redhat.com - dns.ninja

redhat.com

DNSSEC⚠️ Not signed
A34.235.198.240🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix
PTRec2-34-235-198-240.compute-1.amazonaws.com
A52.200.142.250🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix
NSdns1.p01.nsone.net ⭐
A2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1
PTRdns1.p01.nsone.net
A198.51.44.1🇺🇸 NSONE198.51.44.0/24
PTRdns1.p01.nsone.net
NSdns1.p02.nsone.net
A2620:4d:4000:6259:7:2:0:1🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1
PTRdns1.p02.nsone.net
A198.51.44.2🇺🇸 NSONE198.51.44.0/24
PTRdns1.p02.nsone.net
NSdns2.p01.nsone.net
A2a00:edc0:6259:7:1::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p01.nsone.net
A198.51.45.1🇺🇸 NSONE198.51.45.0/24
PTRdns2.p01.nsone.net
NSdns2.p02.nsone.net
A2a00:edc0:6259:7:2::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p02.nsone.net
A198.51.45.2🇺🇸 NSONE198.51.45.0/24
PTRdns2.p02.nsone.net
NSdns3.p01.nsone.net
A2620:4d:4000:6259:7:1:0:3🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1
PTRdns3.p01.nsone.net
A198.51.44.65🇺🇸 NSONE198.51.44.0/24
PTRdns3.p01.nsone.net
NSdns4.p01.nsone.net
A2a00:edc0:6259:7:1::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p01.nsone.net
A198.51.45.65🇺🇸 NSONE198.51.45.0/24
PTRdns4.p01.nsone.net
MXus-smtp-inbound-1.mimecast.com ⭐
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com ⭐
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
TXTwework-site-verification=EABEURRXyO1yBZcn
TXTstatus-page-domain-verification=hyls0f05cd87
TXTgoogle-site-verification=fkn6chapCdYNWIcpsgH0K6mkR0yo7ldeIRC7EH23yoo
TXTgoogle-site-verification=TaSjV4JOe2XfmL_vHFKJHkPk8sjgoLkuuTTWezDO0Pw
TXTstatus-page-domain-verification=dfx5rbys1ts5
TXTdocusign=c6aa79da-fde1-4b7e-8874-28eeb223ca63
TXTdocusign=cfd355fc-11f9-4eaf-8ecf-64433ef46173
TXTadobe-idp-site-verification=10154eb7d4abe67e9e45621e46476febbec28a97a4610d7c0...
TXTamazonses:ablaZDaC37yeQUcZAZjbfqRELxucC+8pBdvhFEpTSlY=
TXTatlassian-domain-verification=fHiTv781WbOHgzl6U1McyXa9JUSSO5B0ECvgSZzJ9+b4q8w...
TXTMS=ms88428189
TXTMS=ms44845140
TXTmiro-verification=0bc02d4257d450b9f9034363a58f88b4b904dc22
TXTgoogle-site-verification=rl_wq5rq_W7A7OSyK08d8Ta_Hf6AKP5tqtdlo4iGTvs
TXTapple-domain-verification=xaB3GAa9xxzrpoS4
TXTDynatrace-site-verification=6d28213f-f653-42df-8f09-a7ae69f50e6a__dk5hkah3jue...
TXTDynatrace-site-verification=1782cd51-ac66-4966-acdc-061c80f794f5__t1aa4l3qdsf...
TXTv=spf1 redirect=73t7ezjz._spf._d.mim.ec
TXTsegment-site-verification=Kk3pC9UBfhioQzibTvTIhT4TFVwP4niP
TXTslack-domain-verification=dPrnI9sLvqvAbQUwzvFsPXSPEU1PLODdgGxLhEUr
TXTpendo-domain-verification=01424ad4-8f69-4456-90ff-5f544ada6cec
TXT_w3mdwen0nsght830g06ehmrsdmvuilf
TXTdocker-verification=b3c48bbc-05f6-40b8-8391-b5ad3366c6ec
TXTcursor-domain-verification-xts7mh=BCrLupJRjleUhfxmNA4CUlgaE
TXTanthropic-domain-verification-75gwks=eCqmQbyCwqL2ocuciTDIydVPj
TXTjetbrains-domain-verification=c52sdl8fpvtdvcunhy64u3149
SOAdns1.p01.nsone.nethostmaster@nsone.net serial=1684376201

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786058249
rank #235 globally
rank #153 in the tld

redhat.com

Red Hat, Inc.'s official website — the American software company known for enterprise open-source products, most notably Red Hat Enterprise Linux (RHEL). The company has operated as an independent subsidiary of IBM since 2019.

