jsrt.org - robtex.com

jsrt.org

DNSSEC⚠️ Not signed
A153.120.1.94🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRik1-203-75340.vs.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
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-07-23 #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=1775982364

Same first word

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DNS History

16 records (4 active, 12 former)

201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.linode.comns2.linode.comns3.linode.comns4.linode.comns47.domaincontrol.comns48.domaincontrol.comns5.linode.comMXmailstore1.secureserver.netsmtp.secureserver.netA153.120.1.9423.239.1.1652600:3c01::f03c:91ff:fe11:279650.63.202.56
●NSmaster.dns.ne.jp2026-04-03 → 2026-04-12 · 3 obs
○ 2018-11-07 02:14:56
● 2026-04-03 13:57:50
● 2026-04-12 08:55:46
●NSns1.dns.ne.jp2026-04-03 → 2026-04-12 · 3 obs
○ 2018-11-07 02:14:56
● 2026-04-03 13:57:50
● 2026-04-12 08:55:46
○NSns1.linode.com2018-11-07 → 2018-11-07 · 4 obs
○ 2017-02-03 00:58:56
● 2018-11-07 02:14:56
○ 2026-04-03 13:57:50
○ 2026-04-12 08:55:46
●NSns2.dns.ne.jp2026-04-03 → 2026-04-12 · 3 obs
○ 2018-11-07 02:14:56
● 2026-04-03 13:57:50
● 2026-04-12 08:55:46
○NSns2.linode.com2018-11-07 → 2018-11-07 · 4 obs
○ 2017-02-03 00:58:56
● 2018-11-07 02:14:56
○ 2026-04-03 13:57:50
○ 2026-04-12 08:55:46
○NSns3.linode.com2018-11-07 → 2018-11-07 · 4 obs
○ 2017-02-03 00:58:56
● 2018-11-07 02:14:56
○ 2026-04-03 13:57:50
○ 2026-04-12 08:55:46
○NSns4.linode.com2018-11-07 → 2018-11-07 · 4 obs
○ 2017-02-03 00:58:56
● 2018-11-07 02:14:56
○ 2026-04-03 13:57:50
○ 2026-04-12 08:55:46
○NSns47.domaincontrol.com2017-02-03 → 2017-02-03 · 3 obs
● 2017-02-03 00:58:56
○ 2018-11-07 02:14:56
○ 2026-04-12 08:55:46
○NSns48.domaincontrol.com2017-02-03 → 2017-02-03 · 3 obs
● 2017-02-03 00:58:56
○ 2018-11-07 02:14:56
○ 2026-04-12 08:55:46
○NSns5.linode.com2018-11-07 → 2018-11-07 · 4 obs
○ 2017-02-03 00:58:56
● 2018-11-07 02:14:56
○ 2026-04-03 13:57:50
○ 2026-04-12 08:55:46
○MXmailstore1.secureserver.net2017-02-03 → 2017-02-03 · 3 obs
● 2017-02-03 00:58:56
○ 2018-11-07 02:14:56
○ 2026-04-12 08:55:46
○MXsmtp.secureserver.net2017-02-03 → 2017-02-03 · 3 obs
● 2017-02-03 00:58:56
○ 2018-11-07 02:14:56
○ 2026-04-12 08:55:46
●A153.120.1.942026-04-03 → 2026-04-12 · 3 obs
○ 2018-11-07 02:14:56
● 2026-04-03 13:57:50
● 2026-04-12 08:55:46
○A23.239.1.1652018-11-07 → 2018-11-07 · 4 obs
○ 2017-02-03 00:58:56
● 2018-11-07 02:14:56
○ 2026-04-03 13:57:50
○ 2026-04-12 08:55:46
○A2600:3c01::f03c:91ff:fe11:27962018-11-07 → 2018-11-07 · 4 obs
○ 2017-02-03 00:58:56
● 2018-11-07 02:14:56
○ 2026-04-03 13:57:50
○ 2026-04-12 08:55:46
○A50.63.202.562017-02-03 → 2017-02-03 · 3 obs
● 2017-02-03 00:58:56
○ 2018-11-07 02:14:56
○ 2026-04-12 08:55:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
jsrt.orgns2.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 jsrt.org (unsigned zone)

⏱️ Timing

Total: 999ms | Queries: -

📄 Records

TypeCountSample Data
A1153.120.1.94
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

IP Addresses

jsrt.org points to a single IP address: 153.120.1.94.

Name Servers

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

At least part of the name servers for jsrt.org are shared with other domains, for instance hassoudaikou.net, himuroserika.sakura.ne.jp, zennkoku.sakura.ne.jp, seikoen.co.jp and xn--t8j4aa4nmisa4ci4n3a9wzbzhb0k.net.

These name servers are commonly used alongside the name servers dns.sakura.ad.jp.

Host names 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