isma.com - dns.ninja

`isma.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6811:8968^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6811:8a68^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6811:8b68^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6811:8c68^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6811:8d68^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.137.104^{Cloudflare104.17.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.138.104^{Cloudflare104.17.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.139.104^{Cloudflare104.17.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.140.104^{Cloudflare104.17.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.141.104^{Cloudflare104.17.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`igor.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c177^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`igor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2177^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`igor.ns.cloudflare.com`
		A	108.162.193.119^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	172.64.33.119^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	173.245.59.119^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
NS	`vita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vita.ns.cloudflare.com`
		A	108.162.192.238^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	172.64.32.238^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	173.245.58.238^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
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	`201707252120162rd4mz67g1mp6xxa6tyuw8to8sgkbygllwvjmx61z72wov47n3`
TXT	`MS=ms34012009`
TXT	`v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ...`
SOA	`igor.ns.cloudflare.com`dns@cloudflare.com serial=2403145523

`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=1781034673

Subdomains

www.isma.com

Same first word

isma.edu.pk

isma.edu.pa

isma.pro

isma.cn

isma.org

isma.me

isma.in

isma.ch

isma.org.my

isma.lol

isma.info

isma.co

isma.de

isma.com.br

isma.kharkiv.ua

isma.cl

isma.ws

isma.fi

isma.it

isma.my

isma.events

isma.org.in

isma.ru

isma.eu

isma.net

isma.com.mx

isma.jp

isma.pt

isma.roma.it

isma.us

isma.mx

isma.ca

isma.com

isma.be

isma.lv

isma.tm.fr

isma.org.br

isma.com.tw

isma.edu.ar

isma.com.au

isma.se

isma.kharkov.ua

isma.org.uk

isma.ma

isma.tv

isma.at

isma.es

Similar names

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amis.one

isam.sg

misa.on.ca

amsi.at

isam.my

amis.edu.vn

iams.my

aism.org

iams.com.tw

mias.me

mais.my

aims.africa

saim.fr

sima.pt

asmi.ch

amsi.tech

isam.ru

imsa.com.es

aims.net.cn

imas.net.br

sami.es

misa.pl

siam.digital

msai.ca

amsi.org.au

sima.mx

sima.cat

isam.ir

aims.com.my

iasm.cl

smai.fr

sami.jp

siam.de

asim.ca

asmi.fr

sima.ai

misa.studio

msia.biz

aism.cat

iams.de

aims.us.com

smia.org.uk

saim.es

amis.uk

siam.recipes

asim.pro

isam.mx

amis.go.kr

siam.tn

smia.org

msia.co.uk

sima.cr

aims.services

asmi.org

smai.li

smia.insure

amsi.ca

aims.jp

iams.ru

siam.cz

siam.co.jp

msia.net.cn

aims.co.nz

aims.org.tw

sima.io

mias.com

iams.org

asmi.it

amis.network

imas.cl

sima.bg

asim.de

mais.social

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sami.ch

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imsa.com.ar

sima.com.ua

isam.is

iams.us

aims.edu.ph

sami.in

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mias.pro

isam.cl

masi.tv

aims.cc

sami.ee

aims.org.au

imas.org.br

mais.si

isam.ch

iams.com.sg

amsi.com.mx

asim.fr

mais.asia

sami.ie

sami.photography

aims.vn

siam.villas

aims.financial

smai.ch

sami.moscow

msia.at

sima.or.at

siam.holdings

iams.edu.eg

DNS History

43 records (14 active, 29 former)

○NSabby.ns.cloudflare.com2015-08-31 → 2017-09-11 · 4 obs

● 2015-08-31 04:09:46
● 2017-09-11 16:41:00
○ 2020-03-05 19:28:54
○ 2026-06-09 20:15:48

●NSigor.ns.cloudflare.com2026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

○NSisaac.ns.cloudflare.com2020-03-05 → 2020-03-05 · 4 obs

○ 2017-09-11 16:41:00
● 2020-03-05 19:28:54
○ 2026-02-17 04:26:14
○ 2026-06-09 20:15:48

○NStheo.ns.cloudflare.com2015-08-31 → 2017-09-11 · 4 obs

● 2015-08-31 04:09:46
● 2017-09-11 16:41:00
○ 2020-03-05 19:28:54
○ 2026-06-09 20:15:48

○NSvida.ns.cloudflare.com2020-03-05 → 2020-03-05 · 4 obs

○ 2017-09-11 16:41:00
● 2020-03-05 19:28:54
○ 2026-02-17 04:26:14
○ 2026-06-09 20:15:48

●NSvita.ns.cloudflare.com2026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

