`cedec.cesa.or.jp`

DNSSEC	⚠️ Not signed
A	3.163.63.8^{🇺🇸 Amazon3.163.63.0/24}
		PTR	`server-3-163-63-8.gru3.r.cloudfront.net`
A	3.163.63.66^{🇺🇸 Amazon3.163.63.0/24}
A	3.163.63.89^{🇺🇸 Amazon3.163.63.0/24}
A	3.163.63.114^{🇺🇸 Amazon3.163.63.0/24}
NS	`ns-905.awsdns-49.net` ⭐
		A	2600:9000:5303:8900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-905.awsdns-49.net`
		A	205.251.195.137^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-905.awsdns-49.net`
NS	`ns-1173.awsdns-18.org`
		A	2600:9000:5304:9500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1173.awsdns-18.org`
		A	205.251.196.149^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1173.awsdns-18.org`
NS	`ns-1562.awsdns-03.co.uk`
		A	2600:9000:5306:1a00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1562.awsdns-03.co.uk`
		A	205.251.198.26^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1562.awsdns-03.co.uk`
NS	`ns-39.awsdns-04.com`
		A	2600:9000:5300:2700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-39.awsdns-04.com`
		A	205.251.192.39^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-39.awsdns-04.com`
MX	`inbound-smtp.ap-northeast-1.amazonaws.com` ⭐
		A	3.113.208.143^{🇯🇵 Amazon3.112.0.0/14 EC2 NRT prefix}
			PTR	`ec2-3-113-208-143.ap-northeast-1.compute.amazonaws.com`
		A	18.178.141.61^{🇯🇵 Amazon18.178.0.0/16 EC2 NRT prefix}
			PTR	`ec2-18-178-141-61.ap-northeast-1.compute.amazonaws.com`
		A	52.195.95.66^{🇯🇵 Amazon52.194.0.0/15 EC2 NRT prefix}
			PTR	`ec2-52-195-95-66.ap-northeast-1.compute.amazonaws.com`
TXT	`globalsign-domain-verification=3_z7AO5CmSXeaP7nDaWMl91AKi2Fi7wmujscSii3vN`
TXT	`v=spf1 ip4:57.180.91.40 ~all`
SOA	`ns-905.awsdns-49.net`awsdns-hostmaster@amazon.com serial=1

`cesa.or.jp`

	DNSSEC	⚠️ Not signed
	A	133.125.30.136^{🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
	NS	`skydns99.otsuka-office365.jp` ⭐
	NS	`skydns11.otsuka-office365.jp`
	NS	`skydns12.otsuka-office365.jp`
	NS	`skydns13.otsuka-office365.jp`
	MX	`cesa-or-jp.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com include:spf.bmv.jp include:spf.haih...`
	TXT	`_globalsign-domain-verification=WoTiq1Wx_4PxFwTgv6sq2n0U8KlAo6Sd4JPo2QkJeP`
	TXT	`google-site-verification=qHva27L29OJLfrRikVySNMjI9kV9zxNRZy3xO5d0zT4`
	SOA	`skydns99.otsuka-office365.jp`hostmaster@otsuka-office365.jp 2025-06-03 #1

WOT: SAFE (60/100)
rank #35416 globally
rank #721 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #147,717

Same first word

cedec.com.mx

cedec.org

cedec.be

cedec.com

cedec.tempurl.host

cedec.eu

cedec.org.pe

cedec.jp

cedec.de

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cedec.ca

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cedec.nl

cedec.com.co

cedec.ch

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cedec.it

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ecdec.com

edcec.org

ecdec.org

DNS History

57 records (9 active, 48 former)