Key facts

  • Owner / operator: Red Hat, Inc. (a subsidiary of IBM)
  • TLD:.com— gTLD
  • Primary purpose: corporate website, product information, customer portal, and documentation for Red Hat's enterprise open-source software
  • Status: active

History

YearEvent
1993Red Hat is founded
1999Red Hat has its IPO on NASDAQ
2012Red Hat becomes the first billion-dollar open-source company
2019IBM completes its acquisition of Red Hat, operating it as a distinct subsidiary

Related domains

  • redhat.io— used for developer-focused content and product resources
  • access.redhat.com— customer support and knowledge base portal
  • centos.org— a community Linux distribution historically sponsored/stewarded by Red Hat
  • ibm.com— parent company's official site
Semrush Rank:#4,538 Keywords:321,472 Traffic:539,028/mo
WOT: SAFE (95/100)
📈 Tranco rank: #636
redhat.com - Tranco Rank (30d: ↓-28)605610620630640Jun 28Jul 7Jul 16Jul 25Aug 3Aug 4Rank#608#636

Red Hat

Red Hat is a leading enterprise open source software company, now a subsidiary of IBM (acquired in 2019 for $34 billion). The company specializes in providing enterprise-grade Linux, cloud computing, and automation solutions to organizations worldwide.

Products & Services

  • Red Hat Enterprise Linux (RHEL) – The flagship commercial Linux distribution used by enterprises globally
  • OpenShift – Kubernetes-based container application platform for hybrid cloud deployments
  • Ansible – Industry-leading IT automation and configuration management platform
  • JBoss – Middleware and application server solutions
  • Red Hat Satellite – Systems management for RHEL deployments
  • Training & Certification – Extensive professional certification programs (RHCSA, RHCE, etc.)

Infrastructure

TypeDetails
NameserversNSONE (dns1-4.p01.nsone.net, dns1-2.p02.nsone.net)
Web HostingAmazon AWS (EC2 us-east-1)
MailMimecast (us-smtp-inbound-1/2.mimecast.com)
IPv434.235.198.240, 52.200.142.250
DNSSECNot signed

The domain uses enterprise-grade infrastructure with NSONE for DNS management, AWS for web hosting, and Mimecast for email security and filtering.

Subdomains

stronghold.redhat.com
selfservice.redhat.com
origin-www2.redhat.com
nat-pool-muc-u.redhat.com
sources.redhat.com
vpn-sin2.redhat.com
openshift.redhat.com
smetrics.redhat.com
nat-pool-fab.redhat.com
ip-254-42-145-38.redhat.com
legacy.redhat.com
nat-pool-sel-t1.redhat.com
fw01-bne.redhat.com
ovpn-iad2.redhat.com
rhsm.redhat.com
ole.redhat.com
nat-pool-bne-t.redhat.com
catalog.redhat.com
ip-254-229-187-66.redhat.com
press.redhat.com
nat-pool-blr-t.redhat.com
latam.redhat.com
magazine.redhat.com
nat-pool-str.redhat.com
investors.redhat.com
cdn.redhat.com
packages.redhat.com
web1-rs.redhat.com
nat-pool-brq-t.redhat.com
nat-pool-232-134.redhat.com
nat-pool-brq-u.redhat.com
info.redhat.com
ns3.redhat.com
mobilemail.redhat.com
paas.redhat.com
academy.redhat.com
redirects-ext-us-east.redhat.com
nat-pool-232-132.redhat.com
console.redhat.com
redirect.redhat.com
docs.redhat.com
rhn.redhat.com
nat-pool-bom-u.redhat.com
sso.redhat.com
static.redhat.com
learn.redhat.com
fr.redhat.com
wildcard-exposed-ext-paas.redhat.com
origin-www-a.redhat.com
ovpn-rdu2.redhat.com
ansiblecloud.redhat.com
hardware.redhat.com
nat-pool-nrt-u.redhat.com
nat-pool-bom-t.redhat.com
community.redhat.com
demo.redhat.com
apac.redhat.com
rhelblog.redhat.com
nat-pool-rdu-t.redhat.com
nat-pool-arn-u.redhat.com
es.redhat.com
connect.redhat.com
developers.redhat.com
ns1.redhat.com
mojo.redhat.com
graphql.redhat.com
mayberry.redhat.com
ns4.redhat.com
sbc02-sin2.redhat.com
in.redhat.com
et.redhat.com
bugzilla-attachments.redhat.com
gw-rdu2.redhat.com
ovpn-pnq2.redhat.com
elvis.redhat.com
ce.redhat.com
it.redhat.com
nat-pool-nrt-t.redhat.com
nat-pool-tlv-t.redhat.com
issues.redhat.com
nat-pool-mxp-t.redhat.com
developerblog.redhat.com
rhtapps.redhat.com
nat-pool-tlv-t1.redhat.com
blogs.redhat.com
router-str.redhat.com
ovpn-brq.redhat.com
fedora.redhat.com
nat-pool-fab-t.redhat.com
smtrcs.redhat.com
engage.redhat.com
mx2-rdu2.redhat.com
spacewalk.redhat.com
kbase.redhat.com
auth.redhat.com
start.redhat.com
ip-254-183-132-209.redhat.com
nat-pool-pnq-t.redhat.com
nat-pool-rdu-u.redhat.com
partners.redhat.com

