activelearning.jp - robtex.com

activelearning.jp

DNSSEC⚠️ Not signed
A23.12.144.247🇺🇸 AKAMAI-ASN123.12.144.0/24 Akamai Technologies
PTRa23-12-144-247.deploy.static.akamaitechnologies.com
NSa1-35.akam.net ⭐
A2600:1401:2::23🇺🇸 Akamai2600:1401:2::/48 Technologies
PTRa1-35.akam.net
PTRns1-35.akam.net
A193.108.91.35🇳🇱 Akamai193.108.91.0/24 Technologies
PTRa1-35.akam.net
PTRns1-35.akam.net
NSa10-64.akam.net
A2600:1480:d000::40🇺🇸 Akamai2600:1480:d000::/48 Technologies
PTRa10-64.akam.net
A96.7.50.64🇺🇸 Akamai96.7.50.0/24 Technologies
PTRa10-64.akam.net
PTRusc3.akam.net
PTRusw5.akam.net
NSa11-65.akam.net
A2600:1480:1::41🇺🇸 Akamai2600:1480:1::/48 Technologies
PTRa11-65.akam.net
PTRns4-65.akam.net
A84.53.139.65🇳🇱 Akamai84.53.139.0/24 Technologies
PTRa11-65.akam.net
PTRns4-65.akam.net
NSa12-66.akam.net
A2600:1480:f000::42🇺🇸 Akamai2600:1480:f000::/48 Technologies
PTRa12-66.akam.net
A184.26.160.66🇺🇸 Akamai184.26.160.0/24 Technologies
PTRa12-66.akam.net
NSa13-67.akam.net
A2600:1480:800::43🇺🇸 Akamai2600:1480:800::/48 Technologies
PTRa13-67.akam.net
PTRns2-67.akam.net
A2.22.230.67🇳🇱 Akamai2.22.230.0/24 Technologies
PTRa13-67.akam.net
PTRns2-67.akam.net
NSa16-64.akam.net
A2600:1406:1b::40🇺🇸 Akamai2600:1406:1b::/48 Technologies
PTRa16-64.akam.net
A23.211.132.64🇺🇸 Akamai23.211.132.0/24 Technologies
PTRa16-64.akam.net
MXmail.activelearning.jp ⭐
A202.224.141.16🇯🇵 IIJ-AS202.224.128.0/18 IIJ IPv4 BLOCK ( AS2497 )
TXTfcyfr7rmbd5tbg0hhfb7br3ct34x8gbr
TXTv=spf1 ip4:202.224.141.0/26 include:_spf.google.com include:spf.protection.ou...
TXTgoogle-site-verification=VAWhiLswlHl6w2bu1GJSZNJGObZKoKN4NqDOEhDXRbU
SOAa1-35.akam.nethostmaster@activelearning.jp 2025-09-21 #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

Subdomains

mail.activelearning.jp

Same first word

activelearning.biz
activelearning.co
activelearning.eu
activelearning.io
activelearning.co.kr
activelearning.ph
activelearning.jp
activelearning.nl
activelearning.com.ar
activelearning.or.jp
activelearning.world
activelearning.online
activelearning.ca
activelearning.com.au
activelearning.cz
activelearning.ru
activelearning.info
activelearning.com
activelearning.gr

Similar names

learningactive.eu
valienteracing.com
learningactive.nl
craigvalentine.com
learningactive.com

DNS History

41 records (8 active, 33 former)

