studyn.jp - dns.ninja
studyn.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1783827002 | ||||||
Previously MX for
studyn.jp |
Subdomains
mx.studyn.jp |
Same first word
studyn.jp |
Similar names
sytdun.com |
nstudy.com |
nstudy.ru |
nudyst.com |
tyudns.com |
sunydt.com |
dustyn.de |
studny.net |
dustyn.org |
stdyun.com |
nstudy.info |
tydsun.cn |
nystud.com |
DNS History
22 records (7 active, 15 former)
●NSns-1244.awsdns-27.org2017-02-02 → 2026-07-12 · 3 obs
● 2017-02-02 17:08:46
● 2026-07-12 04:05:16
●NSns-1858.awsdns-40.co.uk2017-02-02 → 2026-07-12 · 3 obs
● 2017-02-02 17:08:46
● 2026-07-12 04:05:16
●NSns-599.awsdns-10.net2017-02-02 → 2026-07-12 · 3 obs
● 2017-02-02 17:08:46
● 2026-07-12 04:05:16
●NSns-92.awsdns-11.com2017-02-02 → 2026-07-12 · 3 obs
● 2017-02-02 17:08:46
● 2026-07-12 04:05:16
○NSns.infojam.net2015-08-16 → 2016-05-01 · 4 obs
● 2016-05-01 20:26:42
○ 2017-02-02 17:08:46
○ 2026-07-12 04:05:16
○NSns2.infojam.net2015-08-16 → 2016-05-01 · 4 obs
● 2016-05-01 20:26:42
○ 2017-02-02 17:08:46
○ 2026-07-12 04:05:16
●MXe-vision.sakura.ne.jp2026-05-25 → 2026-07-12 · 3 obs
● 2026-05-25 05:46:26
● 2026-07-12 04:05:16
○MXmx.studyn.jp2026-03-14 → 2026-03-17 · 5 obs
● 2026-03-14 03:05:00
● 2026-03-17 12:10:20
○ 2026-05-25 05:46:26
○ 2026-07-12 04:05:16
○MXstudyn.jp2015-08-16 → 2018-08-14 · 4 obs
● 2018-08-14 19:26:14
○ 2026-03-14 03:05:00
○ 2026-07-12 04:05:16
○A13.192.178.2372026-05-25 → 2026-05-25 · 5 obs
● 2026-05-25 05:46:26
● 2026-05-25 06:18:56
○ 2026-05-28 02:02:00
○ 2026-07-12 04:05:16
○A13.192.225.1392026-03-14 → 2026-03-14 · 4 obs
● 2026-03-14 03:05:00
○ 2026-03-17 12:10:20
○ 2026-07-12 04:05:16
○A13.193.124.532026-03-17 → 2026-03-17 · 4 obs
● 2026-03-17 12:10:20
○ 2026-05-25 05:46:26
○ 2026-07-12 04:05:16
●A13.196.51.122026-07-12 → 2026-07-12 · 3 obs
● 2026-07-12 04:05:14
● 2026-07-12 04:05:16
○A3.115.133.1422026-05-25 → 2026-05-28 · 5 obs
● 2026-05-25 05:46:26
● 2026-05-28 02:02:00
○ 2026-06-08 08:41:40
○ 2026-07-12 04:05:16
○A3.115.205.352026-03-14 → 2026-03-17 · 5 obs
● 2026-03-14 03:05:00
● 2026-03-17 12:10:20
○ 2026-05-25 05:46:26
○ 2026-07-12 04:05:16
○A35.73.184.1852026-03-14 → 2026-07-12 · 2 obs
○ 2026-07-12 04:05:16
○A35.79.237.212026-03-14 → 2026-07-12 · 2 obs
○ 2026-07-12 04:05:16
○A52.194.38.1502026-06-08 → 2026-06-08 · 4 obs
● 2026-06-08 08:41:40
○ 2026-07-12 04:05:14
○ 2026-07-12 04:05:16
●A52.196.26.1822026-07-12 → 2026-07-12 · 3 obs
● 2026-07-12 04:05:14
● 2026-07-12 04:05:16
○A52.197.203.2502026-05-28 → 2026-05-28 · 4 obs
● 2026-05-28 02:02:00
○ 2026-06-08 08:41:40
○ 2026-07-12 04:05:16
○A54.178.110.282026-06-08 → 2026-06-08 · 4 obs
● 2026-06-08 08:41:40
○ 2026-07-12 04:05:14
○ 2026-07-12 04:05:16
○A54.199.192.2302015-08-16 → 2018-08-14 · 4 obs
● 2018-08-14 19:26:14
○ 2026-03-14 03:05:00
○ 2026-07-12 04:05:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| studyn.jp | ns-1244.awsdns-27.org, ns-1858.awsdns-40.co.uk, ns-92.awsdns-11.com, ns-599.awsdns-10.net | - |
✅ Authoritative Response
Server:205.251.196.220
NS records: ns-1244.awsdns-27.org, ns-1858.awsdns-40.co.uk, ns-92.awsdns-11.com, ns-599.awsdns-10.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyn.jp (unsigned zone)
⏱️ Timing
Total: 1685ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.196.51.12, 52.196.26.182 |
| NS | 4 | ns-1244.awsdns-27.org, ns-1858.awsdns-40.co.uk... |
| MX | 1 | e-vision.sakura.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3173.sakura.ne.jp a:e-vision |
| SOA | 1 | ns-1858.awsdns-40.co.uk awsdns-hostmaste |
Analysis
Hierarchy
studyn.jp is the parent zone for mx.studyn.jp.
IP Addresses
studyn.jp directs to two IP numbers, 13.196.51.12 and 52.196.26.182
Name Servers
The NS records for studyn.jp point to four name servers: ns-92.awsdns-11.com, ns-599.awsdns-10.net, ns-1244.awsdns-27.org and ns-1858.awsdns-40.co.uk.
studyn.jp partially shares its NS delegation with several other domains, including moc.edu, d229fsge2jdacc.cloudfront.net, vaultrealestate.com.au and two others.
In DNS configurations, these name servers often share authority with sdns3.ultradns.com, ns-531.awsdns-02.net, sdns3.ultradns.net and 7 other name servers.
ns-92.awsdns-11.com, ns-599.awsdns-10.net, ns-1244.awsdns-27.org and ns-1858.awsdns-40.co.uk each carry two IP addresses. ns-92.awsdns-11.com has 205.251.192.92 and 2600:9000:5300:5c00::1; ns-599.awsdns-10.net has 205.251.194.87 and 2600:9000:5302:5700::1; ns-1244.awsdns-27.org has 205.251.196.220 and 2600:9000:5304:dc00::1; ns-1858.awsdns-40.co.uk has 205.251.199.66 and 2600:9000:5307:4200::1.
Mail Servers
The sole mail server for studyn.jp is e-vision.sakura.ne.jp.
Among the domains sharing a mail server setup with studyn.jp are mobeek.net, akiya-athome.jp, oopsweb.tv and two others.
There is one IP number for e-vision.sakura.ne.jp: 112.78.216.176.