study-f.com - robtex.com

study-f.com

DNSSEC⚠️ Not signed
A153.123.7.51🇯🇵 AS131921153.123.6.0/23 GMO GlobalSign Holdings K.K.
PTRwx118.wadax-sv.jp
NSwx118.wadax-sv.jp ⭐
A153.123.7.51🇯🇵 AS131921153.123.6.0/23 GMO GlobalSign Holdings K.K.
PTRwx118.wadax-sv.jp
NSnswx101.wadax-sv.jp
A202.234.155.197🇯🇵 IDC202.234.155.0/24 Frontier Inc.
MXwxa105.wadax-sv.jp ⭐
A153.123.7.6🇯🇵 AS131921153.123.6.0/23 GMO GlobalSign Holdings K.K.
PTRwxa105.wadax-sv.jp
TXTv=spf1 +ip4:153.123.7.51 +include:_spf-sd.wadax-sv.jp ~all
SOAwx118.wadax-sv.jppostmaster@c-zemi.com 2023-07-26 #4

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Previously NS for

study-f.com

Subdomains

mail.study-f.com

Same first word

study-f.com

Similar names

f-study.com

DNS History

14 records (4 active, 10 former)

200920112013201520172019202120232025NSnswx101.wadax-sv.jpwx118.wadax-sv.jpdns2.wadax.ne.jpstudy-f.comsv15.wadax.ne.jpwns02.wadax.ne.jpwx26.wadax.ne.jpMXwxa105.wadax-sv.jpah03.wadax.ne.jpmail.study-f.comwh07.wadax.ne.jpA153.123.7.51203.145.249.2211.133.134.65
○NSdns2.wadax.ne.jp2015-06-01 → 2017-01-12 · 5 obs
○ 2008-03-15 01:59:20
● 2015-06-01 04:51:32
● 2017-01-12 09:23:44
○ 2018-09-05 20:40:12
○ 2026-03-23 14:53:36
●NSnswx101.wadax-sv.jp2026-03-13 → 2026-03-23 · 3 obs
○ 2018-09-05 20:40:12
● 2026-03-13 01:46:40
● 2026-03-23 14:53:36
○NSstudy-f.com2015-06-01 → 2018-09-05 · 5 obs
○ 2008-03-15 01:59:20
● 2015-06-01 04:51:32
● 2018-09-05 20:40:12
○ 2026-03-13 01:46:40
○ 2026-03-23 14:53:36
○NSsv15.wadax.ne.jp2015-06-01 → 2017-01-12 · 5 obs
○ 2008-03-15 01:59:20
● 2015-06-01 04:51:32
● 2017-01-12 09:23:44
○ 2018-09-05 20:40:12
○ 2026-03-23 14:53:36
○NSwns02.wadax.ne.jp2018-09-05 → 2018-09-05 · 4 obs
○ 2017-01-12 09:23:44
● 2018-09-05 20:40:12
○ 2026-03-13 01:46:40
○ 2026-03-23 14:53:36
●NSwx118.wadax-sv.jp2026-03-13 → 2026-03-23 · 3 obs
○ 2018-09-05 20:40:12
● 2026-03-13 01:46:40
● 2026-03-23 14:53:36
○NSwx26.wadax.ne.jp2018-09-05 → 2018-09-05 · 4 obs
○ 2017-01-12 09:23:44
● 2018-09-05 20:40:12
○ 2026-03-13 01:46:40
○ 2026-03-23 14:53:36
○MXah03.wadax.ne.jp2015-06-01 → 2017-01-12 · 5 obs
○ 2008-03-15 01:59:20
● 2015-06-01 04:51:32
● 2017-01-12 09:23:44
○ 2018-09-05 20:40:12
○ 2026-03-23 14:53:36
○MXmail.study-f.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 01:59:20
○ 2015-06-01 04:51:32
○ 2026-03-23 14:53:36
○MXwh07.wadax.ne.jp2018-09-05 → 2018-09-05 · 4 obs
○ 2017-01-12 09:23:44
● 2018-09-05 20:40:12
○ 2026-03-13 01:46:40
○ 2026-03-23 14:53:36
●MXwxa105.wadax-sv.jp2026-03-13 → 2026-03-23 · 3 obs
○ 2018-09-05 20:40:12
● 2026-03-13 01:46:40
● 2026-03-23 14:53:36
●A153.123.7.512026-03-13 → 2026-03-23 · 3 obs
○ 2018-09-05 20:40:12
● 2026-03-13 01:46:40
● 2026-03-23 14:53:36
○A203.145.249.22018-09-05 → 2018-09-05 · 4 obs
○ 2017-01-12 09:23:44
● 2018-09-05 20:40:12
○ 2026-03-13 01:46:40
○ 2026-03-23 14:53:36
○A211.133.134.652008-03-15 → 2017-01-12 · 4 obs
● 2008-03-15 01:59:20
● 2017-01-12 09:23:44
○ 2018-09-05 20:40:12
○ 2026-03-23 14:53:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
study-f.comnswx101.wadax-sv.jp, wx118.wadax-sv.jp-

✅ Authoritative Response

Server:202.234.155.197

NS records: nswx101.wadax-sv.jp, wx118.wadax-sv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study-f.com (unsigned zone)

⏱️ Timing

Total: 968ms | Queries: -

📄 Records

TypeCountSample Data
A1153.123.7.51
NS2wx118.wadax-sv.jp, nswx101.wadax-sv.jp
MX1wxa105.wadax-sv.jp (pri: 10)
TXT1v=spf1 +ip4:153.123.7.51 +include:_spf-s
SOA1wx118.wadax-sv.jp postmaster.c-zemi.com

Analysis

Hierarchy

mail.study-f.com has study-f.com as its parent.

IP Addresses

study-f.com maps to IP address 153.123.7.51.

Other host names, for instance shop-noa.co.jp, semipro.co.jp, kantechs.com, tecrus.co.jp and hamaun.co.jp share IP numbers with study-f.com.

Name Servers

Two name servers nswx101.wadax-sv.jp and wx118.wadax-sv.jp are delegated to study-f.com.

study-f.com uses the same name server configuration as other domains, such as zexus.info, supply-net.co.jp, tenshinen.com, fit-s.co.jp and trawin.net.

study-f.com at least partially shares name servers with other domains such as lios.jp, kksoil.com, jarl.org, humannetwork.jp and vagot.tokyo.

These name servers are often used together with wx106.wadax-sv.jp, wx124.wadax-sv.jp, wx107.wadax-sv.jp, wx114.wadax-sv.jp, wx110.wadax-sv.jp, wx105.wadax-sv.jp, wx108.wadax-sv.jp, wx104.wadax-sv.jp, wx122.wadax-sv.jp and wx113.wadax-sv.jp.

Host names with a single IP address:

nswx101.wadax-sv.jp points to 202.234.155.197

wx118.wadax-sv.jp points to 153.123.7.51

Mail Servers

study-f.com is handled by a single mail server, wxa105.wadax-sv.jp.

study-f.com shares the same mail server setup as other domains, including woodlike.co.jp, primal.co.jp, concieria-clinic.com, mssj.gr.jp and madeinjoetsu.jp.

study-f.com shares some mail servers with other domains, for instance vision-c.co.jp and amzwine.co.jp.

wxa105.wadax-sv.jp points to one IP number: 153.123.7.6.