mail.j-est.net - robtex.com

mail.j-est.net

CNAMEj-est.net
DNSSEC⚠️ Not signed
A49.212.243.81🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3571.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
MXj-est.net ⭐
A49.212.243.81🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3571.sakura.ne.jp
TXTv=spf1 a:www3571.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2015-12-11 #11

j-est.net

DNSSEC⚠️ Not signed
A49.212.243.81🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns2.dns.ne.jp
MXj-est.net ⭐
TXTv=spf1 a:www3571.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2015-12-11 #11

Previously MX for

j-est.net
mail.j-est.net

Same first word

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DNS History

10 records (1 active, 9 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns1.tsukaeru.netns2.dns.ne.jpns2.tsukaeru.netMXj-est.netmail.j-est.netA119.82.24.9149.212.243.81CNAMEj-est.net
○NSmaster.dns.ne.jp2016-01-27 → 2016-05-07 · 5 obs
○ 2015-11-09 23:27:40
● 2016-01-27 09:58:32
● 2016-05-07 13:54:48
○ 2026-03-08 23:49:38
○ 2026-05-11 16:36:50
○NSns1.dns.ne.jp2016-01-27 → 2016-05-07 · 5 obs
○ 2015-11-09 23:27:40
● 2016-01-27 09:58:32
● 2016-05-07 13:54:48
○ 2026-03-08 23:49:38
○ 2026-05-11 16:36:50
○NSns1.tsukaeru.net2015-11-09 → 2016-05-07 · 5 obs
● 2015-11-09 23:27:40
○ 2016-01-27 09:58:32
● 2016-05-07 13:54:48
○ 2026-03-08 23:49:38
○ 2026-05-11 16:36:50
○NSns2.dns.ne.jp2016-01-27 → 2016-05-07 · 5 obs
○ 2015-11-09 23:27:40
● 2016-01-27 09:58:32
● 2016-05-07 13:54:48
○ 2026-03-08 23:49:38
○ 2026-05-11 16:36:50
○NSns2.tsukaeru.net2015-11-09 → 2016-05-07 · 4 obs
● 2015-11-09 23:27:40
● 2016-05-07 13:54:48
○ 2026-03-08 23:49:38
○ 2026-05-11 16:36:50
○MXj-est.net2015-11-09 → 2016-05-07 · 4 obs
● 2015-11-09 23:27:40
● 2016-05-07 13:54:48
○ 2026-03-08 23:49:38
○ 2026-05-11 16:36:50
○MXmail.j-est.net2015-11-09 → 2015-11-09 · 3 obs
● 2015-11-09 23:27:40
○ 2016-01-27 09:58:32
○ 2026-05-11 16:36:50
○A119.82.24.912015-07-11 → 2015-11-09 · 4 obs
● 2015-07-11 10:08:58
● 2015-11-09 23:27:40
○ 2016-01-27 09:58:32
○ 2026-05-11 16:36:50
○A49.212.243.812016-01-27 → 2016-05-07 · 5 obs
○ 2015-11-09 23:27:40
● 2016-01-27 09:58:32
● 2016-05-07 13:54:48
○ 2026-03-08 23:49:38
○ 2026-05-11 16:36:50
●CNAMEj-est.net2015-07-11 → 2026-05-11 · 2 obs
● 2015-07-11 10:08:58
● 2026-05-11 16:36:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netg.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...-
j-est.netns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for j-est.net (unsigned zone)

⏱️ Timing

Total: 885ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1j-est.net

Analysis

IP Addresses

mail.j-est.net points to IP number: 49.212.243.81.

Other host names such as tachibana-inc.sakura.ne.jp, hayato-mc.jp, mail.h-around.jp, dlavie.co.jp and harvey-j.co.jp share IPs with mail.j-est.net.

Name Servers

mail.j-est.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.j-est.net at least partially shares name servers with other domains, for instance refine-bb.com, nem-noki.com, nishikiya-kimono.co.jp, nakaisamurai.com and blmoedoko.com.

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.

Mail Servers

mail.j-est.net is handled by a single mail server, j-est.net.

The mail server setup for mail.j-est.net mirrors that of other domains, for instance j-est.net.

j-est.net points to a single IP: 49.212.243.81.