jec-net.org - robtex.com
jec-net.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.243.64🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3554.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 | jec-net.org ⭐ | ||||||
| A | 49.212.243.64🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3554.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3554.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-08-21 #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=1776637367 | ||||||
MX for
jec-net.org |
Previously MX for
www.jec-net.org |
Same first word
jec-net.org |
DNS History
6 records (5 active, 1 former)
●NSmaster.dns.ne.jp2015-07-07 → 2026-04-19 · 3 obs
● 2015-07-07 09:24:36
● 2026-04-19 22:46:52
●NSns1.dns.ne.jp2015-07-07 → 2026-04-19 · 3 obs
● 2015-07-07 09:24:36
● 2026-04-19 22:46:52
●NSns2.dns.ne.jp2015-07-07 → 2026-04-19 · 3 obs
● 2015-07-07 09:24:36
● 2026-04-19 22:46:52
●MXjec-net.org2008-11-28 → 2026-04-19 · 2 obs
● 2026-04-19 22:46:52
●A49.212.243.642015-07-07 → 2026-04-19 · 3 obs
● 2015-07-07 09:24:36
● 2026-04-19 22:46:52
○A69.50.193.822008-11-28 → 2008-11-28 · 3 obs
○ 2015-07-07 09:24:36
○ 2026-04-19 22:46:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| jec-net.org | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jec-net.org (unsigned zone)
⏱️ Timing
Total: 1660ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.243.64 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | jec-net.org (pri: 10) |
| TXT | 1 | v=spf1 a:www3554.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
jec-net.org serves as the mail server for jec-net.org.
IP Addresses
jec-net.org points to IP number 49.212.243.64.
For instance, other host names fulbright.jp, innerpeace5190.com, yasujima.co.jp, niseko-takahashi.jp and telem.sakura.ne.jp share IP numbers with jec-net.org.
Name Servers
The delegation for jec-net.org is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
jec-net.org shares name servers with other domains at least partially, for example honorewatanabe.com, raphael.co.jp, gdo-0002.sakura.ne.jp, k-pipeline.com and otoineppu.com.
Host names with a single IP address: 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
jec-net.org is handled by a single mail server, jec-net.org.
jec-net.org points to a single IP: 49.212.243.64.