comparably.com - dns.ninja

`comparably.com`

DNSSEC	⚠️ Not signed
A	52.9.43.150^{🇺🇸 Amazon52.9.0.0/16 EC2 SFO prefix}
		PTR	`ec2-52-9-43-150.us-west-1.compute.amazonaws.com`
A	54.176.128.189^{🇺🇸 Amazon54.176.0.0/15 EC2 SFO prefix}
NS	`ns-964.awsdns-56.net` ⭐
		A	2600:9000:5303:c400::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-964.awsdns-56.net`
		A	205.251.195.196^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-964.awsdns-56.net`
NS	`ns-1133.awsdns-13.org`
		A	2600:9000:5304:6d00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1133.awsdns-13.org`
		A	205.251.196.109^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1133.awsdns-13.org`
NS	`ns-160.awsdns-20.com`
		A	2600:9000:5300:a000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-160.awsdns-20.com`
		A	205.251.192.160^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-160.awsdns-20.com`
NS	`ns-1895.awsdns-44.co.uk`
		A	2600:9000:5307:6700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1895.awsdns-44.co.uk`
		A	205.251.199.103^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1895.awsdns-44.co.uk`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`google-site-verification=6pKO9ofkFNpqu90yfU0BjMvvfYuCfxmdnm2ciZxO_Dc`
TXT	`v=spf1 include:_u.comparably.com._spf.smart.ondmarc.com -all`
SOA	`ns-964.awsdns-56.net`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785114547

rank #16378 globally
rank #8011 in the tld
WOT: SAFE (95/100)
📈 Tranco rank: #25,903

Subdomains

a3-static.comparably.com

c4-static.comparably.com

track.comparably.com

www.comparably.com

cdn.comparably.com

c1-static.comparably.com

a2-static.comparably.com

mail.comparably.com

c3-static.comparably.com

images.comparably.com

c2-static.comparably.com

a1-static.comparably.com

a4-static.comparably.com

Same first word

comparably.com

Similar names

palmyracob.org

DNS History

62 records (8 active, 54 former)

●NSns-1133.awsdns-13.org2016-02-07 → 2026-07-27 · 3 obs

○ 2015-12-18 05:03:36
● 2016-02-07 09:35:34
● 2026-07-27 01:15:08

○NSns-1513.awsdns-61.org2015-12-18 → 2015-12-18 · 4 obs

○ 2015-08-16 13:59:12
● 2015-12-18 05:03:36
○ 2016-02-07 09:35:34
○ 2026-07-27 01:15:08

●NSns-160.awsdns-20.com2016-02-07 → 2026-07-27 · 3 obs

○ 2015-12-18 05:03:36
● 2016-02-07 09:35:34
● 2026-07-27 01:15:08

○NSns-1774.awsdns-29.co.uk2015-12-18 → 2015-12-18 · 4 obs

○ 2015-08-16 13:59:12
● 2015-12-18 05:03:36
○ 2016-02-07 09:35:34
○ 2026-07-27 01:15:08

●NSns-1895.awsdns-44.co.uk2016-02-07 → 2026-07-27 · 3 obs

○ 2015-12-18 05:03:36
● 2016-02-07 09:35:34
● 2026-07-27 01:15:08

○NSns-301.awsdns-37.com2015-12-18 → 2015-12-18 · 4 obs

○ 2015-08-16 13:59:12
● 2015-12-18 05:03:36
○ 2016-02-07 09:35:34
○ 2026-07-27 01:15:08

○NSns-620.awsdns-13.net2015-12-18 → 2015-12-18 · 4 obs

○ 2015-08-16 13:59:12
● 2015-12-18 05:03:36
○ 2016-02-07 09:35:34
○ 2026-07-27 01:15:08

●NSns-964.awsdns-56.net2016-02-07 → 2026-07-27 · 3 obs

○ 2015-12-18 05:03:36
● 2016-02-07 09:35:34
● 2026-07-27 01:15:08

○NSns1vwx.name.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 13:59:12
○ 2015-12-18 05:03:36
○ 2026-07-27 01:15:08

○NSns2hjl.name.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 13:59:12
○ 2015-12-18 05:03:36
○ 2026-07-27 01:15:08

○NSns3jwx.name.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 13:59:12
○ 2015-12-18 05:03:36
○ 2026-07-27 01:15:08

○NSns4hny.name.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 13:59:12
○ 2015-12-18 05:03:36
○ 2026-07-27 01:15:08

○MXalt1.aspmx.l.google.com2015-12-18 → 2018-02-21 · 4 obs

● 2015-12-18 05:03:36
● 2018-02-21 19:56:32
○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