20162017201820192020202120222023202420252026NSa1-35.akam.neta10-64.akam.neta11-65.akam.neta12-66.akam.neta13-67.akam.neta16-64.akam.net01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXmail.activelearning.jpA23.12.144.247104.70.121.201104.70.121.203104.70.121.24104.70.121.40104.70.121.43104.70.121.83104.97.14.136184.51.149.56184.51.149.972.16.6.242.16.6.33202.224.141.4523.210.216.14623.210.216.15923.210.216.16423.210.216.16623.212.249.21023.212.249.21223.212.249.21323.212.250.1523.212.250.523.219.82.1823.219.82.8923.33.40.7623.33.40.8123.55.243.623.55.243.995.100.104.1595.100.104.28
○NS01.dnsv.jp2015-07-16 → 2016-12-24 · 4 obs
● 2015-07-16 16:13:46
● 2016-12-24 05:22:12
○ 2026-02-16 12:58:38
○ 2026-03-01 08:19:48
○NS02.dnsv.jp2015-07-16 → 2016-12-24 · 4 obs
● 2015-07-16 16:13:46
● 2016-12-24 05:22:12
○ 2026-02-16 12:58:38
○ 2026-03-01 08:19:48
○NS03.dnsv.jp2015-07-16 → 2016-12-24 · 4 obs
● 2015-07-16 16:13:46
● 2016-12-24 05:22:12
○ 2026-02-16 12:58:38
○ 2026-03-01 08:19:48
○NS04.dnsv.jp2015-07-16 → 2016-12-24 · 4 obs
● 2015-07-16 16:13:46
● 2016-12-24 05:22:12
○ 2026-02-16 12:58:38
○ 2026-03-01 08:19:48
●NSa1-35.akam.net2026-02-16 → 2026-03-01 · 3 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
● 2026-03-01 08:19:48
●NSa10-64.akam.net2026-02-16 → 2026-03-01 · 3 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
● 2026-03-01 08:19:48
●NSa11-65.akam.net2026-02-16 → 2026-03-01 · 3 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
● 2026-03-01 08:19:48
●NSa12-66.akam.net2026-02-16 → 2026-03-01 · 3 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
● 2026-03-01 08:19:48
●NSa13-67.akam.net2026-02-16 → 2026-03-01 · 3 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
● 2026-03-01 08:19:48
●NSa16-64.akam.net2026-02-16 → 2026-03-01 · 3 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
● 2026-03-01 08:19:48
●MXmail.activelearning.jp2026-02-16 → 2026-03-01 · 2 obs
● 2026-02-16 12:58:38
● 2026-03-01 08:19:48
○A104.70.121.2012026-02-20 → 2026-02-20 · 4 obs
○ 2026-02-20 00:53:44
● 2026-02-20 03:35:04
○ 2026-02-20 06:03:12
○ 2026-03-01 08:19:48
○A104.70.121.2032026-02-20 → 2026-02-20 · 4 obs
○ 2026-02-20 00:53:44
● 2026-02-20 03:35:04
○ 2026-02-20 06:03:12
○ 2026-03-01 08:19:48
○A104.70.121.242026-02-18 → 2026-02-19 · 10 obs
○ 2026-02-17 23:12:56
● 2026-02-18 00:23:48
○ 2026-02-18 12:13:04
○ 2026-02-18 19:57:16
● 2026-02-18 23:07:58
○ 2026-02-19 00:11:46
○ 2026-02-19 03:17:00
● 2026-02-19 04:39:10
○ 2026-02-19 05:25:46
○ 2026-03-01 08:19:48
○A104.70.121.402026-02-18 → 2026-02-19 · 7 obs
○ 2026-02-18 19:57:16
● 2026-02-18 23:07:58
○ 2026-02-19 00:11:46
○ 2026-02-19 03:17:00
● 2026-02-19 04:39:10
○ 2026-02-19 05:25:46
○ 2026-03-01 08:19:48
○A104.70.121.432026-02-18 → 2026-02-26 · 7 obs
○ 2026-02-17 23:12:56
● 2026-02-18 00:23:48
○ 2026-02-18 12:13:04
○ 2026-02-25 23:09:36
● 2026-02-26 00:11:38
○ 2026-02-26 07:23:08
○ 2026-03-01 08:19:48
