kasuga21.com - robtex.com
kasuga21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.129.146🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1106.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 | kasuga21.com ⭐ | ||||||
| A | 219.94.129.146🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1106.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1106.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-05-25 #0 | ||||||
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=1784061572 | ||||||
MX for
kasuga21.com |
Previously MX for
www.kasuga21.com |
Subdomains
www.kasuga21.com |
Same first word
kasuga21.com |
DNS History
5 records (5 active, 0 former)
●MXkasuga21.com2015-05-28 → 2026-07-14 · 2 obs
● 2026-07-14 20:41:22
●A219.94.129.1462015-05-28 → 2026-07-14 · 2 obs
● 2026-07-14 20:41:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net... | - |
| kasuga21.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at kasuga21.com: Error: DNS query timeout: 192.35.51.30 for DS kasuga21.com
⏱️ Timing
Total: 4154ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.129.146 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kasuga21.com (pri: 10) |
| TXT | 1 | v=spf1 a:www1106.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
www.kasuga21.com is a subdomain of kasuga21.com.
Mail Server Role
kasuga21.com acts as its own mail server.
IP Addresses
kasuga21.com points to a single IP number: 219.94.129.146.
Additional host names — newtao.sakura.ne.jp, rumble.jp, thaifestival.net and two others — share IP numbers with kasuga21.com.
Name Servers
kasuga21.com has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
The name servers of kasuga21.com overlap at least partially with those of other domains — among them signpress02.net, tatsumi.ed.jp, piano100ka.sakura.ne.jp and two more.
Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
kasuga21.com has a single mail server: kasuga21.com itself.
kasuga21.com points to one IP number — 219.94.129.146.