`us.studentkeeper.com`

DNSSEC	⚠️ Not signed
A	108.138.64.13^{🇺🇸 Amazon108.138.64.0/21}
		PTR	`server-108-138-64-13.iad12.r.cloudfront.net`
A	108.138.64.15^{🇺🇸 Amazon108.138.64.0/21}
A	108.138.64.54^{🇺🇸 Amazon108.138.64.0/21}
A	108.138.64.60^{🇺🇸 Amazon108.138.64.0/21}
NS	`ns-2041.awsdns-63.co.uk` ⭐
		A	2600:9000:5307:f900::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2041.awsdns-63.co.uk`
		A	205.251.199.249^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2041.awsdns-63.co.uk`
NS	`ns-1154.awsdns-16.org`
		A	2600:9000:5304:8200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1154.awsdns-16.org`
		A	205.251.196.130^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1154.awsdns-16.org`
NS	`ns-304.awsdns-38.com`
		A	2600:9000:5301:3000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-304.awsdns-38.com`
		A	205.251.193.48^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-304.awsdns-38.com`
NS	`ns-628.awsdns-14.net`
		A	2600:9000:5302:7400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-628.awsdns-14.net`
		A	205.251.194.116^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-628.awsdns-14.net`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
TXT	`status-page-domain-verification=1k5c24j0jlst`
TXT	`v=spf1 include:amazonses.com include:stspg-customer.com ~all`
SOA	`ns-2041.awsdns-63.co.uk`awsdns-hostmaster@amazon.com serial=1

Same first word

us.al

us.com.au

us.s3-website-us-west-1.amazonaws.com

us.edu.pl

us.barclays

us.ac.kr

us.uz

us.ac

us.ee

us.world

us.cc

us.edu

us.ae

us.at

us.ngrok.io

us.af

us.email

us.global.prod.fastly.net

us.s3-website-us-west-2.amazonaws.com

us.uy

us.lv

us.s3-website.ap-northeast-1.amazonaws.com

us.com.ph

us.deals

us.ski

us.casino

us.katowice.pl

us.pe

us.gov

us.info

us.com.tr

us.ua

us.exchange

us.s3.amazonaws.com

us.edu.vn

us.si

us.marketing

us.s3-website.ca-central-1.amazonaws.com

us.su

us.app

us.org

us.eu.org

us.hm

us

us.life

us.fit

us.neustar

us.es

us.awsapps.com

us.fo

us.domains

us.ci

us.biz

us.nu

us.ph

us.tm

us.to

us.edu.kg

us.ht

us.ca

us.akamai.net

us.uk

us.be

us.loans

us.cafe

us.se

us.org.uk

us.tv

us.barclaycard

us.post

us.ws

us.esq

us.vc

us.com.eg

us.works

us.sv

us.edgesuite.net

us.glass

us.ma

us.tf

us.org.ua

us.jobs

us.de

us.servername.us

us.nf

us.kz

us.pl

us.is

us.com

us.av.tr

us.lt

us.edu.cv

us.fm

us.bike

us.media

us.by

us.id

us.no

us.dk

us.cx

us.st

us.nl

us.events

us.guru

us.hisamitsu

us.dev

Similar names

su.edu.et

su.tula.su

su.fo

su.dk

su.com.tr

su.co.uk

su.nu

su.cl

su.k12.tr

su.io

su.digital

su.edu.om

su.org.za

su.ac.th

su.mt

su.de

su.vc

su.gz.cn

su.my

su.com

su.in.th

su.chat

su.net.nz

su.edu.eg

su.net

su.id.lv

su.cz

su.cx

su.network

su.ac.kr

su.noip.us

su.ink

su.ac.za

su.baby

su.ac.rs

su.co.za

su.cc

su.edu.ly

su.co.kr

su.sg

su.hu

su.nl

su.no

su.edu.ph

su.domains

su.ph

DNS History

33 records (9 active, 24 former)

