e-study.jp - robtex.com

e-study.jp

DNSSEC⚠️ Not signed
A49.212.236.196🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR196.236.212.49.static.www3340.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
MXe-study.jp ⭐
A49.212.236.196🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR196.236.212.49.static.www3340.sakura.ne.jp
SOAmaster.dns.ne.jptech@sakura.ad.jp 2023-05-29 #0

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1771290902

MX for

e-study.jp

Same first word

e-study.it
e-study.de
e-study.fr
e-study.vn
e-study.co.za
e-study.in.ua
e-study.com.tw
e-study.com
e-study.jp
e-study.com.cn
e-study.info

Similar names

study-e.com
yts-edu.com
sd-yute.com

DNS History

9 records (5 active, 4 former)

2020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns4.mcnet.ad.jpns5.mcnet.ad.jpMXe-study.jpmail.e-study.jpA49.212.236.196124.241.201.17
●NSmaster.dns.ne.jp2026-03-06 → 2026-03-12 · 3 obs
○ 2019-01-31 20:04:14
● 2026-03-06 09:24:32
● 2026-03-12 08:46:16
●NSns1.dns.ne.jp2026-03-06 → 2026-03-12 · 3 obs
○ 2019-01-31 20:04:14
● 2026-03-06 09:24:32
● 2026-03-12 08:46:16
●NSns2.dns.ne.jp2026-03-06 → 2026-03-12 · 3 obs
○ 2019-01-31 20:04:14
● 2026-03-06 09:24:32
● 2026-03-12 08:46:16
○NSns4.mcnet.ad.jp2019-01-31 → 2019-01-31 · 3 obs
● 2019-01-31 20:04:14
○ 2026-03-06 09:24:32
○ 2026-03-12 08:46:16
○NSns5.mcnet.ad.jp2019-01-31 → 2019-01-31 · 3 obs
● 2019-01-31 20:04:14
○ 2026-03-06 09:24:32
○ 2026-03-12 08:46:16
●MXe-study.jp2026-03-06 → 2026-03-12 · 3 obs
○ 2019-01-31 20:04:14
● 2026-03-06 09:24:32
● 2026-03-12 08:46:16
○MXmail.e-study.jp2019-01-31 → 2019-01-31 · 3 obs
● 2019-01-31 20:04:14
○ 2026-03-06 09:24:32
○ 2026-03-12 08:46:16
○A124.241.201.172019-01-31 → 2019-01-31 · 3 obs
● 2019-01-31 20:04:14
○ 2026-03-06 09:24:32
○ 2026-03-12 08:46:16
●A49.212.236.1962026-03-06 → 2026-03-12 · 3 obs
○ 2019-01-31 20:04:14
● 2026-03-06 09:24:32
● 2026-03-12 08:46:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, c.dns.jp, a.dns.jp, f.dns.jp...-
e-study.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ 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 e-study.jp (unsigned zone)

⏱️ Timing

Total: 1097ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.236.196
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1e-study.jp (pri: 10)
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Mail Server Role

e-study.jp serves as the mail server for e-study.jp.

IP Addresses

e-study.jp resolves to one IP number: 49.212.236.196.

Name Servers

e-study.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

e-study.jp at least partially shares name servers with other domains, including eco-field.sakura.ne.jp, 03.windows-keitai.com, once-net.co.jp, msv-ehc00086.sakura.ne.jp and 79.242.133.in-addr.arpa.

These name servers are commonly used with 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.

Mail Servers

e-study.jp is handled by a single mail server, e-study.jp.

Host name e-study.jp resolves to a single IP: 49.212.236.196.