check.plus - dns.ninja

`check.plus`

DNSSEC	⚠️ Not signed
A	13.224.252.15^{🇺🇸 Amazon13.224.252.0/24 - Cloudfront}
		PTR	`server-13-224-252-15.gru3.r.cloudfront.net`
A	13.224.252.27^{🇺🇸 Amazon13.224.252.0/24 - Cloudfront}
A	13.224.252.85^{🇺🇸 Amazon13.224.252.0/24 - Cloudfront}
A	13.224.252.91^{🇺🇸 Amazon13.224.252.0/24 - Cloudfront}
NS	`ns-1590.awsdns-06.co.uk` ⭐
		A	2600:9000:5306:3600::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1590.awsdns-06.co.uk`
		A	205.251.198.54^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1590.awsdns-06.co.uk`
NS	`ns-1129.awsdns-13.org`
		A	2600:9000:5304:6900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1129.awsdns-13.org`
		A	205.251.196.105^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1129.awsdns-13.org`
NS	`ns-66.awsdns-08.com`
		A	2600:9000:5300:4200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-66.awsdns-08.com`
		A	205.251.192.66^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-66.awsdns-08.com`
NS	`ns-982.awsdns-58.net`
		A	2600:9000:5303:d600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-982.awsdns-58.net`
		A	205.251.195.214^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-982.awsdns-58.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	`atlassian-domain-verification=KAtwNX9KLDZLm916pj/jYqLipiVrFrbXgSLNGBJv3pizKnR...`
TXT	`v=spf1 include:amazonses.com ~all`
SOA	`ns-1590.awsdns-06.co.uk`awsdns-hostmaster@amazon.com serial=1

`plus`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.plus` ⭐
	NS	`v0n1.nic.plus`
	NS	`v0n2.nic.plus`
	NS	`v0n3.nic.plus`
	NS	`v2n0.nic.plus`
	NS	`v2n1.nic.plus`
	SOA	`v0n0.nic.plus`hostmaster@donuts.email serial=1783214257

Subdomains

mx.check.plus

mail7.check.plus

Same first word

check.de

check.co

check.li

check.hu

check.parts

check.design

check.company

check.solutions

check.network

check.fr

check.email

check.care

check.bo

check.im

check.gb.net

check.net

check.com.br

check.style

check.com.bo

check.gratis

check.education

check.tools

check.jetzt

check.toys

check.business

check.com.co

check.sh

check.express

check.reisen

check.directory

check.ne.kr

check.ws

check.supply

check.pk

check.work

check.wtf

check.ch

check.com.mx

check.nu

check.cool

check.cl

check.co.kr

check.pe

check.no

check.consulting

check.town

check.to

check.direct

check.org

check.co.il

check.gov.ua

check.place

check.city

check.black

check.deals

check.homeip.net

check.st

check.today

check.(0x706f726e)

check.com

check.lu

check.name

check.com.pk

check.me

check.life

check.ovh

check.point2this.com

check.center

check.events

check.vg

check.global

check.com.sg

check.com.pe

check.energy

check.su

check.expert

check.run

check.com.au

check.support

check.ninja

check.bg

check.digital

check.net.vn

check.com.ru

check.lk

check.co.uk

check.plus

check.be

check.schule

check.at

check.chat

check.ba

check.delivery

check.systems

check.mx

check.bplaced.net

check.in

check.ms

check.kitchen

check.domains

check.bike

check.pro

check.dyndns.org

check.pet

check.marketing

check.my.id

check.com.cn

Similar names

hkcec.hk

ecchk.com

ecchk.net

hckec.com

chkec.com

hkcec.com

cehkc.org

echck.com

cehck.net

cehck.info

ecchk.org

hkcec.com.hk

ekhcc.com

cchek.com

khcce.com

chekc.info

hceck.net

hceck.com

hkcce.com

kchec.com

chekc.com

kcche.com

hkcec.net

hkecc.org

DNS History

94 records (9 active, 85 former)

