jortc.org - robtex.com
jortc.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.117.206.126🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | 219.117.206.126.static.zoot.jp | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| MX | mail.jortc.org ⭐ | ||||||
| A | 219.117.206.126🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | 219.117.206.126.static.zoot.jp | ||||||
| TXT | jortc.org. IN TXT v=spf1 ip4:219.117.206.126 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1355153930 | ||||||
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=1778439236 | ||||||
Subdomains
mail.jortc.org |
Same first word
jortc.org |
Similar names
jtcor.com |
ortjc.com |
rtjco.net |
jrtco.com |
cortj.com |
rjtco.com.au |
rjtco.com |
jrotc.com |
tjrco.com |
jrotc.education |
jcort.com |
DNS History
4 records (4 active, 0 former)
●MXmail.jortc.org2015-07-21 → 2026-05-10 · 2 obs
● 2026-05-10 19:26:54
●A219.117.206.1262015-07-21 → 2026-05-10 · 2 obs
● 2026-05-10 19:26:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| jortc.org | 02.dnsv.jp, 01.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 02.dnsv.jp, 01.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jortc.org (unsigned zone)
⏱️ Timing
Total: 945ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.117.206.126 |
| NS | 2 | 02.dnsv.jp, 01.dnsv.jp |
| MX | 1 | mail.jortc.org (pri: 10) |
| TXT | 1 | jortc.org. IN TXT v=spf1 ip4:219.117.206 |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
jortc.org is the parent of mail.jortc.org.
IP Addresses
jortc.org resolves to a single IP: 219.117.206.126.
Other host names share IP numbers with jortc.org; for instance mail.jortc.org.
Name Servers
jortc.org has two name servers: 01.dnsv.jp and 02.dnsv.jp.
jortc.org shares the same name server setup as other domains, for example benrishi.jp, porktamago.info, xn--u9jt70k7mhec896n.com, youkai-watch.net and ldesign.biz.
jortc.org shares some name servers with other domains, for example pethaku.com, careconne.jp, bacontheater.co.jp, sds-system.com and sin1.tv.
These name servers are commonly used together with 03.dnsv.jp and 04.dnsv.jp.
Host names with two IP numbers: 01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53.
Host names with one IP number: 02.dnsv.jp points to: 157.7.33.53.
Mail Servers
jortc.org is handled by a single mail server, mail.jortc.org.
Host name mail.jortc.org points to IP 219.117.206.126.