ing-school.jp - robtex.com

ing-school.jp

DNSSEC⚠️ Not signed
A49.212.192.189🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRos3-302-40685.vs.sakura.ne.jp
NSns01.secomtrust.net ⭐
A2403:9400:1:2::11🇯🇵 SECOMTRUST2403:9400:1::/48 SECOM Trust Systems Co.,Ltd. X-Keiro: st-sdc-tec@ml.secom-sts.co.jp
A61.114.176.116🇯🇵 SECOMTRUST61.114.176.0/20 PACNET (proxy-registered route object)
PTRns01.secomtrust.net
NSa1-129.akam.net
A2600:1401:2::81🇺🇸 Akamai2600:1401:2::/48 Technologies
PTRa1-129.akam.net
PTRns1-129.akam.net
A193.108.91.129🇳🇱 Akamai193.108.91.0/24 Technologies
PTRa1-129.akam.net
PTRns1-129.akam.net
NSa13-64.akam.net
A2600:1480:800::40🇺🇸 Akamai2600:1480:800::/48 Technologies
PTRa13-64.akam.net
PTRns2-64.akam.net
A2.22.230.64🇳🇱 Akamai2.22.230.0/24 Technologies
PTRa13-64.akam.net
PTReur6.akam.net
PTRns2-64.akam.net
NSa14-66.akam.net
A2600:1480:1800::42🇺🇸 Akamai2600:1480:1800::/48 Technologies
PTRa14-66.akam.net
A184.26.161.66🇺🇸 Akamai184.26.161.0/24 Technologies
PTRa14-66.akam.net
NSa26-64.akam.net
A2600:1480:b800::40🇺🇸 Akamai2600:1480:b800::/48 Technologies
PTRa26-64.akam.net
A23.74.25.64🇺🇸 Akamai23.74.25.0/24 Technologies
PTRa26-64.akam.net
NSa28-66.akam.net
A2600:1480:d800::42🇺🇸 Akamai2600:1480:d800::/48 Technologies
PTRa28-66.akam.net
A95.100.173.66🇳🇱 Akamai95.100.173.0/24 Technologies
PTRa28-66.akam.net
NSa3-64.akam.net
A2600:1408:1c::40🇺🇸 Akamai2600:1408:1c::/48 Technologies
PTRa3-64.akam.net
PTRns7-64.akam.net
A96.7.49.64🇺🇸 Akamai96.7.49.0/24 Technologies
PTRa3-64.akam.net
PTRns7-64.akam.net
MXsv379.xbiz.ne.jp ⭐
A183.90.231.160🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv379.xbiz.ne.jp
TXTv=spf1 +a:sv379.xbiz.ne.jp +a:ing-school.jp +mx include:spf.sender.xserver.jp...
TXTglobalsign-domain-verification=_dty_6uSfZwfuLUYJFIxJwwICn0npUDdjmSRlG-Y-s
SOAns01.secomtrust.nettsuji_keiichi@ing-edu.com 2025-10-14 #5