○MXisma-com.mail.protection.outlook.com2016-04-01 → 2020-03-05 · 5 obs

○ 2016-03-01 00:30:12
● 2016-04-01 10:42:40
● 2020-03-05 19:28:54
○ 2026-02-17 04:26:14
○ 2026-06-09 20:15:48

○MXmail.isma.com2015-08-31 → 2016-03-01 · 4 obs

● 2015-08-31 04:09:46
● 2016-03-01 00:30:12
○ 2016-04-01 10:42:40
○ 2026-06-09 20:15:48

○MXmail.nerdwerx.com2015-08-31 → 2016-02-11 · 4 obs

● 2015-08-31 04:09:46
● 2016-02-11 18:53:58
○ 2016-03-01 00:30:12
○ 2026-06-09 20:15:48

○MXmail2.isma.com2015-11-28 → 2016-02-11 · 5 obs

○ 2015-11-13 09:30:00
● 2015-11-28 18:51:56
● 2016-02-11 18:53:58
○ 2016-03-01 00:30:12
○ 2026-06-09 20:15:48

○MXmxbackup.nerdwerx.com2015-08-31 → 2015-10-07 · 4 obs

● 2015-08-31 04:09:46
● 2015-10-07 15:50:28
○ 2015-11-13 09:30:00
○ 2026-06-09 20:15:48

○MXoldmail.isma.com2016-03-01 → 2016-03-01 · 4 obs

○ 2016-02-11 18:53:58
● 2016-03-01 00:30:12
○ 2016-04-01 10:42:40
○ 2026-06-09 20:15:48

●MXus-smtp-inbound-1.mimecast.com2026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●MXus-smtp-inbound-2.mimecast.com2026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A104.17.137.1042026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A104.17.138.1042026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A104.17.139.1042026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A104.17.140.1042026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A104.17.141.1042026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

○A104.25.14.42015-11-18 → 2015-12-18 · 5 obs

○ 2015-11-13 09:30:00
● 2015-11-18 20:42:48
● 2015-12-18 17:45:54
○ 2016-01-20 11:04:32
○ 2026-06-09 20:15:48

○A104.25.15.42015-11-18 → 2015-12-18 · 5 obs

○ 2015-11-13 09:30:00
● 2015-11-18 20:42:48
● 2015-12-18 17:45:54
○ 2016-01-20 11:04:32
○ 2026-06-09 20:15:48

○A104.25.44.182016-02-11 → 2017-09-11 · 9 obs

○ 2016-01-25 03:02:06
● 2016-02-11 18:53:58
● 2016-04-01 10:42:40
○ 2016-04-13 03:54:58
○ 2016-07-08 05:08:02
● 2016-07-29 04:58:22
● 2017-09-11 16:41:00
○ 2020-03-05 19:28:54
○ 2026-06-09 20:15:48

○A104.25.45.182016-02-11 → 2017-09-11 · 9 obs

○A104.28.6.952016-01-20 → 2016-01-25 · 5 obs

○ 2015-12-18 17:45:54
● 2016-01-20 11:04:32
● 2016-01-25 03:02:06
○ 2016-02-11 18:53:58
○ 2026-06-09 20:15:48

○A104.28.7.952016-01-20 → 2016-01-25 · 5 obs

○ 2015-12-18 17:45:54
● 2016-01-20 11:04:32
● 2016-01-25 03:02:06
○ 2016-02-11 18:53:58
○ 2026-06-09 20:15:48

○A104.31.86.612020-03-05 → 2020-03-05 · 4 obs

○ 2017-09-11 16:41:00
● 2020-03-05 19:28:54
○ 2026-02-17 04:26:14
○ 2026-06-09 20:15:48

○A104.31.87.612020-03-05 → 2020-03-05 · 4 obs

○ 2017-09-11 16:41:00
● 2020-03-05 19:28:54
○ 2026-02-17 04:26:14
○ 2026-06-09 20:15:48

○A2400:cb00:2048:1::6819:2c122016-02-11 → 2017-09-11 · 9 obs

○A2400:cb00:2048:1::6819:2d122016-02-11 → 2017-09-11 · 9 obs

○A2400:cb00:2048:1::6819:e042015-11-18 → 2015-12-18 · 5 obs

○ 2015-11-13 09:30:00
● 2015-11-18 20:42:48
● 2015-12-18 17:45:54
○ 2016-01-20 11:04:32
○ 2026-06-09 20:15:48

○A2400:cb00:2048:1::6819:f042015-11-18 → 2015-12-18 · 5 obs

○ 2015-11-13 09:30:00
● 2015-11-18 20:42:48
● 2015-12-18 17:45:54
○ 2016-01-20 11:04:32
○ 2026-06-09 20:15:48