●NSns-1154.awsdns-16.org2026-03-03 → 2026-03-24 · 2 obs

● 2026-03-03 22:07:40
● 2026-03-24 15:39:14

●NSns-2041.awsdns-63.co.uk2026-03-03 → 2026-03-24 · 2 obs

● 2026-03-03 22:07:40
● 2026-03-24 15:39:14

●NSns-304.awsdns-38.com2026-03-03 → 2026-03-24 · 2 obs

● 2026-03-03 22:07:40
● 2026-03-24 15:39:14

●NSns-628.awsdns-14.net2026-03-03 → 2026-03-24 · 2 obs

● 2026-03-03 22:07:40
● 2026-03-24 15:39:14

●MXinbound-smtp.us-east-1.amazonaws.com2026-03-03 → 2026-03-24 · 2 obs

● 2026-03-03 22:07:40
● 2026-03-24 15:39:14

●A108.138.64.132026-03-05 → 2026-03-24 · 50 obs

○ 2026-03-05 19:57:18
● 2026-03-05 22:20:08
○ 2026-03-06 00:04:40
○ 2026-03-07 01:04:18
● 2026-03-07 03:00:12
○ 2026-03-07 04:53:56
○ 2026-03-10 06:22:42
● 2026-03-11 00:13:30
○ 2026-03-11 02:23:32
○ 2026-03-11 21:41:08
● 2026-03-12 00:13:52
○ 2026-03-12 02:21:34
○ 2026-03-12 11:02:20
● 2026-03-12 14:20:14
○ 2026-03-12 15:09:08
● 2026-03-12 18:01:08
○ 2026-03-12 20:23:52
○ 2026-03-14 22:26:08
● 2026-03-15 00:10:56
○ 2026-03-15 01:08:26
○ 2026-03-15 19:52:46
● 2026-03-15 20:37:56
○ 2026-03-15 21:22:54
○ 2026-03-15 23:17:40
● 2026-03-16 00:12:06
○ 2026-03-16 01:30:56
○ 2026-03-16 06:26:34
● 2026-03-16 09:24:06
○ 2026-03-16 12:02:26
○ 2026-03-17 07:34:04
● 2026-03-17 10:53:58
○ 2026-03-17 12:59:26
○ 2026-03-17 23:33:48
● 2026-03-18 00:13:40
○ 2026-03-18 02:18:32
○ 2026-03-19 11:29:36
● 2026-03-19 16:03:00
○ 2026-03-19 21:48:46
○ 2026-03-19 23:01:24
● 2026-03-20 00:13:28
○ 2026-03-20 02:23:36
○ 2026-03-20 10:59:58
● 2026-03-20 14:24:34
○ 2026-03-20 21:05:12
○ 2026-03-21 21:50:30
● 2026-03-22 00:13:40
○ 2026-03-22 01:29:46
○ 2026-03-24 14:22:06
● 2026-03-24 15:39:10
● 2026-03-24 15:39:14

●A108.138.64.152026-03-05 → 2026-03-24 · 50 obs

●A108.138.64.542026-03-05 → 2026-03-24 · 50 obs

●A108.138.64.602026-03-05 → 2026-03-24 · 50 obs

○A18.160.41.132026-03-07 → 2026-03-19 · 17 obs

○ 2026-03-07 12:04:38
● 2026-03-07 15:02:42
○ 2026-03-07 17:37:34
○ 2026-03-09 21:44:44
● 2026-03-10 00:13:34
○ 2026-03-10 06:22:42
○ 2026-03-16 16:02:18
● 2026-03-16 18:12:58
● 2026-03-16 19:38:10
○ 2026-03-16 23:03:00
● 2026-03-17 00:13:00
● 2026-03-17 01:58:08
○ 2026-03-17 03:03:26
○ 2026-03-19 07:51:06
● 2026-03-19 08:26:14
○ 2026-03-19 11:29:36
○ 2026-03-24 15:39:14

○A18.160.41.252026-03-07 → 2026-03-19 · 17 obs

○A18.160.41.592026-03-07 → 2026-03-19 · 17 obs

○A18.160.41.772026-03-07 → 2026-03-19 · 17 obs

○A18.173.5.112026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:22:18
● 2026-03-23 06:38:58
○ 2026-03-23 08:12:02
○ 2026-03-24 15:39:14

○A18.173.5.152026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:22:18
● 2026-03-23 06:38:58
○ 2026-03-23 08:12:02
○ 2026-03-24 15:39:14

○A18.173.5.642026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:22:18
● 2026-03-23 06:38:58
○ 2026-03-23 08:12:02
○ 2026-03-24 15:39:14

○A18.173.5.772026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:22:18
● 2026-03-23 06:38:58
○ 2026-03-23 08:12:02
○ 2026-03-24 15:39:14

○A3.164.68.1112026-03-22 → 2026-03-24 · 11 obs

○ 2026-03-22 06:22:42
● 2026-03-22 15:11:52
● 2026-03-22 16:00:34
○ 2026-03-22 18:12:44
● 2026-03-22 22:40:30
○ 2026-03-23 02:22:18
○ 2026-03-24 03:28:42
● 2026-03-24 06:58:56
● 2026-03-24 14:22:06
○ 2026-03-24 15:39:10
○ 2026-03-24 15:39:14

