koikatsu20.com - robtex.com
koikatsu20.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.128.196🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www956.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 | koikatsu20.com ⭐ | ||||||
| A | 219.94.128.196🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www956.sakura.ne.jp | ||||||
| TXT | google-site-verification=VKwCqM9a-IhywAvsLvbd5aQnFVog08CFeKbn4DqSCKc | ||||||
| TXT | v=spf1 a:www956.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-05-31 #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=1778741956 | ||||||
MX for
koikatsu20.com |
Same first word
koikatsu20.com |
DNS History
6 records (5 active, 1 former)
●MXkoikatsu20.com2017-01-04 → 2026-05-14 · 2 obs
● 2026-05-14 07:22:52
●A219.94.128.1962026-04-03 → 2026-05-14 · 3 obs
● 2026-04-03 12:59:50
● 2026-05-14 07:22:52
○A49.212.198.1812017-01-04 → 2018-01-01 · 4 obs
● 2018-01-01 00:48:04
○ 2026-04-03 12:59:50
○ 2026-05-14 07:22:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net... | - |
| koikatsu20.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 koikatsu20.com (unsigned zone)
⏱️ Timing
Total: 1617ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.128.196 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | koikatsu20.com (pri: 10) |
| TXT | 2 | google-site-verification=VKwCqM9a-IhywAv, v=spf1 a:www956.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
koikatsu20.com serves as the mail server for koikatsu20.com.
IP Addresses
koikatsu20.com points to an IP address: 219.94.128.196.
other host names include kanetuna.com, bukken8.com, okiascon.com, kokusai-tec.co.jp and murakenn.co.jp; they share IP numbers with koikatsu20.com.
Name Servers
koikatsu20.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
koikatsu20.com at least partially shares name servers with other domains, for instance amasetsu.co.jp, shogiclub.mobi, ota-clothes.com, kokoro-lifehack.com and smate.co.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
koikatsu20.com is handled by a single mail server.
The host name koikatsu20.com points to IP 219.94.128.196.