●NSns-1129.awsdns-13.org2026-02-16 → 2026-07-05 · 3 obs

○ 2017-11-10 08:42:18
● 2026-02-16 03:28:26
● 2026-07-05 02:30:42

●NSns-1590.awsdns-06.co.uk2026-02-16 → 2026-07-05 · 3 obs

○ 2017-11-10 08:42:18
● 2026-02-16 03:28:26
● 2026-07-05 02:30:42

●NSns-66.awsdns-08.com2026-02-16 → 2026-07-05 · 3 obs

○ 2017-11-10 08:42:18
● 2026-02-16 03:28:26
● 2026-07-05 02:30:42

●NSns-982.awsdns-58.net2026-02-16 → 2026-07-05 · 3 obs

○ 2017-11-10 08:42:18
● 2026-02-16 03:28:26
● 2026-07-05 02:30:42

○NSns-cloud-a1.googledomains.com2016-12-09 → 2017-11-10 · 4 obs

● 2016-12-09 09:01:10
● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○NSns-cloud-a2.googledomains.com2016-12-09 → 2017-11-10 · 4 obs

● 2016-12-09 09:01:10
● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○NSns-cloud-a3.googledomains.com2016-12-09 → 2017-11-10 · 4 obs

● 2016-12-09 09:01:10
● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○NSns-cloud-a4.googledomains.com2016-12-09 → 2017-11-10 · 4 obs

● 2016-12-09 09:01:10
● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○MXalt1.aspmx.l.google.com2017-11-10 → 2017-11-10 · 3 obs

● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○MXalt2.aspmx.l.google.com2017-11-10 → 2017-11-10 · 3 obs

● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○MXalt3.aspmx.l.google.com2017-11-10 → 2017-11-10 · 3 obs

● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○MXalt4.aspmx.l.google.com2017-11-10 → 2017-11-10 · 3 obs

● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

○MXaspmx.l.google.com2017-11-10 → 2017-11-10 · 3 obs

● 2017-11-10 08:42:18
○ 2026-02-16 03:28:26
○ 2026-07-05 02:30:42

●MXinbound-smtp.us-east-1.amazonaws.com2026-02-16 → 2026-07-05 · 5 obs

○ 2017-11-10 08:42:18
● 2026-02-16 03:28:26
○ 2026-06-25 03:56:24
● 2026-06-25 05:15:28
● 2026-07-05 02:30:42

○A108.139.113.1012026-04-15 → 2026-06-07 · 14 obs

○ 2026-04-14 04:50:58
● 2026-04-15 06:51:24
● 2026-04-15 14:55:02
○ 2026-04-17 15:52:16
○ 2026-04-18 22:23:56
● 2026-04-19 02:05:54
○ 2026-04-19 06:46:48
○ 2026-05-16 19:13:24
● 2026-05-16 21:32:46
○ 2026-05-16 23:11:24
○ 2026-06-07 11:07:14
● 2026-06-07 20:08:52
○ 2026-06-07 22:20:52
○ 2026-07-05 02:30:42

○A108.139.113.1222026-04-15 → 2026-06-07 · 14 obs

○A108.139.113.512026-04-15 → 2026-06-07 · 14 obs

○A108.139.113.922026-04-15 → 2026-06-07 · 14 obs

●A13.224.252.152026-04-29 → 2026-07-05 · 28 obs

○ 2026-04-29 00:30:14
● 2026-04-29 01:15:22
● 2026-04-29 06:46:38
○ 2026-04-29 09:24:22
● 2026-04-29 10:16:32
○ 2026-04-29 13:31:24
○ 2026-06-04 20:57:14
● 2026-06-05 17:23:04
○ 2026-06-06 15:11:38
○ 2026-06-09 19:00:00
● 2026-06-11 06:24:14
○ 2026-06-11 19:25:06
○ 2026-06-16 09:01:22
● 2026-06-16 10:37:12
● 2026-06-16 12:17:56
○ 2026-06-16 18:34:52
● 2026-06-30 22:40:22
○ 2026-07-01 23:16:52
● 2026-07-02 00:05:46
○ 2026-07-02 02:48:40
● 2026-07-02 09:46:56
○ 2026-07-02 20:09:18
● 2026-07-02 20:55:14
○ 2026-07-02 21:26:14
● 2026-07-03 16:55:02
○ 2026-07-04 05:02:44
● 2026-07-04 12:03:50
● 2026-07-05 02:30:42

●A13.224.252.272026-04-29 → 2026-07-05 · 28 obs

●A13.224.252.852026-04-29 → 2026-07-05 · 28 obs

●A13.224.252.912026-04-29 → 2026-07-05 · 28 obs

○A13.225.107.1222026-03-29 → 2026-04-28 · 17 obs

○ 2026-03-29 13:59:34
● 2026-03-29 16:31:58
○ 2026-03-30 10:41:08
○ 2026-03-30 14:48:42
● 2026-03-31 11:14:16
○ 2026-03-31 22:25:24
○ 2026-04-04 00:15:34
● 2026-04-05 04:19:40
○ 2026-04-05 16:30:00
○ 2026-04-15 14:55:02
● 2026-04-17 15:52:16
○ 2026-04-18 08:40:18
○ 2026-04-28 12:41:00
● 2026-04-28 14:02:40
● 2026-04-28 18:28:06
○ 2026-04-28 22:03:04
○ 2026-07-05 02:30:42

