jsct-tech.org - robtex.com

jsct-tech.org

DNSSEC⚠️ Not signed
A49.212.180.79🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2669.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 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
PTRns2.dns.ne.jp
MXjsct-tech.org ⭐
A49.212.180.79🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2669.sakura.ne.jp
TXTv=spf1 a:www2669.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-08-23 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953

MX for

jsct-tech.org

Same first word

jsct-tech.org

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.value-domain.comns1.xserver.jpns2.value-domain.comns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXjsct-tech.orgA49.212.180.79210.188.201.3561.194.37.185
●NSmaster.dns.ne.jp2026-03-21 → 2026-03-24 · 3 obs
○ 2017-04-05 20:07:34
● 2026-03-21 01:17:06
● 2026-03-24 10:18:06
●NSns1.dns.ne.jp2026-03-21 → 2026-03-24 · 3 obs
○ 2017-04-05 20:07:34
● 2026-03-21 01:17:06
● 2026-03-24 10:18:06
○NSns1.value-domain.com2017-04-05 → 2017-04-05 · 4 obs
○ 2016-06-21 21:29:10
● 2017-04-05 20:07:34
○ 2026-03-21 01:17:06
○ 2026-03-24 10:18:06
○NSns1.xserver.jp2015-06-02 → 2016-06-21 · 4 obs
● 2015-06-02 21:23:24
● 2016-06-21 21:29:10
○ 2017-04-05 20:07:34
○ 2026-03-24 10:18:06
●NSns2.dns.ne.jp2026-03-21 → 2026-03-24 · 3 obs
○ 2017-04-05 20:07:34
● 2026-03-21 01:17:06
● 2026-03-24 10:18:06
○NSns2.value-domain.com2017-04-05 → 2017-04-05 · 4 obs
○ 2016-06-21 21:29:10
● 2017-04-05 20:07:34
○ 2026-03-21 01:17:06
○ 2026-03-24 10:18:06
○NSns2.xserver.jp2015-06-02 → 2016-06-21 · 4 obs
● 2015-06-02 21:23:24
● 2016-06-21 21:29:10
○ 2017-04-05 20:07:34
○ 2026-03-24 10:18:06
○NSns3.xserver.jp2015-06-02 → 2016-06-21 · 4 obs
● 2015-06-02 21:23:24
● 2016-06-21 21:29:10
○ 2017-04-05 20:07:34
○ 2026-03-24 10:18:06
○NSns4.xserver.jp2015-06-02 → 2016-06-21 · 4 obs
● 2015-06-02 21:23:24
● 2016-06-21 21:29:10
○ 2017-04-05 20:07:34
○ 2026-03-24 10:18:06
○NSns5.xserver.jp2015-06-02 → 2016-06-21 · 4 obs
● 2015-06-02 21:23:24
● 2016-06-21 21:29:10
○ 2017-04-05 20:07:34
○ 2026-03-24 10:18:06
●MXjsct-tech.org2015-06-02 → 2026-03-24 · 2 obs
● 2015-06-02 21:23:24
● 2026-03-24 10:18:06
○A210.188.201.352015-06-02 → 2016-06-21 · 4 obs
● 2015-06-02 21:23:24
● 2016-06-21 21:29:10
○ 2017-04-05 20:07:34
○ 2026-03-24 10:18:06
●A49.212.180.792026-03-21 → 2026-03-24 · 3 obs
○ 2017-04-05 20:07:34
● 2026-03-21 01:17:06
● 2026-03-24 10:18:06
○A61.194.37.1852017-04-05 → 2017-04-05 · 4 obs
○ 2016-06-21 21:29:10
● 2017-04-05 20:07:34
○ 2026-03-21 01:17:06
○ 2026-03-24 10:18:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
jsct-tech.orgns2.dns.ne.jp, ns1.dns.ne.jp-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsct-tech.org (unsigned zone)

⏱️ Timing

Total: 450ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.79
NS2ns2.dns.ne.jp, ns1.dns.ne.jp
MX1jsct-tech.org (pri: 10)
TXT1v=spf1 a:www2669.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

jsct-tech.org serves as the mail server for jsct-tech.org.

IP Addresses

jsct-tech.org resolves to a single IP address: 49.212.180.79.

Other host names including pocoehon.jp, gairai-shounika.jp, hinode-kyushoku.com, zipbeartown.net and ilm.sakura.ne.jp share IP numbers with jsct-tech.org.

Name Servers

jsct-tech.org is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

jsct-tech.org at least partially shares name servers with other domains, including soto-tokai.net, tmook.info, eneplus.sakura.ne.jp, tanmachi-shika.com and artesolution.co.jp.

These name servers are often used together with dns.sakura.ad.jp.

Hostnames with a single IP:

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

A single mail server handles jsct-tech.org.

jsct-tech.org points to a single IP: 49.212.180.79.