w-ac.jp - robtex.com

w-ac.jp

DNSSEC⚠️ Not signed
A219.94.209.240🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR240.209.94.219.static.www325b.sakura.ne.jp
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXworkacademy.sakura.ne.jp ⭐
A219.94.209.240🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR240.209.94.219.static.www325b.sakura.ne.jp
TXTv=spf1 mx ip4:219.94.155.155 include:_spf.google.com ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1747896181

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=1780180203
WOT: SAFE (62/100)

Subdomains

www.w-ac.jp

Same first word

w-ac.ch

Similar names

wa-c.com
ac-w.com
ac-w.ch
a-cw.at
wc-a.jp
w-ca.net
wc-a.co.jp
a-wc.com
c-wa.de
c-wa.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns.w-ac.jpnsx.clara.co.jpMXworkacademy.sakura.ne.jpalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA219.94.209.240124.108.39.103
●NS01.dnsv.jp2026-05-30 → 2026-05-30 · 3 obs
○ 2017-01-16 04:47:50
● 2026-05-30 23:05:16
● 2026-05-30 23:05:18
●NS02.dnsv.jp2026-05-30 → 2026-05-30 · 3 obs
○ 2017-01-16 04:47:50
● 2026-05-30 23:05:16
● 2026-05-30 23:05:18
●NS03.dnsv.jp2026-05-30 → 2026-05-30 · 3 obs
○ 2017-01-16 04:47:50
● 2026-05-30 23:05:16
● 2026-05-30 23:05:18
●NS04.dnsv.jp2026-05-30 → 2026-05-30 · 3 obs
○ 2017-01-16 04:47:50
● 2026-05-30 23:05:16
● 2026-05-30 23:05:18
○NSns.w-ac.jp2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○NSnsx.clara.co.jp2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○MXalt1.aspmx.l.google.com2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○MXalt2.aspmx.l.google.com2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○MXaspmx.l.google.com2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○MXaspmx2.googlemail.com2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○MXaspmx3.googlemail.com2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○MXaspmx4.googlemail.com2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
○MXaspmx5.googlemail.com2015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
●MXworkacademy.sakura.ne.jp2026-05-30 → 2026-05-30 · 3 obs
○ 2017-01-16 04:47:50
● 2026-05-30 23:05:16
● 2026-05-30 23:05:18
○A124.108.39.1032015-08-21 → 2017-01-16 · 4 obs
● 2015-08-21 02:57:04
● 2017-01-16 04:47:50
○ 2026-05-30 23:05:16
○ 2026-05-30 23:05:18
●A219.94.209.2402026-05-30 → 2026-05-30 · 3 obs
○ 2017-01-16 04:47:50
● 2026-05-30 23:05:16
● 2026-05-30 23:05:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, e.dns.jp, d.dns.jp, f.dns.jp...-
w-ac.jp02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.34.53

NS records: 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for w-ac.jp (unsigned zone)

⏱️ Timing

Total: 3389ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.209.240
NS401.dnsv.jp, 02.dnsv.jp...
MX1workacademy.sakura.ne.jp (pri: 10)
TXT1v=spf1 mx ip4:219.94.155.155 include:_sp
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp...)

Analysis

Hierarchy

www.w-ac.jp is delegated beneath w-ac.jp.

IP Addresses

w-ac.jp points to a single IP number: 219.94.209.240.

Additional host names — 240.209.94.219.static.www325b.sakura.ne.jp, workacademy.com, workacademy.sakura.ne.jp and two others — share IP numbers with w-ac.jp.

Name Servers

w-ac.jp is delegated to 4 name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

There is at least partial name server overlap between w-ac.jp and other domains — mic-key.net, katsunuma.net, bacscloud.com and two more among them.

Host names with two IP numbers:

01.dnsv.jp points to 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp points to 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp points to 157.7.35.53 and 2400:8500:3fff::53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

w-ac.jp has one mail server: workacademy.sakura.ne.jp.

w-ac.jp shares the same mail server setup as other domains, including request-form.info, shikaku-form.info, workacademy.com and two others.

workacademy.sakura.ne.jp resolves to a single IP number: 219.94.209.240.