○A13.225.107.242026-03-29 → 2026-04-28 · 17 obs

○A13.225.107.292026-03-29 → 2026-04-28 · 17 obs

○A13.225.107.622026-03-29 → 2026-04-28 · 17 obs

○A13.249.126.1292026-02-17 → 2026-03-14 · 7 obs

○ 2026-02-17 00:16:06
● 2026-02-17 13:07:22
○ 2026-02-18 22:57:28
○ 2026-03-14 07:51:26
● 2026-03-14 13:18:20
○ 2026-03-14 15:15:26
○ 2026-07-05 02:30:42

○A13.249.126.342026-02-17 → 2026-03-14 · 7 obs

○ 2026-02-17 00:16:06
● 2026-02-17 13:07:22
○ 2026-02-18 22:57:28
○ 2026-03-14 07:51:26
● 2026-03-14 13:18:20
○ 2026-03-14 15:15:26
○ 2026-07-05 02:30:42

○A13.249.126.562026-02-17 → 2026-03-14 · 7 obs

○ 2026-02-17 00:16:06
● 2026-02-17 13:07:22
○ 2026-02-18 22:57:28
○ 2026-03-14 07:51:26
● 2026-03-14 13:18:20
○ 2026-03-14 15:15:26
○ 2026-07-05 02:30:42

○A13.249.126.712026-02-17 → 2026-03-14 · 7 obs

○ 2026-02-17 00:16:06
● 2026-02-17 13:07:22
○ 2026-02-18 22:57:28
○ 2026-03-14 07:51:26
● 2026-03-14 13:18:20
○ 2026-03-14 15:15:26
○ 2026-07-05 02:30:42

○A13.249.182.1292026-02-19 → 2026-07-04 · 21 obs

○ 2026-02-18 22:57:28
● 2026-02-19 23:59:50
○ 2026-02-20 00:54:18
○ 2026-02-20 01:45:34
● 2026-02-20 10:45:36
○ 2026-02-21 14:27:34
○ 2026-02-23 11:13:14
● 2026-02-26 11:44:48
○ 2026-02-26 12:27:22
○ 2026-03-10 21:46:36
● 2026-03-13 23:45:04
○ 2026-03-14 07:51:26
○ 2026-03-17 13:19:22
● 2026-03-19 21:44:36
○ 2026-03-20 02:10:58
○ 2026-05-06 11:50:50
● 2026-05-06 13:03:50
○ 2026-05-06 17:26:46
● 2026-07-04 05:02:44
○ 2026-07-04 12:03:50
○ 2026-07-05 02:30:42

○A13.249.182.452026-02-19 → 2026-07-04 · 21 obs

○A13.249.182.612026-02-19 → 2026-07-04 · 21 obs

○A13.249.182.732026-02-19 → 2026-07-04 · 21 obs

○A13.32.179.1172026-03-31 → 2026-04-01 · 7 obs

○ 2026-03-31 11:14:16
● 2026-03-31 15:56:40
● 2026-03-31 22:25:24
○ 2026-04-01 08:05:00
● 2026-04-01 11:00:20
○ 2026-04-01 20:49:32
○ 2026-07-05 02:30:42

○A13.32.179.222026-03-31 → 2026-04-01 · 7 obs

○ 2026-03-31 11:14:16
● 2026-03-31 15:56:40
● 2026-03-31 22:25:24
○ 2026-04-01 08:05:00
● 2026-04-01 11:00:20
○ 2026-04-01 20:49:32
○ 2026-07-05 02:30:42

○A13.32.179.232026-03-31 → 2026-04-01 · 7 obs

○ 2026-03-31 11:14:16
● 2026-03-31 15:56:40
● 2026-03-31 22:25:24
○ 2026-04-01 08:05:00
● 2026-04-01 11:00:20
○ 2026-04-01 20:49:32
○ 2026-07-05 02:30:42

○A13.32.179.872026-03-31 → 2026-04-01 · 7 obs

○ 2026-03-31 11:14:16
● 2026-03-31 15:56:40
● 2026-03-31 22:25:24
○ 2026-04-01 08:05:00
● 2026-04-01 11:00:20
○ 2026-04-01 20:49:32
○ 2026-07-05 02:30:42