●NSns-1173.awsdns-18.org2026-04-05 → 2026-06-02 · 2 obs

● 2026-04-05 23:52:22
● 2026-06-02 11:19:52

●NSns-1562.awsdns-03.co.uk2026-04-05 → 2026-06-02 · 2 obs

● 2026-04-05 23:52:22
● 2026-06-02 11:19:52

●NSns-39.awsdns-04.com2026-04-05 → 2026-06-02 · 2 obs

● 2026-04-05 23:52:22
● 2026-06-02 11:19:52

●NSns-905.awsdns-49.net2026-04-05 → 2026-06-02 · 2 obs

● 2026-04-05 23:52:22
● 2026-06-02 11:19:52

●MXinbound-smtp.ap-northeast-1.amazonaws.com2026-04-05 → 2026-06-02 · 2 obs

● 2026-04-05 23:52:22
● 2026-06-02 11:19:52

○A13.249.141.202026-05-19 → 2026-06-02 · 78 obs

○ 2026-05-19 11:01:52
● 2026-05-19 13:24:28
● 2026-05-19 17:49:14
○ 2026-05-19 21:23:10
● 2026-05-20 01:05:54
● 2026-05-20 02:32:16
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● 2026-05-20 10:08:38
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● 2026-05-21 03:27:22
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● 2026-05-21 23:47:32
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● 2026-05-23 01:16:06
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● 2026-05-23 10:31:14
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● 2026-05-24 00:27:10
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● 2026-05-24 10:19:10
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● 2026-05-25 05:35:34
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○ 2026-05-25 20:39:56
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● 2026-05-26 05:36:30
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● 2026-05-26 07:29:28
○ 2026-05-26 11:01:32
● 2026-05-26 14:01:08
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● 2026-05-26 19:54:00
○ 2026-05-27 05:09:06
○ 2026-05-27 14:57:02
● 2026-05-27 16:59:12
● 2026-05-28 02:41:50
○ 2026-05-28 14:57:42
● 2026-05-28 17:07:36
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○ 2026-05-30 02:08:26
● 2026-05-30 02:46:16
● 2026-05-30 04:04:42
○ 2026-05-30 13:13:54
● 2026-05-30 14:23:30
○ 2026-05-30 19:11:38
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● 2026-05-30 22:15:24
○ 2026-05-30 22:46:46
○ 2026-05-31 03:43:58
● 2026-05-31 09:44:20
○ 2026-05-31 12:19:42
○ 2026-06-02 00:38:50
● 2026-06-02 05:17:52
○ 2026-06-02 11:19:48
○ 2026-06-02 11:19:52

○A13.249.141.622026-05-19 → 2026-06-02 · 78 obs

○A13.249.141.712026-05-19 → 2026-06-02 · 78 obs

○A13.249.141.922026-05-19 → 2026-06-02 · 78 obs

○A13.33.109.362026-04-20 → 2026-05-19 · 84 obs

○ 2026-04-20 18:13:32
● 2026-04-20 20:06:32
○ 2026-04-21 00:44:36
○ 2026-04-21 02:26:34
● 2026-04-21 10:15:00
● 2026-04-21 15:49:34
○ 2026-04-21 22:33:56
○ 2026-04-24 22:40:04
● 2026-04-25 00:49:16
○ 2026-04-25 01:41:16
○ 2026-04-25 05:39:36
● 2026-04-25 11:18:12
○ 2026-04-25 13:08:28
● 2026-04-25 19:28:00
○ 2026-04-25 21:49:16
○ 2026-04-26 16:22:54
● 2026-04-26 17:21:04
○ 2026-04-27 03:20:48
○ 2026-04-27 15:03:14
● 2026-04-27 23:51:40
● 2026-04-28 00:30:58
○ 2026-04-28 03:32:50
● 2026-04-28 19:27:02
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○ 2026-04-29 08:04:54
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○ 2026-04-29 21:42:22
● 2026-04-30 00:27:40
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○ 2026-04-30 09:49:58
● 2026-04-30 10:20:14
○ 2026-04-30 11:25:28
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● 2026-05-01 00:30:54
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● 2026-05-01 15:20:24
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● 2026-05-02 06:15:58
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● 2026-05-03 00:26:40
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● 2026-05-03 06:35:40
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● 2026-05-04 00:26:54
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● 2026-05-06 12:20:50
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● 2026-05-08 20:13:32
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● 2026-05-09 11:28:54
● 2026-05-09 13:37:06
○ 2026-05-09 15:59:36
● 2026-05-09 17:30:50
○ 2026-05-09 18:20:34
○ 2026-05-10 13:43:08
● 2026-05-10 14:35:08
○ 2026-05-10 15:20:38
○ 2026-05-12 15:59:54
● 2026-05-12 18:32:12
○ 2026-05-12 21:18:30
● 2026-05-13 05:50:02
○ 2026-05-13 08:48:32
○ 2026-05-15 16:55:54
● 2026-05-15 18:04:46
○ 2026-05-15 18:40:20
○ 2026-05-15 20:37:10
● 2026-05-16 22:52:22
○ 2026-05-16 23:50:54
○ 2026-05-18 22:02:52
● 2026-05-18 22:52:18
○ 2026-05-19 01:21:38
○ 2026-05-19 04:13:06
● 2026-05-19 10:14:26
● 2026-05-19 11:01:52
○ 2026-05-19 13:24:28
○ 2026-06-02 11:19:52