○A3.164.68.202026-03-22 → 2026-03-24 · 11 obs

○A3.164.68.452026-03-22 → 2026-03-24 · 11 obs

○A3.164.68.912026-03-22 → 2026-03-24 · 11 obs

○A3.167.192.252026-03-03 → 2026-03-21 · 93 obs

● 2026-03-03 22:07:40
○ 2026-03-04 01:10:34
○ 2026-03-04 21:30:30
● 2026-03-04 22:04:42
○ 2026-03-04 23:13:54
○ 2026-03-06 19:25:34
● 2026-03-06 20:22:32
○ 2026-03-07 00:26:26
○ 2026-03-08 12:58:20
● 2026-03-08 14:13:28
○ 2026-03-08 15:06:18
● 2026-03-08 18:01:46
○ 2026-03-08 21:21:10
○ 2026-03-09 03:26:06
● 2026-03-09 03:59:18
● 2026-03-09 07:25:36
○ 2026-03-09 08:12:34
● 2026-03-09 08:58:08
● 2026-03-09 11:04:16
○ 2026-03-09 14:21:18
● 2026-03-09 15:22:42
● 2026-03-09 21:44:44
○ 2026-03-10 00:13:34
● 2026-03-10 06:22:42
○ 2026-03-11 00:13:30
○ 2026-03-11 07:33:36
● 2026-03-11 10:24:42
○ 2026-03-11 17:25:18
○ 2026-03-12 14:20:14
● 2026-03-12 15:09:08
○ 2026-03-12 18:01:08
○ 2026-03-13 05:32:28
● 2026-03-13 06:53:18
○ 2026-03-13 08:23:56
○ 2026-03-13 10:33:46
● 2026-03-13 11:22:16
○ 2026-03-13 14:26:44
○ 2026-03-13 22:05:24
● 2026-03-14 00:34:08
○ 2026-03-14 02:03:46
○ 2026-03-14 08:31:26
● 2026-03-14 10:06:36
○ 2026-03-14 10:44:20
○ 2026-03-14 13:23:22
● 2026-03-14 14:03:50
● 2026-03-14 14:52:44
○ 2026-03-14 16:20:54
○ 2026-03-14 18:54:48
● 2026-03-14 22:26:08
○ 2026-03-15 00:10:56
● 2026-03-15 01:08:26
○ 2026-03-15 02:51:28
● 2026-03-15 09:51:30
● 2026-03-15 12:01:04
○ 2026-03-15 14:28:00
● 2026-03-15 18:32:06
○ 2026-03-15 19:13:18
○ 2026-03-16 02:22:58
● 2026-03-16 04:53:44
● 2026-03-16 06:26:34
○ 2026-03-16 09:24:06
● 2026-03-16 12:02:26
● 2026-03-16 16:02:18
○ 2026-03-16 18:12:58
○ 2026-03-17 01:58:08
● 2026-03-17 03:03:26
○ 2026-03-17 03:39:22
● 2026-03-17 05:22:20
● 2026-03-17 07:34:04
○ 2026-03-17 10:53:58
● 2026-03-17 12:59:26
○ 2026-03-17 15:09:04
○ 2026-03-18 00:13:40
● 2026-03-18 02:18:32
○ 2026-03-18 02:53:50
● 2026-03-18 06:00:24
○ 2026-03-18 08:10:02
○ 2026-03-19 01:44:28
● 2026-03-19 02:41:08
○ 2026-03-19 07:51:06
○ 2026-03-19 16:03:00
● 2026-03-19 21:48:46
○ 2026-03-19 23:01:24
○ 2026-03-20 02:23:36
● 2026-03-20 04:21:24
● 2026-03-20 07:16:30
○ 2026-03-20 10:23:56
● 2026-03-20 10:59:58
○ 2026-03-20 14:24:34
○ 2026-03-21 17:04:18
● 2026-03-21 20:33:24
○ 2026-03-21 21:50:30
○ 2026-03-24 15:39:14

○A3.167.192.352026-03-03 → 2026-03-21 · 93 obs

○A3.167.192.522026-03-03 → 2026-03-21 · 93 obs

○A3.167.192.822026-03-03 → 2026-03-21 · 93 obs

○A99.84.160.1152026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 10:44:20
● 2026-03-14 11:59:34
○ 2026-03-14 13:23:22
○ 2026-03-14 14:52:44
● 2026-03-14 16:20:54
○ 2026-03-14 16:52:58
○ 2026-03-24 15:39:14