○A13.33.109.1122026-04-21 → 2026-05-20 · 18 obs

○ 2026-04-19 06:46:48
● 2026-04-21 15:00:12
● 2026-04-21 22:31:42
○ 2026-04-22 06:22:16
● 2026-04-22 10:45:08
● 2026-04-23 16:22:04
○ 2026-04-24 17:16:22
○ 2026-04-24 22:40:54
● 2026-04-25 17:53:36
● 2026-04-26 05:45:46
○ 2026-04-26 16:33:10
○ 2026-05-13 07:03:14
● 2026-05-13 08:19:20
○ 2026-05-14 01:00:42
○ 2026-05-20 11:02:16
● 2026-05-20 11:48:04
○ 2026-05-20 20:20:44
○ 2026-07-05 02:30:42

○A13.33.109.1132026-04-21 → 2026-05-20 · 18 obs

○A13.33.109.582026-04-21 → 2026-05-20 · 18 obs

○A13.33.109.702026-04-21 → 2026-05-20 · 18 obs

○A13.33.82.132026-04-28 → 2026-05-10 · 17 obs

○ 2026-04-26 16:33:10
● 2026-04-28 01:08:02
○ 2026-04-28 01:46:10
○ 2026-04-28 22:03:04
● 2026-04-29 00:30:14
○ 2026-04-29 01:15:22
○ 2026-05-01 16:14:12
● 2026-05-02 00:27:10
○ 2026-05-02 01:12:44
○ 2026-05-07 09:57:56
● 2026-05-07 10:41:50
● 2026-05-07 19:59:42
○ 2026-05-07 22:14:26
○ 2026-05-10 02:56:08
● 2026-05-10 05:14:42
○ 2026-05-10 05:57:42
○ 2026-07-05 02:30:42

○A13.33.82.332026-04-28 → 2026-05-10 · 17 obs

○A13.33.82.942026-04-28 → 2026-05-10 · 17 obs

○A13.33.82.972026-04-28 → 2026-05-10 · 17 obs

○A13.35.163.1042026-05-28 → 2026-05-30 · 8 obs

○ 2026-05-27 06:20:28
● 2026-05-28 03:56:46
● 2026-05-28 04:39:30
○ 2026-05-28 07:12:40
○ 2026-05-29 23:11:32
● 2026-05-30 01:35:24
○ 2026-05-30 02:46:30
○ 2026-07-05 02:30:42

○A13.35.163.1142026-05-28 → 2026-05-30 · 8 obs

○ 2026-05-27 06:20:28
● 2026-05-28 03:56:46
● 2026-05-28 04:39:30
○ 2026-05-28 07:12:40
○ 2026-05-29 23:11:32
● 2026-05-30 01:35:24
○ 2026-05-30 02:46:30
○ 2026-07-05 02:30:42

○A13.35.163.342026-05-28 → 2026-05-30 · 8 obs

○ 2026-05-27 06:20:28
● 2026-05-28 03:56:46
● 2026-05-28 04:39:30
○ 2026-05-28 07:12:40
○ 2026-05-29 23:11:32
● 2026-05-30 01:35:24
○ 2026-05-30 02:46:30
○ 2026-07-05 02:30:42

○A13.35.163.62026-05-28 → 2026-05-30 · 8 obs

○ 2026-05-27 06:20:28
● 2026-05-28 03:56:46
● 2026-05-28 04:39:30
○ 2026-05-28 07:12:40
○ 2026-05-29 23:11:32
● 2026-05-30 01:35:24
○ 2026-05-30 02:46:30
○ 2026-07-05 02:30:42