○MXalt2.aspmx.l.google.com2015-12-18 → 2018-02-21 · 4 obs

● 2015-12-18 05:03:36
● 2018-02-21 19:56:32
○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

○MXalt3.aspmx.l.google.com2015-12-18 → 2018-02-21 · 4 obs

● 2015-12-18 05:03:36
● 2018-02-21 19:56:32
○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

○MXalt4.aspmx.l.google.com2015-12-18 → 2018-02-21 · 4 obs

● 2015-12-18 05:03:36
● 2018-02-21 19:56:32
○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

○MXaspmx.l.google.com2015-12-18 → 2018-02-21 · 4 obs

● 2015-12-18 05:03:36
● 2018-02-21 19:56:32
○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

●MXus-smtp-inbound-1.mimecast.com2026-02-17 → 2026-07-27 · 3 obs

○ 2018-02-21 19:56:32
● 2026-02-17 11:10:18
● 2026-07-27 01:15:08

●MXus-smtp-inbound-2.mimecast.com2026-02-17 → 2026-07-27 · 3 obs

○ 2018-02-21 19:56:32
● 2026-02-17 11:10:18
● 2026-07-27 01:15:08

○A13.52.64.1362026-03-05 → 2026-03-09 · 5 obs

○ 2026-03-01 08:05:48
● 2026-03-05 21:40:10
● 2026-03-09 08:02:24
○ 2026-03-15 04:00:22
○ 2026-07-27 01:15:08

○A13.56.143.1152026-03-18 → 2026-03-24 · 5 obs

○ 2026-03-15 17:16:24
● 2026-03-18 07:53:40
● 2026-03-24 17:39:32
○ 2026-03-27 10:55:58
○ 2026-07-27 01:15:08

○A13.56.17.2162026-04-22 → 2026-05-09 · 5 obs

○ 2026-04-22 03:01:24
● 2026-04-22 15:17:02
● 2026-05-09 07:28:36
○ 2026-05-09 20:15:38
○ 2026-07-27 01:15:08

○A13.56.245.2272026-02-17 → 2026-02-19 · 5 obs

○ 2018-02-21 19:56:32
● 2026-02-17 11:10:18
● 2026-02-19 20:13:18
○ 2026-02-22 14:54:22
○ 2026-07-27 01:15:08

○A13.57.153.1452026-02-17 → 2026-02-25 · 5 obs

○ 2018-02-21 19:56:32
● 2026-02-17 11:10:18
● 2026-02-25 07:18:34
○ 2026-02-28 07:12:10
○ 2026-07-27 01:15:08

○A184.72.13.1202026-07-09 → 2026-07-09 · 4 obs

○ 2026-06-26 05:14:02
● 2026-07-09 22:54:02
○ 2026-07-21 15:02:02
○ 2026-07-27 01:15:08

○A204.236.129.1322026-06-04 → 2026-06-09 · 5 obs

○ 2026-05-31 13:18:18
● 2026-06-04 11:13:08
● 2026-06-09 01:49:44
○ 2026-06-13 10:44:48
○ 2026-07-27 01:15:08

○A3.101.224.2512026-05-17 → 2026-05-27 · 5 obs

○ 2026-05-14 20:04:32
● 2026-05-17 16:00:42
● 2026-05-27 22:32:12
○ 2026-05-31 08:24:10
○ 2026-07-27 01:15:08

○A50.18.120.1472026-06-24 → 2026-06-24 · 4 obs

○ 2026-06-13 10:44:48
● 2026-06-24 14:38:04
○ 2026-07-09 22:54:02
○ 2026-07-27 01:15:08

○A50.18.181.1042026-05-14 → 2026-05-14 · 5 obs

○ 2026-05-12 19:40:46
● 2026-05-14 00:39:58
● 2026-05-14 20:04:32
○ 2026-05-17 16:00:42
○ 2026-07-27 01:15:08

○A52.52.111.1462026-02-17 → 2026-07-27 · 2 obs

○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

○A52.52.135.2272026-05-31 → 2026-06-04 · 5 obs

○ 2026-05-27 22:32:12
● 2026-05-31 08:24:10
● 2026-06-04 13:58:32
○ 2026-06-08 17:19:36
○ 2026-07-27 01:15:08

○A52.52.53.2332026-03-15 → 2026-03-20 · 5 obs

○ 2026-03-09 08:02:24
● 2026-03-15 04:00:22
● 2026-03-20 18:27:30
○ 2026-03-21 04:48:46
○ 2026-07-27 01:15:08

○A52.52.67.2282026-03-09 → 2026-03-15 · 5 obs

○ 2026-03-05 21:40:10
● 2026-03-09 01:53:38
● 2026-03-15 17:16:24
○ 2026-03-18 07:53:40
○ 2026-07-27 01:15:08