○A104.70.121.832026-02-26 → 2026-02-26 · 4 obs
○ 2026-02-25 23:09:36
● 2026-02-26 00:11:38
○ 2026-02-26 07:23:08
○ 2026-03-01 08:19:48
○A104.97.14.1362026-02-18 → 2026-03-01 · 60 obs
○ 2026-02-18 18:06:54
● 2026-02-18 19:57:16
○ 2026-02-18 23:07:58
○ 2026-02-19 13:02:46
● 2026-02-19 13:55:52
● 2026-02-19 15:31:56
○ 2026-02-19 18:20:22
○ 2026-02-19 23:08:42
● 2026-02-20 00:53:44
○ 2026-02-20 03:35:04
● 2026-02-20 06:03:12
○ 2026-02-20 10:21:00
○ 2026-02-21 20:46:18
● 2026-02-22 01:14:26
○ 2026-02-22 03:33:24
○ 2026-02-22 05:39:36
● 2026-02-22 07:51:56
○ 2026-02-22 19:18:44
● 2026-02-22 20:45:00
● 2026-02-22 22:46:32
○ 2026-02-23 02:51:20
○ 2026-02-23 04:07:22
● 2026-02-23 20:53:20
○ 2026-02-24 00:11:00
● 2026-02-24 01:21:20
○ 2026-02-24 02:00:58
○ 2026-02-24 06:06:18
● 2026-02-24 09:12:14
○ 2026-02-24 10:37:36
○ 2026-02-24 17:19:40
● 2026-02-24 20:51:46
● 2026-02-24 23:35:10
○ 2026-02-25 05:37:50
○ 2026-02-25 17:37:48
● 2026-02-25 21:18:00
● 2026-02-25 22:35:16
○ 2026-02-25 23:09:36
○ 2026-02-26 00:11:38
● 2026-02-26 07:23:08
● 2026-02-26 11:24:50
○ 2026-02-26 12:28:16
○ 2026-02-26 13:09:16
● 2026-02-26 18:03:04
● 2026-02-26 19:58:50
○ 2026-02-26 23:45:30
○ 2026-02-27 00:17:24
● 2026-02-27 01:11:22
● 2026-02-27 08:15:40
○ 2026-02-27 10:47:56
○ 2026-02-27 15:50:18
● 2026-02-27 20:22:06
○ 2026-02-27 23:27:38
● 2026-02-28 03:28:56
○ 2026-02-28 05:49:28
○ 2026-02-28 21:34:28
● 2026-02-28 22:33:24
○ 2026-03-01 00:38:44
● 2026-03-01 04:29:10
○ 2026-03-01 05:44:56
○ 2026-03-01 08:19:48
○A184.51.149.562026-02-19 → 2026-02-21 · 15 obs
○ 2026-02-19 04:39:10
● 2026-02-19 05:25:46
● 2026-02-19 06:17:26
○ 2026-02-19 07:17:14
○ 2026-02-19 18:20:22
● 2026-02-19 23:08:42
○ 2026-02-20 00:53:44
○ 2026-02-20 06:03:12
● 2026-02-20 10:21:00
● 2026-02-20 11:30:44
○ 2026-02-20 15:25:48
○ 2026-02-21 10:35:12
● 2026-02-21 13:37:48
○ 2026-02-21 14:30:24
○ 2026-03-01 08:19:48
○A184.51.149.972026-02-19 → 2026-02-21 · 15 obs
○ 2026-02-19 04:39:10
● 2026-02-19 05:25:46
● 2026-02-19 06:17:26
○ 2026-02-19 07:17:14
○ 2026-02-19 18:20:22
● 2026-02-19 23:08:42
○ 2026-02-20 00:53:44
○ 2026-02-20 06:03:12
● 2026-02-20 10:21:00
● 2026-02-20 11:30:44
○ 2026-02-20 15:25:48
○ 2026-02-21 10:35:12
● 2026-02-21 13:37:48
○ 2026-02-21 14:30:24
○ 2026-03-01 08:19:48
○A2.16.6.242026-02-24 → 2026-02-26 · 8 obs
○ 2026-02-24 09:12:14
● 2026-02-24 10:37:36
● 2026-02-24 17:19:40
○ 2026-02-24 20:51:46
○ 2026-02-26 12:28:16
● 2026-02-26 13:09:16
○ 2026-02-26 18:03:04
○ 2026-03-01 08:19:48
○A2.16.6.332026-02-24 → 2026-02-26 · 8 obs
○ 2026-02-24 09:12:14
● 2026-02-24 10:37:36
● 2026-02-24 17:19:40
○ 2026-02-24 20:51:46
○ 2026-02-26 12:28:16
● 2026-02-26 13:09:16
○ 2026-02-26 18:03:04
○ 2026-03-01 08:19:48
○A202.224.141.452015-07-16 → 2016-12-24 · 4 obs
● 2015-07-16 16:13:46
● 2016-12-24 05:22:12
○ 2026-02-16 12:58:38
○ 2026-03-01 08:19:48
●A23.12.144.2472026-03-01 → 2026-03-01 · 3 obs