○A18.155.1.1002026-04-02 → 2026-06-29 · 47 obs

○ 2026-04-01 20:49:32
● 2026-04-02 22:39:10
○ 2026-04-03 18:26:24
○ 2026-04-05 04:19:40
● 2026-04-05 05:50:18
○ 2026-04-05 12:56:50
○ 2026-04-06 00:19:24
● 2026-04-07 07:03:18
○ 2026-04-07 20:35:08
○ 2026-06-17 21:00:00
● 2026-06-18 04:37:44
○ 2026-06-18 08:16:34
● 2026-06-18 09:09:10
○ 2026-06-18 13:17:04
● 2026-06-18 15:08:36
○ 2026-06-19 12:20:28
● 2026-06-20 18:01:18
○ 2026-06-21 00:17:20
● 2026-06-22 17:17:36
○ 2026-06-22 20:00:26
● 2026-06-22 20:34:56
○ 2026-06-23 00:01:02
● 2026-06-23 01:46:58
○ 2026-06-23 11:25:56
● 2026-06-24 13:21:10
○ 2026-06-24 14:34:00
● 2026-06-25 07:16:14
○ 2026-06-25 11:32:40
● 2026-06-25 14:28:24
○ 2026-06-25 18:36:14
● 2026-06-25 20:33:00
○ 2026-06-26 03:16:50
● 2026-06-26 10:09:48
○ 2026-06-26 13:20:36
● 2026-06-26 18:13:14
○ 2026-06-26 20:16:20
● 2026-06-27 01:35:24
○ 2026-06-27 22:04:18
● 2026-06-27 23:23:08
○ 2026-06-28 00:38:52
● 2026-06-28 03:41:22
○ 2026-06-28 13:08:00
● 2026-06-28 23:30:34
○ 2026-06-29 05:32:32
● 2026-06-29 15:55:18
○ 2026-06-29 17:34:32
○ 2026-07-05 02:30:42

○A18.155.1.142026-04-02 → 2026-06-29 · 47 obs

○A18.155.1.342026-04-02 → 2026-06-29 · 47 obs

○A18.155.1.852026-04-02 → 2026-06-29 · 47 obs

○A18.160.225.1252026-05-19 → 2026-07-02 · 27 obs

○ 2026-05-19 05:07:38
● 2026-05-19 09:32:52
○ 2026-05-19 11:16:14
○ 2026-05-19 21:16:30
● 2026-05-19 22:16:18
○ 2026-05-20 11:48:04
● 2026-05-21 12:21:32
● 2026-05-31 10:04:48
○ 2026-05-31 21:38:52
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○A18.67.233.1052026-05-28 → 2026-06-04 · 19 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
plus	v0n0.nic.plus, v0n1.nic.plus, v0n2.nic.plus, v0n3.nic.plus...	12 records
check.plus	ns-1590.awsdns-06.co.uk, ns-982.awsdns-58.net, ns-66.awsdns-08.com, ns-1129.awsdns-13.org	-

✅ Authoritative Response

Server:205.251.198.54

NS records: ns-1590.awsdns-06.co.uk, ns-982.awsdns-58.net, ns-66.awsdns-08.com, ns-1129.awsdns-13.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for check.plus (unsigned zone)

⏱️ Timing

Total: 1253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.99.120, 3.167.99.83...`
NS	4	`ns-1129.awsdns-13.org, ns-1590.awsdns-06.co.uk...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	2	`atlassian-domain-verification=KAtwNX9KLD, v=spf1 include:amazonses.com ~all`
SOA	1	`ns-1590.awsdns-06.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.plus, v0n1.nic.plus, v0n2.nic.plus...)

Analysis

Hierarchy

The parent domain of mx.check.plus and mail7.check.plus is check.plus.

IP Addresses

check.plus directs to four IP numbers, which are 13.224.252.15, 13.224.252.27, 13.224.252.85 and 13.224.252.91.

Name Servers

The domain check.plus is delegated to these four name servers: ns-66.awsdns-08.com, ns-982.awsdns-58.net, ns-1129.awsdns-13.org and ns-1590.awsdns-06.co.uk.

The name servers of check.plus overlap at least partially with those of other domains — among them teambeam.es, onlywire.com, adexin.tools and two more.

The name servers ns-42.awsdns-05.com, ns-899.awsdns-48.net and ns-1204.awsdns-22.org are commonly seen alongside these name servers.

Each of the four hosts ns-66.awsdns-08.com, ns-982.awsdns-58.net, ns-1129.awsdns-13.org and ns-1590.awsdns-06.co.uk has two IP addresses. ns-66.awsdns-08.com points to 205.251.192.66 and 2600:9000:5300:4200::1. ns-982.awsdns-58.net points to 205.251.195.214 and 2600:9000:5303:d600::1. ns-1129.awsdns-13.org points to 205.251.196.105 and 2600:9000:5304:6900::1. ns-1590.awsdns-06.co.uk points to 205.251.198.54 and 2600:9000:5306:3600::1.

Mail Servers

check.plus routes its mail through a single mail server, inbound-smtp.us-east-1.amazonaws.com.

check.plus shares at least some of its mail servers with other domains — for example worldwizard.io, zermelo.atlassian.net, ilmatieteenlaitos.slack.com and two more.

It is common to find these mail servers paired with the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com points to five IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two more.