Same first word

redhat.us
redhat.live
redhat.io
redhat.pro
redhat.su
redhat.name
redhat.software
redhat.pl
redhat.pt
redhat.me.uk
redhat.jp
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redhat.co.ve
redhat.com.lv
redhat.co.in
redhat.(0x787878)
redhat.online
redhat.net
redhat.tv
redhat.in.th
redhat.is
redhat.lv
redhat.com.ph
redhat.ru
redhat.mx
redhat.events
redhat.com.tw
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redhat.com.pl
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redhat.co.rs
redhat.ch
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redhat.co.uk
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redhat.co.nz
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htrade.net.cn

DNS History

23 records (10 active, 13 former)

20162017201820192020202120222023202420252026NSdns1.p01.nsone.netdns1.p02.nsone.netdns2.p01.nsone.netdns2.p02.nsone.netdns3.p01.nsone.netdns4.p01.nsone.neta1-68.akam.neta10-65.akam.neta13-66.akam.neta16-67.akam.neta28-64.akam.neta9-65.akam.netns1.redhat.comns2.redhat.comns3.redhat.comns4.redhat.comMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.commx1.redhat.commx2.redhat.comA34.235.198.24052.200.142.250209.132.183.105
○NSa1-68.akam.net2019-06-24 → 2021-11-27 · 5 obs
○ 2019-06-17 11:34:00
● 2019-06-24 03:22:36
● 2021-11-27 07:13:32
○ 2026-02-15 03:23:34
○ 2026-08-06 23:36:36
○NSa10-65.akam.net2019-06-24 → 2021-11-27 · 5 obs
○ 2019-06-17 11:34:00
● 2019-06-24 03:22:36
● 2021-11-27 07:13:32
○ 2026-02-15 03:23:34
○ 2026-08-06 23:36:36
○NSa13-66.akam.net2019-06-24 → 2021-11-27 · 5 obs
○ 2019-06-17 11:34:00
● 2019-06-24 03:22:36
● 2021-11-27 07:13:32
○ 2026-02-15 03:23:34
○ 2026-08-06 23:36:36
○NSa16-67.akam.net2019-08-19 → 2021-11-27 · 5 obs
○ 2019-06-24 03:22:36
● 2019-08-19 11:16:36
● 2021-11-27 07:13:32
○ 2026-02-15 03:23:34
○ 2026-08-06 23:36:36
○NSa28-64.akam.net2019-08-19 → 2021-11-27 · 5 obs
○ 2019-06-24 03:22:36
● 2019-08-19 11:16:36
● 2021-11-27 07:13:32
○ 2026-02-15 03:23:34
○ 2026-08-06 23:36:36
○NSa9-65.akam.net2019-08-19 → 2021-11-27 · 5 obs
○ 2019-06-24 03:22:36
● 2019-08-19 11:16:36
● 2021-11-27 07:13:32
○ 2026-02-15 03:23:34
○ 2026-08-06 23:36:36
●NSdns1.p01.nsone.net2026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36
●NSdns1.p02.nsone.net2026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36
●NSdns2.p01.nsone.net2026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36
●NSdns2.p02.nsone.net2026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36
●NSdns3.p01.nsone.net2026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36
●NSdns4.p01.nsone.net2026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36
○NSns1.redhat.com2015-08-19 → 2019-06-24 · 4 obs
● 2015-08-19 12:47:18
● 2019-06-24 03:22:36
○ 2019-08-19 11:16:36
○ 2026-08-06 23:36:36
○NSns2.redhat.com2015-08-19 → 2019-06-24 · 4 obs
● 2015-08-19 12:47:18
● 2019-06-24 03:22:36
○ 2019-08-19 11:16:36
○ 2026-08-06 23:36:36
○NSns3.redhat.com2015-08-19 → 2019-06-17 · 4 obs
● 2015-08-19 12:47:18
● 2019-06-17 11:34:00
○ 2019-06-24 03:22:36
○ 2026-08-06 23:36:36
○NSns4.redhat.com2015-08-19 → 2019-06-17 · 4 obs
● 2015-08-19 12:47:18
● 2019-06-17 11:34:00
○ 2019-06-24 03:22:36
○ 2026-08-06 23:36:36
○MXmx1.redhat.com2015-08-19 → 2019-10-08 · 4 obs
● 2015-08-19 12:47:18
● 2019-10-08 14:22:50
○ 2019-12-16 22:41:40
○ 2026-08-06 23:36:36
○MXmx2.redhat.com2015-08-19 → 2019-10-08 · 4 obs
● 2015-08-19 12:47:18
● 2019-10-08 14:22:50
○ 2019-12-16 22:41:40
○ 2026-08-06 23:36:36
●MXus-smtp-inbound-1.mimecast.com2019-12-16 → 2026-08-06 · 3 obs
○ 2019-10-08 14:22:50
● 2019-12-16 22:41:40
● 2026-08-06 23:36:36
●MXus-smtp-inbound-2.mimecast.com2019-12-16 → 2026-08-06 · 3 obs
○ 2019-10-08 14:22:50
● 2019-12-16 22:41:40
● 2026-08-06 23:36:36
○A209.132.183.1052015-08-19 → 2021-11-27 · 4 obs
● 2015-08-19 12:47:18
● 2021-11-27 07:13:32
○ 2026-02-15 03:23:34
○ 2026-08-06 23:36:36
●A34.235.198.2402026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36
●A52.200.142.2502026-02-15 → 2026-08-06 · 3 obs
○ 2021-11-27 07:13:32
● 2026-02-15 03:23:34
● 2026-08-06 23:36:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
redhat.comdns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net...-