○ 2026-03-01 05:44:56
● 2026-03-01 08:19:46
● 2026-03-01 08:19:48
○A23.210.216.1462026-02-16 → 2026-03-01 · 28 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
○ 2026-02-17 00:09:16
● 2026-02-17 01:14:44
● 2026-02-17 20:00:00
○ 2026-02-17 23:12:56
○ 2026-02-18 00:23:48
● 2026-02-18 12:13:04
○ 2026-02-18 18:06:54
○ 2026-02-19 00:11:46
● 2026-02-19 03:17:00
○ 2026-02-19 04:39:10
○ 2026-02-19 06:17:26
● 2026-02-19 07:17:14
● 2026-02-19 13:02:46
○ 2026-02-19 13:55:52
○ 2026-02-19 15:31:56
● 2026-02-19 18:20:22
○ 2026-02-19 23:08:42
○ 2026-02-28 03:28:56
● 2026-02-28 05:49:28
● 2026-02-28 21:34:28
○ 2026-02-28 22:33:24
● 2026-03-01 00:38:44
○ 2026-03-01 04:29:10
● 2026-03-01 05:44:56
○ 2026-03-01 08:19:46
○ 2026-03-01 08:19:48
○A23.210.216.1592026-02-16 → 2026-03-01 · 64 obs
○ 2016-12-24 05:22:12
● 2026-02-16 12:58:38
○ 2026-02-17 00:09:16
● 2026-02-17 01:14:44
● 2026-02-17 20:00:00
○ 2026-02-17 23:12:56
○ 2026-02-18 00:23:48
● 2026-02-18 12:13:04
○ 2026-02-18 18:06:54
○ 2026-02-19 00:11:46
● 2026-02-19 03:17:00
○ 2026-02-19 04:39:10
○ 2026-02-19 06:17:26
● 2026-02-19 07:17:14
● 2026-02-19 13:02:46
○ 2026-02-19 13:55:52
○ 2026-02-19 15:31:56
● 2026-02-19 18:20:22
○ 2026-02-19 23:08:42
○ 2026-02-20 11:30:44
● 2026-02-20 15:25:48
● 2026-02-20 19:01:08
○ 2026-02-20 23:52:08
● 2026-02-21 10:35:12
○ 2026-02-21 13:37:48
○ 2026-02-22 01:14:26
● 2026-02-22 03:33:24
○ 2026-02-22 05:39:36
○ 2026-02-22 07:51:56
● 2026-02-22 19:18:44
○ 2026-02-22 20:45:00
○ 2026-02-22 22:46:32
● 2026-02-23 02:51:20
● 2026-02-23 04:07:22
○ 2026-02-23 20:53:20
○ 2026-02-24 01:21:20
● 2026-02-24 02:00:58
● 2026-02-24 06:06:18
○ 2026-02-24 09:12:14
○ 2026-02-24 23:35:10
● 2026-02-25 05:37:50
● 2026-02-25 17:37:48
○ 2026-02-25 21:18:00
○ 2026-02-25 22:35:16
● 2026-02-25 23:09:36
○ 2026-02-26 00:11:38
○ 2026-02-26 11:24:50
● 2026-02-26 12:28:16
○ 2026-02-26 13:09:16
○ 2026-02-26 19:58:50
● 2026-02-26 23:45:30
○ 2026-02-27 00:17:24
○ 2026-02-27 08:15:40
● 2026-02-27 10:47:56
○ 2026-02-27 14:07:12
○ 2026-02-28 03:28:56
● 2026-02-28 05:49:28
● 2026-02-28 21:34:28
○ 2026-02-28 22:33:24
● 2026-03-01 00:38:44
○ 2026-03-01 04:29:10
● 2026-03-01 05:44:56
○ 2026-03-01 08:19:46
○ 2026-03-01 08:19:48
○A23.210.216.1642026-02-24 → 2026-02-27 · 21 obs
○ 2026-02-24 01:21:20
● 2026-02-24 02:00:58
● 2026-02-24 06:06:18
○ 2026-02-24 09:12:14
○ 2026-02-24 23:35:10
● 2026-02-25 05:37:50
● 2026-02-25 17:37:48
○ 2026-02-25 21:18:00
○ 2026-02-25 22:35:16
● 2026-02-25 23:09:36
○ 2026-02-26 00:11:38
○ 2026-02-26 11:24:50
● 2026-02-26 12:28:16
○ 2026-02-26 13:09:16
○ 2026-02-26 19:58:50
● 2026-02-26 23:45:30
○ 2026-02-27 00:17:24
○ 2026-02-27 08:15:40
● 2026-02-27 10:47:56
○ 2026-02-27 14:07:12
○ 2026-03-01 08:19:48
○A23.210.216.1662026-02-20 → 2026-02-23 · 17 obs
○ 2026-02-20 11:30:44
● 2026-02-20 15:25:48
● 2026-02-20 19:01:08
○ 2026-02-20 23:52:08
● 2026-02-21 10:35:12
○ 2026-02-21 13:37:48
