun.com directs to just one IP number, 210.188.227.158.