○A13.33.109.482026-04-20 → 2026-05-19 · 84 obs

○A13.33.109.672026-04-20 → 2026-05-19 · 84 obs

○A13.33.109.842026-04-20 → 2026-05-19 · 84 obs

○A13.35.163.382026-05-27 → 2026-06-01 · 15 obs

○ 2026-05-27 09:29:00
● 2026-05-27 10:31:08
○ 2026-05-27 12:42:56
○ 2026-05-29 13:44:20
● 2026-05-30 01:29:16
○ 2026-05-30 02:08:26
○ 2026-05-30 19:11:38
● 2026-05-30 20:07:40
○ 2026-05-30 22:15:24
● 2026-05-30 22:46:46
○ 2026-05-31 03:43:58
○ 2026-05-31 18:29:24
● 2026-06-01 00:04:24
○ 2026-06-01 01:06:44
○ 2026-06-02 11:19:52

○A13.35.163.452026-05-27 → 2026-06-01 · 15 obs

○A13.35.163.472026-05-27 → 2026-06-01 · 15 obs

○A13.35.163.732026-05-27 → 2026-06-01 · 15 obs

○A18.239.168.1122026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 17:09:40
● 2026-05-07 18:57:14
○ 2026-05-07 19:38:30
○ 2026-06-02 11:19:52

○A18.239.168.172026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 17:09:40
● 2026-05-07 18:57:14
○ 2026-05-07 19:38:30
○ 2026-06-02 11:19:52

○A18.239.168.302026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 17:09:40
● 2026-05-07 18:57:14
○ 2026-05-07 19:38:30
○ 2026-06-02 11:19:52

○A18.239.168.892026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 17:09:40
● 2026-05-07 18:57:14
○ 2026-05-07 19:38:30
○ 2026-06-02 11:19:52

○A18.64.155.1032026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 23:52:22
○ 2026-04-06 05:33:58
○ 2026-06-02 11:19:52

○A18.64.155.1122026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 23:52:22
○ 2026-04-06 05:33:58
○ 2026-06-02 11:19:52

○A18.64.155.342026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 23:52:22
○ 2026-04-06 05:33:58
○ 2026-06-02 11:19:52

○A18.64.155.742026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 23:52:22
○ 2026-04-06 05:33:58
○ 2026-06-02 11:19:52

●A3.163.63.1142026-04-06 → 2026-06-02 · 156 obs

○ 2026-04-06 05:33:58
● 2026-04-06 13:49:08
○ 2026-04-06 16:55:38
○ 2026-04-08 02:07:36
● 2026-04-08 21:35:18
○ 2026-04-09 02:22:12
○ 2026-04-10 22:19:20
● 2026-04-12 17:02:32
○ 2026-04-12 23:32:46
○ 2026-04-13 01:42:42
● 2026-04-13 20:50:50
○ 2026-04-13 21:26:48
○ 2026-04-14 07:10:08
● 2026-04-14 10:45:16
○ 2026-04-14 12:33:32
○ 2026-04-14 14:17:22
● 2026-04-14 17:19:46
○ 2026-04-14 17:53:06
○ 2026-04-15 23:04:34
● 2026-04-16 00:16:30
○ 2026-04-16 01:53:34
○ 2026-04-17 13:02:50
● 2026-04-17 15:02:20
○ 2026-04-17 15:45:48
● 2026-04-18 00:13:48
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○ 2026-04-20 06:51:28
● 2026-04-20 17:13:38
● 2026-04-20 18:13:32
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○ 2026-04-23 17:30:16
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● 2026-04-24 18:56:04
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● 2026-04-26 01:07:34
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● 2026-04-29 01:11:58
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● 2026-05-25 20:39:56
● 2026-05-26 04:36:52
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● 2026-05-26 06:16:08
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● 2026-05-26 11:01:32
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● 2026-05-26 15:30:08
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○ 2026-05-27 05:39:58
● 2026-05-27 09:29:00
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● 2026-05-27 12:42:56
● 2026-05-27 14:57:02
○ 2026-05-27 16:59:12
○ 2026-05-29 11:37:10
● 2026-05-29 13:44:20
○ 2026-05-30 01:29:16
● 2026-05-30 02:08:26
○ 2026-05-30 02:46:16
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● 2026-05-31 03:43:58
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● 2026-05-31 12:19:42
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● 2026-06-01 01:06:44
● 2026-06-01 12:14:58
○ 2026-06-01 14:51:02
○ 2026-06-02 05:17:52
● 2026-06-02 11:19:48
● 2026-06-02 11:19:52