○A52.52.78.462017-02-15 → 2017-02-15 · 4 obs

○ 2016-04-29 18:59:30
● 2017-02-15 08:36:42
○ 2018-02-21 19:56:32
○ 2026-07-27 01:15:08

○A52.8.179.1782026-04-17 → 2026-04-22 · 5 obs

○ 2026-04-08 22:56:54
● 2026-04-17 03:22:40
● 2026-04-22 03:01:24
○ 2026-04-22 15:17:02
○ 2026-07-27 01:15:08

○A52.8.208.2372016-04-29 → 2016-04-29 · 4 obs

○ 2016-02-07 09:35:34
● 2016-04-29 18:59:30
○ 2017-02-15 08:36:42
○ 2026-07-27 01:15:08

○A52.8.224.92026-06-26 → 2026-06-26 · 4 obs

○ 2026-06-24 14:38:04
● 2026-06-26 05:14:02
○ 2026-07-09 22:54:02
○ 2026-07-27 01:15:08

○A52.8.245.1712026-03-27 → 2026-04-08 · 5 obs

○ 2026-03-24 17:39:32
● 2026-03-27 10:55:58
● 2026-04-08 22:56:54
○ 2026-04-17 03:22:40
○ 2026-07-27 01:15:08

○A52.9.102.762016-02-07 → 2016-02-07 · 4 obs

○ 2015-12-18 05:03:36
● 2016-02-07 09:35:34
○ 2016-04-29 18:59:30
○ 2026-07-27 01:15:08

○A52.9.16.862026-06-08 → 2026-06-09 · 5 obs

○ 2026-06-04 13:58:32
● 2026-06-08 17:19:36
● 2026-06-09 01:49:44
○ 2026-06-13 10:44:48
○ 2026-07-27 01:15:08

○A52.9.34.612026-02-22 → 2026-03-01 · 5 obs

○ 2026-02-19 20:13:18
● 2026-02-22 14:54:22
● 2026-03-01 08:05:48
○ 2026-03-05 21:40:10
○ 2026-07-27 01:15:08

●A52.9.43.1502026-07-21 → 2026-07-27 · 3 obs

○ 2026-07-16 19:51:58
● 2026-07-21 15:02:02
● 2026-07-27 01:15:08

○A52.9.54.322016-04-29 → 2016-04-29 · 4 obs

○ 2016-02-07 09:35:34
● 2016-04-29 18:59:30
○ 2017-02-15 08:36:42
○ 2026-07-27 01:15:08

○A52.9.90.622026-06-13 → 2026-06-13 · 4 obs

○ 2026-06-09 01:49:44
● 2026-06-13 10:44:48
○ 2026-06-26 05:14:02
○ 2026-07-27 01:15:08

○A54.151.28.912026-04-20 → 2026-05-03 · 5 obs

○ 2026-04-17 03:22:40
● 2026-04-20 04:37:44
● 2026-05-03 22:04:04
○ 2026-05-04 17:08:46
○ 2026-07-27 01:15:08

○A54.153.13.582026-05-24 → 2026-05-31 · 5 obs

○ 2026-05-20 19:37:34
● 2026-05-24 03:02:40
● 2026-05-31 13:18:18
○ 2026-06-04 11:13:08
○ 2026-07-27 01:15:08

○A54.153.21.822018-02-21 → 2018-02-21 · 4 obs

○ 2017-02-15 08:36:42
● 2018-02-21 19:56:32
○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

○A54.176.120.1942026-06-13 → 2026-06-13 · 4 obs

○ 2026-06-09 01:49:44
● 2026-06-13 10:44:48
○ 2026-06-24 14:38:04
○ 2026-07-27 01:15:08

●A54.176.128.1892026-07-27 → 2026-07-27 · 2 obs

○ 2026-07-21 15:02:02
● 2026-07-27 01:15:08

○A54.177.154.2332026-05-14 → 2026-05-20 · 5 obs

○ 2026-05-14 12:49:24
● 2026-05-14 20:04:32
● 2026-05-20 19:37:34
○ 2026-05-24 03:02:40
○ 2026-07-27 01:15:08

○A54.177.215.1812026-07-09 → 2026-07-09 · 4 obs

○ 2026-06-26 05:14:02
● 2026-07-09 22:54:02
○ 2026-07-16 19:51:58
○ 2026-07-27 01:15:08

○A54.177.3.672026-07-16 → 2026-07-16 · 3 obs

○ 2026-07-09 22:54:02
● 2026-07-16 19:51:58
○ 2026-07-27 01:15:08

○A54.177.64.1362026-04-17 → 2026-04-17 · 4 obs

○ 2026-04-08 22:56:54
● 2026-04-17 03:22:40
○ 2026-04-20 04:37:44
○ 2026-07-27 01:15:08

