kotsuzai.info - robtex.com
kotsuzai.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.249.104🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4194.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 | kotsuzai.info ⭐ | ||||||
| A | 133.242.249.104🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4194.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www4194.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-05-10 #1 | ||||||
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=1777356275 | ||||||
MX for
kotsuzai.info |
Same first word
kotsuzai.info |
DNS History
6 records (5 active, 1 former)
●MXkotsuzai.info2015-08-10 → 2026-04-28 · 2 obs
● 2026-04-28 06:28:34
○A112.78.125.952015-08-10 → 2017-09-26 · 4 obs
● 2017-09-26 09:42:12
○ 2026-04-06 06:24:10
○ 2026-04-28 06:28:34
●A133.242.249.1042026-04-06 → 2026-04-28 · 3 obs
● 2026-04-06 06:24:10
● 2026-04-28 06:28:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | c0.info.afilias-nst.info, a0.info.afilias-nst.info, a2.info.afilias-nst.info | - |
| kotsuzai.info | ns2.dns.ne.jp, ns1.dns.ne.jp | - |
✅ 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 kotsuzai.info (unsigned zone)
⏱️ Timing
Total: 1201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.249.104 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kotsuzai.info (pri: 10) |
| TXT | 1 | v=spf1 a:www4194.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The mail server for kotsuzai.info is kotsuzai.info.
IP Addresses
kotsuzai.info points to a single IP address: 133.242.249.104.
Other host names such as tori-buta.com, uchidachikusan.com, xec.jp, kgaa.jp and marouranai.com share IPs with kotsuzai.info.
Name Servers
kotsuzai.info is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
kotsuzai.info at least partially shares name servers with other domains, for example aznable.net, sakura-jk.co.jp, yamato56.sakura.ne.jp, wdchi.sakura.ne.jp and i.tanken.ne.jp.
these name servers are commonly used alongside dns.sakura.ad.jp name servers.
Host names with a single IP address:
master.dns.ne.jp resolves to 210.224.172.18.
ns1.dns.ne.jp resolves to 61.211.236.1.
ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
One mail server handles kotsuzai.info; that server is kotsuzai.info.
kotsuzai.info points to a single IP number: 133.242.249.104.