kojih.org - robtex.com
kojih.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.243.74🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3564.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 | mail.kojih.org ⭐ | ||||||
| TXT | v=spf1 a:www3564.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-10-16 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774552242 | ||||||
Subdomains
mail.kojih.org |
Same first word
kojih.org |
Similar names
hijko.com |
kohji.blog |
kohji.biz |
jikoh.co.jp |
hiojk.com |
hjoik.net |
hkoji.com |
johki.de |
kohji.info |
kohji.jp |
khoji.net |
jikoh.com |
kohji.com |
khoji.com |
kijoh.com |
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2026-02-15 → 2026-03-26 · 3 obs
● 2026-02-15 15:57:04
● 2026-03-26 19:35:44
●NSns1.dns.ne.jp2026-02-15 → 2026-03-26 · 3 obs
● 2026-02-15 15:57:04
● 2026-03-26 19:35:44
○NSns1.kojih.org2015-08-23 → 2017-03-17 · 4 obs
● 2017-03-17 16:21:42
○ 2026-02-15 15:57:04
○ 2026-03-26 19:35:44
●NSns2.dns.ne.jp2026-02-15 → 2026-03-26 · 3 obs
● 2026-02-15 15:57:04
● 2026-03-26 19:35:44
○NSns2.kojih.org2015-08-23 → 2017-03-17 · 4 obs
● 2017-03-17 16:21:42
○ 2026-02-15 15:57:04
○ 2026-03-26 19:35:44
●MXmail.kojih.org2015-08-23 → 2026-03-26 · 2 obs
● 2026-03-26 19:35:44
○A203.112.63.1932017-03-17 → 2017-03-17 · 3 obs
○ 2026-02-15 15:57:04
○ 2026-03-26 19:35:44
●A49.212.243.742026-02-15 → 2026-03-26 · 3 obs
● 2026-02-15 15:57:04
● 2026-03-26 19:35:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| kojih.org | 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 kojih.org (unsigned zone)
⏱️ Timing
Total: 1195ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.243.74 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail.kojih.org (pri: 10) |
| TXT | 1 | v=spf1 a:www3564.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
The parent of mail.kojih.org is kojih.org.
IP Addresses
kojih.org points to a single IP: 49.212.243.74.
Other host names, for instance lab.sakura.ne.jp, chosashi-y.sakura.ne.jp, kms-taxfp.sakura.ne.jp, m-onaka.sakura.ne.jp and thy.co.jp share IP numbers with kojih.org.
Name Servers
kojih.org is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
kojih.org partially shares name servers with other domains; examples include nuts-con.net, imaxa.jp, 205.242.133.in-addr.arpa, spi-snowbell.com and tokyo-koreancatholic.org.
these name servers are commonly used with the name servers dns.sakura.ad.jp.
Host names with one IP number:
Host master.dns.ne.jp points to 210.224.172.18.
Host ns1.dns.ne.jp points to 61.211.236.1.
Host ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
kojih.org is handled by a single mail server, mail.kojih.org.