o-cho.org - robtex.com
o-cho.org
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=1778674081 | ||||||
Subdomains
mx.o-cho.org |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NS01.dnsv.jp2016-05-01 → 2026-05-13 · 3 obs
● 2016-05-01 18:56:36
● 2026-05-13 12:43:40
●NS02.dnsv.jp2016-05-01 → 2026-05-13 · 3 obs
● 2016-05-01 18:56:36
● 2026-05-13 12:43:40
●NS03.dnsv.jp2016-05-01 → 2026-05-13 · 3 obs
● 2016-05-01 18:56:36
● 2026-05-13 12:43:40
●NS04.dnsv.jp2016-05-01 → 2026-05-13 · 3 obs
● 2016-05-01 18:56:36
● 2026-05-13 12:43:40
○NSns01.gmoserver.jp2015-07-16 → 2016-02-11 · 4 obs
● 2016-02-11 18:14:00
○ 2016-05-01 18:56:36
○ 2026-05-13 12:43:40
○NSns02.gmoserver.jp2015-07-16 → 2016-02-11 · 4 obs
● 2016-02-11 18:14:00
○ 2016-05-01 18:56:36
○ 2026-05-13 12:43:40
●MXmx.o-cho.org2015-07-16 → 2026-05-13 · 2 obs
● 2026-05-13 12:43:40
●A13.112.98.1722020-01-20 → 2026-05-13 · 3 obs
● 2020-01-20 16:48:48
● 2026-05-13 12:43:40
○A157.7.134.2522016-05-01 → 2017-03-14 · 5 obs
● 2016-05-01 18:56:36
● 2017-03-14 10:05:24
○ 2020-01-20 16:48:48
○ 2026-05-13 12:43:40
○A210.253.97.922015-07-16 → 2016-02-11 · 4 obs
● 2016-02-11 18:14:00
○ 2016-05-01 18:56:36
○ 2026-05-13 12:43:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| o-cho.org | 02.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 02.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for o-cho.org (unsigned zone)
⏱️ Timing
Total: 4857ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.112.98.172 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mx.o-cho.org (pri: 10) |
| TXT | 1 | v=spf1 ip4:13.112.98.172 ip4:219.94.129. |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
o-cho.org is a parent of mx.o-cho.org.
IP Addresses
o-cho.org points to a single IP number: 13.112.98.172.
Other host names, for instance ec2-13-112-98-172.ap-northeast-1.compute.amazonaws.com, share IP numbers with o-cho.org.
Name Servers
o-cho.org is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
o-cho.org at least partially shares name servers with other domains, for instance forit.jp, andai.jp, watchmanuniversity.jp, unitasu.com and ktroki.com.
Host names with two IPs:
01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to: 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to: 2400:8500:3fff::53 and 157.7.35.53.
Host names with one IP:
02.dnsv.jp points to: 157.7.33.53.
Mail Servers
o-cho.org is handled by a single mail server, mx.o-cho.org.
o-cho.org uses the same mail server setup as other domains, such as mori-cho.org.
mx.o-cho.org points to a single IP: 219.94.129.58.