○ 2026-02-22 01:14:26
● 2026-02-22 03:33:24
○ 2026-02-22 05:39:36
○ 2026-02-22 07:51:56
● 2026-02-22 19:18:44
○ 2026-02-22 20:45:00
○ 2026-02-22 22:46:32
● 2026-02-23 02:51:20
● 2026-02-23 04:07:22
○ 2026-02-23 20:53:20
○ 2026-03-01 08:19:48
○A23.212.249.2102026-02-17 → 2026-02-27 · 17 obs
○ 2026-02-16 12:58:38
● 2026-02-17 00:09:16
○ 2026-02-17 01:14:44
○ 2026-02-21 13:37:48
● 2026-02-21 14:30:24
● 2026-02-21 20:46:18
○ 2026-02-22 01:14:26
○ 2026-02-22 03:33:24
● 2026-02-22 05:39:36
○ 2026-02-22 07:51:56
○ 2026-02-23 20:53:20
● 2026-02-24 00:11:00
○ 2026-02-24 01:21:20
○ 2026-02-27 20:22:06
● 2026-02-27 23:27:38
○ 2026-02-28 03:28:56
○ 2026-03-01 08:19:48
○A23.212.249.2122026-02-17 → 2026-02-27 · 20 obs
○ 2026-02-16 12:58:38
● 2026-02-17 00:09:16
○ 2026-02-17 01:14:44
○ 2026-02-21 13:37:48
● 2026-02-21 14:30:24
● 2026-02-21 20:46:18
○ 2026-02-22 01:14:26
○ 2026-02-22 03:33:24
● 2026-02-22 05:39:36
○ 2026-02-22 07:51:56
○ 2026-02-23 20:53:20
● 2026-02-24 00:11:00
○ 2026-02-24 01:21:20
○ 2026-02-27 10:47:56
● 2026-02-27 14:07:12
● 2026-02-27 15:50:18
○ 2026-02-27 20:22:06
● 2026-02-27 23:27:38
○ 2026-02-28 03:28:56
○ 2026-03-01 08:19:48
○A23.212.249.2132026-02-27 → 2026-02-27 · 5 obs
○ 2026-02-27 10:47:56
● 2026-02-27 14:07:12
● 2026-02-27 15:50:18
○ 2026-02-27 20:22:06
○ 2026-03-01 08:19:48
○A23.212.250.152026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-26 23:45:30
● 2026-02-27 00:17:24
○ 2026-02-27 01:11:22
○ 2026-03-01 08:19:48
○A23.212.250.52026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-26 23:45:30
● 2026-02-27 00:17:24
○ 2026-02-27 01:11:22
○ 2026-03-01 08:19:48
○A23.219.82.182026-02-17 → 2026-02-17 · 4 obs
○ 2026-02-17 20:00:00
● 2026-02-17 23:12:56
○ 2026-02-18 00:23:48
○ 2026-03-01 08:19:48
○A23.219.82.892026-02-17 → 2026-02-17 · 4 obs
○ 2026-02-17 20:00:00
● 2026-02-17 23:12:56
○ 2026-02-18 00:23:48
○ 2026-03-01 08:19:48
○A23.33.40.762026-02-18 → 2026-02-19 · 7 obs
○ 2026-02-18 12:13:04
● 2026-02-18 18:06:54
○ 2026-02-18 19:57:16
○ 2026-02-18 23:07:58
● 2026-02-19 00:11:46
○ 2026-02-19 03:17:00
○ 2026-03-01 08:19:48
○A23.33.40.812026-02-18 → 2026-02-19 · 7 obs
○ 2026-02-18 12:13:04
● 2026-02-18 18:06:54
○ 2026-02-18 19:57:16
○ 2026-02-18 23:07:58
● 2026-02-19 00:11:46
○ 2026-02-19 03:17:00
○ 2026-03-01 08:19:48
○A23.55.243.62026-02-16 → 2026-03-01 · 2 obs
○ 2026-02-16 12:58:38
○ 2026-03-01 08:19:48
○A23.55.243.92026-02-16 → 2026-03-01 · 2 obs
○ 2026-02-16 12:58:38
○ 2026-03-01 08:19:48
○A95.100.104.152026-02-20 → 2026-02-20 · 4 obs
○ 2026-02-20 19:01:08
● 2026-02-20 23:52:08
○ 2026-02-21 10:35:12
○ 2026-03-01 08:19:48
○A95.100.104.282026-02-20 → 2026-02-20 · 4 obs
○ 2026-02-20 19:01:08
● 2026-02-20 23:52:08
○ 2026-02-21 10:35:12
○ 2026-03-01 08:19:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, f.dns.jp, b.dns.jp, g.dns.jp...-
activelearning.jpa16-64.akam.net, a1-35.akam.net, a10-64.akam.net, a11-65.akam.net...-