●A3.163.63.662026-04-06 → 2026-06-02 · 156 obs

●A3.163.63.82026-04-06 → 2026-06-02 · 156 obs

●A3.163.63.892026-04-06 → 2026-06-02 · 156 obs

○A3.164.36.1012026-05-28 → 2026-06-01 · 16 obs

○ 2026-05-28 02:41:50
● 2026-05-28 14:57:42
○ 2026-05-28 17:07:36
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○A3.170.19.1072026-04-20 → 2026-05-25 · 13 obs

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○A3.174.26.42026-05-18 → 2026-05-18 · 4 obs

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○A3.174.26.532026-05-18 → 2026-05-18 · 4 obs

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○A3.174.26.612026-05-18 → 2026-05-18 · 4 obs

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○A3.174.26.972026-05-18 → 2026-05-18 · 4 obs

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○A3.174.29.1112026-04-14 → 2026-04-20 · 40 obs

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○A3.174.29.642026-04-14 → 2026-04-20 · 40 obs

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○A3.174.59.1212026-05-09 → 2026-06-02 · 18 obs

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○A3.174.59.442026-05-09 → 2026-06-02 · 18 obs

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○A3.175.86.182026-05-27 → 2026-05-27 · 5 obs

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○A3.175.86.262026-05-27 → 2026-05-27 · 5 obs

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○A3.175.86.322026-05-27 → 2026-05-27 · 5 obs

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○A3.175.86.862026-05-27 → 2026-05-27 · 5 obs

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○A99.86.91.102026-04-06 → 2026-05-18 · 165 obs

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○A99.86.91.32026-04-06 → 2026-05-18 · 165 obs

○A99.86.91.312026-04-06 → 2026-05-18 · 165 obs

○A99.86.91.62026-04-06 → 2026-05-18 · 165 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, d.dns.jp, a.dns.jp, e.dns.jp...	-
cesa.or.jp	skydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp	3 records
cedec.cesa.or.jp	ns-1562.awsdns-03.co.uk, ns-1173.awsdns-18.org, ns-39.awsdns-04.com, ns-905.awsdns-49.net	-

✅ Authoritative Response

Server:205.251.195.137

NS records: ns-1562.awsdns-03.co.uk, ns-1173.awsdns-18.org, ns-39.awsdns-04.com, ns-905.awsdns-49.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cesa.or.jp (unsigned zone)

⏱️ Timing

Total: 1421ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.163.63.66, 3.163.63.114...`
NS	4	`ns-1173.awsdns-18.org, ns-1562.awsdns-03.co.uk...`
MX	1	`inbound-smtp.ap-northeast-1.amazonaws.co`
TXT	2	`globalsign-domain-verification=3_z7AO5Cm, v=spf1 ip4:57.180.91.40 ~all`
SOA	1	`ns-905.awsdns-49.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (skydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp)

Analysis

IP Addresses

With 4 IP addresses, cedec.cesa.or.jp directs to 3.163.63.8, 3.163.63.66, 3.163.63.89 and 3.163.63.114.

Among the host names that share IP numbers with cedec.cesa.or.jp are brattontechconsulting.com, w3k04mj6n.wxp.adobe-addons.com, wkilin738.wxp.adobe-addons.com and two others.

Name Servers

cedec.cesa.or.jp delegates DNS authority to 4 name servers — ns-39.awsdns-04.com, ns-905.awsdns-49.net, ns-1173.awsdns-18.org and ns-1562.awsdns-03.co.uk.

At least some of cedec.cesa.or.jp's name servers are shared with other domains, for example cloud.nextworld.net, azscene.co.jp, huedatastore.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-39.awsdns-04.com directs to 205.251.192.39 and 2600:9000:5300:2700::1; ns-905.awsdns-49.net directs to 205.251.195.137 and 2600:9000:5303:8900::1; ns-1173.awsdns-18.org directs to 205.251.196.149 and 2600:9000:5304:9500::1; ns-1562.awsdns-03.co.uk directs to 205.251.198.26 and 2600:9000:5306:1a00::1.

Mail Servers

cedec.cesa.or.jp routes its mail through a single mail server, inbound-smtp.ap-northeast-1.amazonaws.com.

cedec.cesa.or.jp has the same mail server arrangement as a number of other domains, for example ae.world, a-grossman.com, geminiot.com and two more.

cedec.cesa.or.jp shares at least some of its mail servers with other domains — for example ampityinfotech.com, conepla.co.jp, retailing-data.net and two more.

These mail servers tend to be used in conjunction with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two additional mail servers.

inbound-smtp.ap-northeast-1.amazonaws.com resolves to three IP numbers — 3.113.208.143, 18.178.141.61 and 52.195.95.66.

cedec.cesa.or.jp - robtex.com

cedec.cesa.or.jp

cesa.or.jp

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cedec.cesa.or.jp`

`cesa.or.jp`