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=1777030203

MX for

pop.ing-school.jp

Subdomains

www.ing-school.jp
pop.ing-school.jp

Same first word

ing-school.jp

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSa1-129.akam.neta13-64.akam.neta14-66.akam.neta26-64.akam.neta28-66.akam.neta3-64.akam.netns01.secomtrust.netingvd.ingnet.ne.jpns3.ingnet.ne.jpMXsv379.xbiz.ne.jppop.ing-school.jpA49.212.192.189133.242.5.141
●NSa1-129.akam.net2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
●NSa13-64.akam.net2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
●NSa14-66.akam.net2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
●NSa26-64.akam.net2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
●NSa28-66.akam.net2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
●NSa3-64.akam.net2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
○NSingvd.ingnet.ne.jp2015-08-14 → 2017-06-20 · 4 obs
● 2015-08-14 03:24:32
● 2017-06-20 10:17:24
○ 2026-03-26 01:01:56
○ 2026-04-24 12:02:52
●NSns01.secomtrust.net2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
○NSns3.ingnet.ne.jp2015-08-14 → 2017-06-20 · 4 obs
● 2015-08-14 03:24:32
● 2017-06-20 10:17:24
○ 2026-03-26 01:01:56
○ 2026-04-24 12:02:52
○MXpop.ing-school.jp2015-08-14 → 2017-06-20 · 4 obs
● 2015-08-14 03:24:32
● 2017-06-20 10:17:24
○ 2026-03-26 01:01:56
○ 2026-04-24 12:02:52
●MXsv379.xbiz.ne.jp2026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52
○A133.242.5.1412015-08-14 → 2017-06-20 · 4 obs
● 2015-08-14 03:24:32
● 2017-06-20 10:17:24
○ 2026-03-26 01:01:56
○ 2026-04-24 12:02:52
●A49.212.192.1892026-03-26 → 2026-04-24 · 3 obs
○ 2017-06-20 10:17:24
● 2026-03-26 01:01:56
● 2026-04-24 12:02:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
ing-school.jpa26-64.akam.net, a3-64.akam.net, a14-66.akam.net, a13-64.akam.net...-

✅ Authoritative Response

Server:95.100.173.66

NS records: a26-64.akam.net, a3-64.akam.net, a14-66.akam.net, a13-64.akam.net, a1-129.akam.net, a28-66.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ing-school.jp (unsigned zone)

⏱️ Timing

Total: 892ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.192.189
NS6a1-129.akam.net, a14-66.akam.net...
MX1sv379.xbiz.ne.jp (pri: 0)
TXT2globalsign-domain-verification=_dty_6uSf, v=spf1 +a:sv379.xbiz.ne.jp +a:ing-school
SOA1ns01.secomtrust.net tsuji_keiichi.ing-ed

Analysis

Hierarchy

ing-school.jp is a parent of www.ing-school.jp and pop.ing-school.jp.

Mail Server Role

The mail server for pop.ing-school.jp is ing-school.jp.

IP Addresses

ing-school.jp points to a single IP number: 49.212.192.189.

Other host names, for instance os3-302-40685.vs.sakura.ne.jp, share IP numbers with ing-school.jp.

Name Servers

ing-school.jp is delegated to seven name servers: a1-129.akam.net, a13-64.akam.net, a14-66.akam.net, a26-64.akam.net, a28-66.akam.net, a3-64.akam.net and ns01.secomtrust.net.

ing-school.jp at least partially shares name servers with other domains, for instance alpha.gr, dev.chibakogyo-bank.co.jp, harrisdetailsonline.com, fsisac.com and archbd.ms.gov.

These name servers are commonly used together with the name servers a7-66.akam.net, a14-67.akam.net, a11-64.akam.net, a5-65.akam.net, a24-65.akam.net, a14-65.akam.net, a5-64.akam.net, a22-64.akam.net, a4-64.akam.net and a3-67.akam.net.

Host names with two IP numbers:

a1-129.akam.net points to 2600:1401:2::81 and 193.108.91.129.

a13-64.akam.net points to 2600:1480:800::40 and 2.22.230.64.

a14-66.akam.net points to 2600:1480:1800::42 and 184.26.161.66.

a26-64.akam.net points to 2600:1480:b800::40 and 23.74.25.64.

a28-66.akam.net points to 2600:1480:d800::42 and 95.100.173.66.

a3-64.akam.net points to 2600:1408:1c::40 and 96.7.49.64.

ns01.secomtrust.net points to 2403:9400:1:2::11 and 61.114.176.116.

Mail Servers

ing-school.jp is handled by a single mail server, sv379.xbiz.ne.jp.

ing-school.jp uses the same mail server setup as other domains, such as pure02.pure.ne.jp.

sv379.xbiz.ne.jp points to a single IP: 183.90.231.160.