○A2400:cb00:2048:1::681c:65f2016-01-20 → 2016-01-25 · 5 obs

○ 2015-12-18 17:45:54
● 2016-01-20 11:04:32
● 2016-01-25 03:02:06
○ 2016-02-11 18:53:58
○ 2026-06-09 20:15:48

○A2400:cb00:2048:1::681c:75f2016-01-20 → 2016-01-25 · 5 obs

○ 2015-12-18 17:45:54
● 2016-01-20 11:04:32
● 2016-01-25 03:02:06
○ 2016-02-11 18:53:58
○ 2026-06-09 20:15:48

●A2606:4700::6811:89682026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A2606:4700::6811:8a682026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A2606:4700::6811:8b682026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A2606:4700::6811:8c682026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

●A2606:4700::6811:8d682026-02-17 → 2026-06-09 · 3 obs

○ 2020-03-05 19:28:54
● 2026-02-17 04:26:14
● 2026-06-09 20:15:48

○A2606:4700:3031::681f:563d2020-03-05 → 2020-03-05 · 4 obs

○ 2017-09-11 16:41:00
● 2020-03-05 19:28:54
○ 2026-02-17 04:26:14
○ 2026-06-09 20:15:48

○A2606:4700:3032::681f:573d2020-03-05 → 2020-03-05 · 4 obs

○ 2017-09-11 16:41:00
● 2020-03-05 19:28:54
○ 2026-02-17 04:26:14
○ 2026-06-09 20:15:48

○A52.87.13.252016-04-30 → 2016-07-08 · 5 obs

○ 2016-04-13 03:54:58
● 2016-04-30 09:13:08
● 2016-07-08 05:08:02
○ 2016-07-29 04:58:22
○ 2026-06-09 20:15:48

○A66.240.205.202015-08-31 → 2015-10-07 · 4 obs

● 2015-08-31 04:09:46
● 2015-10-07 15:50:28
○ 2015-11-13 09:30:00
○ 2026-06-09 20:15:48

○A71.6.147.1412015-11-13 → 2016-04-13 · 7 obs

○ 2015-10-07 15:50:28
● 2015-11-13 09:30:00
○ 2015-11-18 20:42:48
○ 2016-04-01 10:42:40
● 2016-04-13 03:54:58
○ 2016-04-30 09:13:08
○ 2026-06-09 20:15:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
isma.com	igor.ns.cloudflare.com, vita.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.119

NS records: igor.ns.cloudflare.com, vita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isma.com (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`104.17.139.104, 104.17.140.104...`
AAAA	5	`2606:4700::6811:8a68, 2606:4700::6811:8c68...`
NS	2	`igor.ns.cloudflare.com, vita.ns.cloudflare.com`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	3	`201707252120162rd4mz67g1mp6xxa6tyuw8to8s, MS=ms34012009...`
SOA	1	`igor.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (igor.ns.cloudflare.com, igor.ns.cloudflare.com, igor.ns.cloudflare.com...)

Analysis

Hierarchy

isma.com serves as the parent of www.isma.com.

IP Addresses

isma.com points to 10 IP numbers: 104.17.137.104, 104.17.138.104, 104.17.139.104 and seven other.

securityfund.org, nacpro.org, burgwinwrighthouse.com and two other host names share IP numbers with isma.com.

Name Servers

isma.com uses two name servers for its delegation: igor.ns.cloudflare.com and vita.ns.cloudflare.com.

isma.com uses the same name servers as several other domains — among them uspermafrost.org, lnla.org, stilistauto.it and two more.

isma.com has at least partial name server overlap with other domains, such as marikarpress.com, cymulate.app, partialflow.com and two others.

Hostnames that resolve to 6 IP addresses:

igor.ns.cloudflare.com has IP addresses 108.162.193.119, 172.64.33.119, 173.245.59.119 plus three more.

vita.ns.cloudflare.com has IP addresses 108.162.192.238, 172.64.32.238, 173.245.58.238 plus three more.

Mail Servers

Mail for isma.com is handled by two mail servers — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

isma.com uses an identical mail server configuration to several other domains — among them borstlandscape.com, kennunn.com, hideawayreport.com and two more.

At least some of isma.com's mail servers are shared with other domains, among them pinnacletechpartners.com, tsbdirect.bank and mnml.la.

Hostnames that resolve to 6 IP addresses:

us-smtp-inbound-1.mimecast.com has IP addresses 170.10.128.141, 170.10.128.221, 170.10.128.242 plus three more.

us-smtp-inbound-2.mimecast.com has IP addresses 170.10.128.141, 170.10.128.221, 170.10.128.242 plus three more.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.141 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.221 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.242 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.141 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.221 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.242 IP addresses each.