✅ Authoritative Response

Server:198.51.45.2

NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p02.nsone.net, dns2.p02.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for redhat.com (unsigned zone)

⏱️ Timing

Total: 696ms | Queries: -

📄 Records

TypeCountSample Data
A252.200.142.250, 34.235.198.240
NS6dns1.p01.nsone.net, dns2.p01.nsone.net...
MX2us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)
TXT26wework-site-verification=EABEURRXyO1yBZc, status-page-domain-verification=hyls0f05...
SOA1dns1.p01.nsone.net hostmaster.nsone.net

Related

📦 Owned byIBM

Analysis

Hierarchy

stronghold.redhat.com, selfservice.redhat.com, origin-www2.redhat.com, nat-pool-muc-u.redhat.com, sources.redhat.com and hundreds of other host names are subdomains of redhat.com.

IP Addresses

redhat.com resolves to the IP addresses 34.235.198.240 and 52.200.142.250

enterpriserproject.com, chatterbox.co, ansible.com and two other host names share IP numbers with redhat.com.

Name Servers

The DNS delegation for redhat.com covers 6 name servers: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 3 more.

redhat.com shares at least some of its name servers with other domains, including abendrot.org, revolve-health.com, fungalcomplaints.co.uk and two others.

These name servers are frequently seen alongside dns4.p01.nsone.net, ns01.squarespacedns.com, ns02.squarespacedns.com and 7 other name servers.

Hostnames that resolve to two IP addresses:

dns1.p01.nsone.net maps to two IP addresses — 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns2.p01.nsone.net maps to two IP addresses — 198.51.45.1 and 2a00:edc0:6259:7:1::2.

dns3.p01.nsone.net maps to two IP addresses — 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.

dns4.p01.nsone.net maps to two IP addresses — 198.51.45.65 and 2a00:edc0:6259:7:1::4.

dns1.p02.nsone.net maps to two IP addresses — 198.51.44.2 and 2620:4d:4000:6259:7:2:0:1.

dns2.p02.nsone.net maps to two IP addresses — 198.51.45.2 and 2a00:edc0:6259:7:2::2.

Mail Servers

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

redhat.com uses an identical mail server configuration to several other domains — among them reliacomp.com, kemp.ax, dsg-logistics.com and two more.

redhat.com has at least partial mail server overlap with other domains such as kinsaleins.com, ogletree.biz, efslease.com and two more.

Hostnames that resolve to 6 IP addresses:

us-smtp-inbound-1.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

us-smtp-inbound-2.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.242 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.242 IP addresses.