✅ Authoritative Response

Server: 96.7.50.64

NS records: a16-64.akam.net, a1-35.akam.net, a10-64.akam.net, a11-65.akam.net, a12-66.akam.net, a13-67.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for activelearning.jp (unsigned zone)

⏱️ Timing

Total: 708ms | Queries: -

📄 Records

TypeCountSample Data
A123.12.144.247
NS6a1-35.akam.net, a11-65.akam.net...
MX1mail.activelearning.jp (pri: 50)
TXT3google-site-verification=VAWhiLswlHl6w2b, v=spf1 ip4:202.224.141.0/26 include:_spf...
SOA1a1-35.akam.net hostmaster.activelearning

Analysis

Hierarchy

activelearning.jp is the parent of mail.activelearning.jp.

IP Addresses

activelearning.jp resolves to one IP number: 23.12.144.247.

other host names including e189357.a.akamaiedge.net, gskpro.nl, e27558.a.akamaiedge.net, gskpro.com.ar and e232299.a.akamaiedge.net share IP numbers with activelearning.jp.

Name Servers

activelearning.jp is delegated to six name servers: a1-35.akam.net, a10-64.akam.net, a11-65.akam.net, a12-66.akam.net, a13-67.akam.net and a16-64.akam.net.

activelearning.jp at least partially shares name servers with other domains, for instance insearchonline.com, eamobile.hu, chs.state.ma.us, dnbhoovers.com and uoelder.net.

These name servers are commonly used with the following name servers: a7-65.akam.net, a3-67.akam.net, a3-66.akam.net, a22-67.akam.net, a4-64.akam.net, a24-64.akam.net, a5-65.akam.net, a9-66.akam.net, a2-66.akam.net and a7-66.akam.net.

Host names with two IP numbers:

a1-35.akam.net points to 2600:1401:2::23 and 193.108.91.35.

a10-64.akam.net points to 2600:1480:d000::40 and 96.7.50.64.

a11-65.akam.net points to 2600:1480:1::41 and 84.53.139.65.

a12-66.akam.net points to 2600:1480:f000::42 and 184.26.160.66.

a13-67.akam.net points to 2600:1480:800::43 and 2.22.230.67.

a16-64.akam.net points to 2600:1406:1b::40 and 23.211.132.64.

Mail Servers

activelearning.jp is handled by a single mail server, mail.activelearning.jp.

mail.activelearning.jp resolves to IP 202.224.141.16.