○A99.84.160.672026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 10:44:20
● 2026-03-14 11:59:34
○ 2026-03-14 13:23:22
○ 2026-03-14 14:52:44
● 2026-03-14 16:20:54
○ 2026-03-14 16:52:58
○ 2026-03-24 15:39:14

○A99.84.160.812026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 10:44:20
● 2026-03-14 11:59:34
○ 2026-03-14 13:23:22
○ 2026-03-14 14:52:44
● 2026-03-14 16:20:54
○ 2026-03-14 16:52:58
○ 2026-03-24 15:39:14

○A99.84.160.902026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 10:44:20
● 2026-03-14 11:59:34
○ 2026-03-14 13:23:22
○ 2026-03-14 14:52:44
● 2026-03-14 16:20:54
○ 2026-03-14 16:52:58
○ 2026-03-24 15:39:14

○A99.86.91.1132026-03-04 → 2026-03-24 · 122 obs

○ 2026-03-03 22:07:40
● 2026-03-04 01:10:34
● 2026-03-04 21:30:30
○ 2026-03-04 22:04:42
● 2026-03-04 23:13:54
● 2026-03-05 19:57:18
○ 2026-03-05 22:20:08
● 2026-03-06 00:04:40
● 2026-03-06 19:25:34
○ 2026-03-06 20:22:32
● 2026-03-07 00:26:26
● 2026-03-07 01:04:18
○ 2026-03-07 03:00:12
● 2026-03-07 04:53:56
● 2026-03-07 12:04:38
○ 2026-03-07 15:02:42
● 2026-03-07 17:37:34
● 2026-03-08 12:58:20
○ 2026-03-08 14:13:28
● 2026-03-08 15:06:18
○ 2026-03-08 18:01:46
● 2026-03-08 21:21:10
● 2026-03-09 03:26:06
○ 2026-03-09 03:59:18
○ 2026-03-09 07:25:36
● 2026-03-09 08:12:34
○ 2026-03-09 08:58:08
○ 2026-03-09 11:04:16
● 2026-03-09 14:21:18
○ 2026-03-09 15:22:42
○ 2026-03-11 00:13:30
● 2026-03-11 02:23:32
● 2026-03-11 07:33:36
○ 2026-03-11 10:24:42
● 2026-03-11 17:25:18
● 2026-03-11 21:41:08
○ 2026-03-12 00:13:52
● 2026-03-12 02:21:34
● 2026-03-12 11:02:20
○ 2026-03-12 14:20:14
○ 2026-03-12 18:01:08
● 2026-03-12 20:23:52
● 2026-03-13 05:32:28
○ 2026-03-13 06:53:18
● 2026-03-13 08:23:56
● 2026-03-13 10:33:46
○ 2026-03-13 11:22:16
● 2026-03-13 14:26:44
● 2026-03-13 22:05:24
○ 2026-03-14 00:34:08
● 2026-03-14 02:03:46
● 2026-03-14 08:31:26
○ 2026-03-14 10:06:36
● 2026-03-14 10:44:20
○ 2026-03-14 11:59:34
● 2026-03-14 13:23:22
○ 2026-03-14 14:03:50
○ 2026-03-14 16:20:54
● 2026-03-14 16:52:58
● 2026-03-14 18:54:48
○ 2026-03-14 22:26:08
○ 2026-03-15 01:08:26
● 2026-03-15 02:51:28
○ 2026-03-15 09:51:30
○ 2026-03-15 12:01:04
● 2026-03-15 14:28:00
○ 2026-03-15 18:32:06
● 2026-03-15 19:13:18
● 2026-03-15 19:52:46
○ 2026-03-15 20:37:56
● 2026-03-15 21:22:54
● 2026-03-15 23:17:40
○ 2026-03-16 00:12:06
● 2026-03-16 01:30:56
● 2026-03-16 02:22:58
○ 2026-03-16 04:53:44
○ 2026-03-16 19:38:10
● 2026-03-16 23:03:00
○ 2026-03-17 00:13:00
○ 2026-03-17 03:03:26
● 2026-03-17 03:39:22
○ 2026-03-17 05:22:20
○ 2026-03-17 12:59:26
● 2026-03-17 15:09:04
● 2026-03-17 23:33:48
○ 2026-03-18 00:13:40
○ 2026-03-18 02:18:32
● 2026-03-18 02:53:50
○ 2026-03-18 06:00:24
● 2026-03-18 08:10:02
● 2026-03-19 01:44:28
○ 2026-03-19 02:41:08
● 2026-03-19 07:51:06
○ 2026-03-19 08:26:14
● 2026-03-19 11:29:36
○ 2026-03-19 16:03:00
○ 2026-03-19 21:48:46
● 2026-03-19 23:01:24
○ 2026-03-20 00:13:28
● 2026-03-20 02:23:36
○ 2026-03-20 04:21:24
○ 2026-03-20 07:16:30
● 2026-03-20 10:23:56
○ 2026-03-20 10:59:58
○ 2026-03-20 14:24:34
● 2026-03-20 21:05:12
● 2026-03-21 17:04:18
○ 2026-03-21 20:33:24
● 2026-03-21 21:50:30
○ 2026-03-22 00:13:40
● 2026-03-22 01:29:46
● 2026-03-22 06:22:42
○ 2026-03-22 15:11:52
○ 2026-03-22 16:00:34
● 2026-03-22 18:12:44
○ 2026-03-22 22:40:30
● 2026-03-23 02:22:18
○ 2026-03-23 06:38:58
● 2026-03-23 08:12:02
● 2026-03-24 03:28:42
○ 2026-03-24 06:58:56
○ 2026-03-24 15:39:14