○A54.183.174.2292015-12-18 → 2015-12-18 · 4 obs

○ 2015-08-16 13:59:12
● 2015-12-18 05:03:36
○ 2016-02-07 09:35:34
○ 2026-07-27 01:15:08

○A54.219.214.2202026-02-28 → 2026-03-05 · 5 obs

○ 2026-02-25 07:18:34
● 2026-02-28 07:12:10
● 2026-03-05 21:40:10
○ 2026-03-09 01:53:38
○ 2026-07-27 01:15:08

○A54.219.242.1222026-02-17 → 2026-07-27 · 2 obs

○ 2026-02-17 11:10:18
○ 2026-07-27 01:15:08

○A54.219.77.2552026-05-04 → 2026-05-08 · 5 obs

○ 2026-05-03 22:04:04
● 2026-05-04 17:08:46
● 2026-05-08 11:21:20
○ 2026-05-09 07:28:36
○ 2026-07-27 01:15:08

○A54.241.204.2042026-05-09 → 2026-05-12 · 5 obs

○ 2026-05-08 11:21:20
● 2026-05-09 07:28:36
● 2026-05-12 19:40:46
○ 2026-05-14 00:39:58
○ 2026-07-27 01:15:08

○A54.67.124.1212017-02-15 → 2017-02-15 · 4 obs

○ 2016-04-29 18:59:30
● 2017-02-15 08:36:42
○ 2018-02-21 19:56:32
○ 2026-07-27 01:15:08

○A54.67.28.742026-05-09 → 2026-05-14 · 5 obs

○ 2026-05-09 07:28:36
● 2026-05-09 20:15:38
● 2026-05-14 12:49:24
○ 2026-05-14 20:04:32
○ 2026-07-27 01:15:08

○A54.67.40.482026-03-21 → 2026-04-08 · 5 obs

○ 2026-03-20 18:27:30
● 2026-03-21 04:48:46
● 2026-04-08 22:56:54
○ 2026-04-17 03:22:40
○ 2026-07-27 01:15:08

○A8.5.1.512015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 13:59:12
○ 2015-12-18 05:03:36
○ 2026-07-27 01:15:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
comparably.com	ns-160.awsdns-20.com, ns-964.awsdns-56.net, ns-1133.awsdns-13.org, ns-1895.awsdns-44.co.uk	2 records

✅ Authoritative Response

Server:205.251.192.160

NS records: ns-160.awsdns-20.com, ns-964.awsdns-56.net, ns-1133.awsdns-13.org, ns-1895.awsdns-44.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comparably.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.176.128.189, 52.9.43.150`
NS	4	`ns-1133.awsdns-13.org, ns-160.awsdns-20.com...`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	2	`google-site-verification=6pKO9ofkFNpqu90, v=spf1 include:_u.comparably.com._spf.sm`
SOA	1	`ns-964.awsdns-56.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-160.awsdns-20.com, ns-160.awsdns-20.com)

Analysis

Hierarchy

comparably.com is the parent domain of a3-static.comparably.com, c4-static.comparably.com, track.comparably.com, www.comparably.com, cdn.comparably.com and a few other host names.

IP Addresses

comparably.com resolves to the IP addresses 52.9.43.150 and 54.176.128.189

Name Servers

comparably.com has four authoritative name servers: ns-160.awsdns-20.com, ns-964.awsdns-56.net, ns-1133.awsdns-13.org and ns-1895.awsdns-44.co.uk.

comparably.com shares at least some of its name servers with other domains, including mate1singles.com, ntechlab.io, hubgps.org and two others.

The host names ns-160.awsdns-20.com, ns-964.awsdns-56.net, ns-1133.awsdns-13.org and ns-1895.awsdns-44.co.uk each resolve to two IP addresses: ns-160.awsdns-20.com resolves to 205.251.192.160 and 2600:9000:5300:a000::1; ns-964.awsdns-56.net resolves to 205.251.195.196 and 2600:9000:5303:c400::1; ns-1133.awsdns-13.org resolves to 205.251.196.109 and 2600:9000:5304:6d00::1; ns-1895.awsdns-44.co.uk resolves to 205.251.199.103 and 2600:9000:5307:6700::1.

Mail Servers

comparably.com has two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

comparably.com shares the same mail server setup as other domains, including careysalt.com, specialt.net, desertglory.com and two others.

comparably.com shares mail servers — at least in part — with other domains, including managedtelecomservices.com, awplan.com, roundpegg.com and two others.

Host names with 6 IP numbers:

us-smtp-inbound-1.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.

us-smtp-inbound-2.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.141 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.221 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.242 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.141 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.221 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.242 IP addresses.