○A99.86.91.172026-03-04 → 2026-03-24 · 122 obs

○A99.86.91.52026-03-04 → 2026-03-24 · 122 obs

○A99.86.91.572026-03-04 → 2026-03-24 · 122 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
studentkeeper.com	ns-419.awsdns-52.com, ns-941.awsdns-53.net, ns-1727.awsdns-23.co.uk, ns-1430.awsdns-50.org	1 record
us.studentkeeper.com	ns-1154.awsdns-16.org, ns-2041.awsdns-63.co.uk, ns-304.awsdns-38.com, ns-628.awsdns-14.net	-

✅ Authoritative Response

Server:205.251.194.116

NS records: ns-1154.awsdns-16.org, ns-2041.awsdns-63.co.uk, ns-304.awsdns-38.com, ns-628.awsdns-14.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studentkeeper.com (unsigned zone)

⏱️ Timing

Total: 1567ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.64.54, 108.138.64.60...`
NS	4	`ns-1154.awsdns-16.org, ns-2041.awsdns-63.co.uk...`
MX	2	`inbound-smtp.us-east-1.amazonaws.com (pr, inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	2	`status-page-domain-verification=1k5c24j0, v=spf1 include:amazonses.com include:sts`
SOA	1	`ns-2041.awsdns-63.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-419.awsdns-52.com)

Analysis

IP Addresses

us.studentkeeper.com points to four IP numbers: 108.138.64.13, 108.138.64.15, 108.138.64.54 and 108.138.64.60.

Other host names, for instance donate.nifty.org, pmeinc.ca, drdiwakar.com, www.affinityatpuyallup.com and 537349.com share IP numbers with us.studentkeeper.com.

Name Servers

us.studentkeeper.com is delegated to four name servers: ns-304.awsdns-38.com, ns-628.awsdns-14.net, ns-1154.awsdns-16.org and ns-2041.awsdns-63.co.uk.

us.studentkeeper.com at least partially shares its name servers with other domains, for instance loyaltylion.net, infiplex.com, silvermooninn.com, nashualistings.com and vansfb19wh.com.

These name servers are commonly used with ns-1701.awsdns-20.co.uk, ns-766.awsdns-31.net, ns-336.awsdns-42.com, ns3.vortala.com, ns4.vortala.com, ns5.vortala.com and ns6.vortala.com.

Host names with two IPs: ns-304.awsdns-38.com points to 2600:9000:5301:3000::1 and 205.251.193.48; ns-628.awsdns-14.net points to 2600:9000:5302:7400::1 and 205.251.194.116; ns-1154.awsdns-16.org points to 2600:9000:5304:8200::1 and 205.251.196.130; ns-2041.awsdns-63.co.uk points to 2600:9000:5307:f900::1 and 205.251.199.249.

Mail Servers

us.studentkeeper.com is served by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

us.studentkeeper.com uses the same mail server setup as other domains such as honcho.red, legacyconnect.net, kimobetsu-kokuchi.com, design-es.slack.com and slack-www-dev-loadtest-0ee8edfd7a15f9443.slack.com.

us.studentkeeper.com shares some mail servers with other domains, including respiree.com, xpedxit.atlassian.net, fergusonprod.atlassian.net, miniandmore.atlassian.net and segsistemas.atlassian.net.

These mail servers are often used alongside the mail servers inbound-smtp.us-west-2.amazonaws.com.

Host inbound-smtp.us-east-1.amazonaws.com resolves to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

us.studentkeeper.com - robtex.com