arm.com - dns.ninja

`arm.com`

DNSSEC	⚠️ Not signed
A	217.140.110.36^{🇺🇸 ARM-AS217.140.110.0/24}
		PTR	`lm.arm.com`
NS	`ns9.arm.com` ⭐
		A	217.140.99.103^{🇬🇧 ARM-AS217.140.99.0/24}
NS	`ns10.arm.com`
		A	217.140.110.37^{🇺🇸 ARM-AS217.140.110.0/24}
MX	`arm-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`6lGRnuRk8kC0MPI/1xxIjEKbcbRHL5yBXKoXofWbiXQ=`
TXT	`apple-domain-verification=BSBEa0gMuEQAMKLR`
TXT	`wZESOmeviH35RYkJm+jmvdFq3S4s8LaNfUvlocmmFcg=`
TXT	`scnv-verification=2dc0c3db9aeb6cc6cbc4d01b352a776a:304298b8f07d069b4fe822ae05...`
TXT	`t6keBVEiT94PQwcYb3UwyLUpkWVpEfUR+GHpHBd6L24=`
TXT	`e880bd87-df0f-4092-a5ec-5d2355aadfbb`
TXT	`_globalsign-domain-verification=RW5XFgbr6HEWfe8ifSSAodFQYdy3tAqZ-Pza5nYpFu`
TXT	`miro-verification=519a170e96753c702023321610d10cf2564c2fb6`
TXT	`docker-verification=44a6692b-6e77-44fd-8701-071d06f9f319`
TXT	`75mg2wb15tKXyadX7ubMPLg5fJz9kISG9XOX1+1aTMA=`
TXT	`7Ms7HXWIVBFZt8rbhyvRZj1SjMLKHUGxpBcwH2lfQV8=`
TXT	`google-site-verification=sFxb2VJWasr0bcA0AfiCwrxNInZ_BwXA0kQf1w9WmSI`
TXT	`asv=73e72696310a7c875d617954c2c2380b`
TXT	`pTXUqVOFDgvKujvb2YneVrgSMs4HO2L3QY/DBptqMX0=`
TXT	`atlassian-domain-verification=Kab7/mjw4dDUOKLoQrDFRANUr861TeImKTyMXKzs4qtnFUE...`
TXT	`7hH07yiIUzNg+lhbIbS2I+qoyXam+XYjZQphd30oy2s=`
TXT	`docusign=1b941d60-18db-4bc0-893a-9f050c6ff220`
TXT	`MS=ms99651240`
TXT	`loom-site-verification=0c5ca6a1e0644cad80e3dabbae38bce3`
TXT	`docusign=3378549e-e22d-4ebb-a1fc-13cd3e7657cd`
TXT	`remarkable-domain-verification=0e104644-0823-47c1-8207-e6f8cfc4b56d`
TXT	`arm.com Globalsign validation`
TXT	`atlassian-sending-domain-verification=dbd0283e-6213-4e44-a9e0-d105d0798424`
TXT	`sitecore-domain-verification=bbcb1c51864649aa942224a73711a109`
TXT	`_globalsign-domain-verification=xl_zUjAb5e-087Hw3oq00POA4DNbyJcyjKUUQtmymv`
TXT	`00de0000000l5gtmak`
TXT	`parallels-domain-verification=63113f27e7e54ff1b08f85e406ae405970a0957b720046d...`
TXT	`arm.com.00DE0000000L5GtMAK.live.siteforce.com`
TXT	`neat-pulse-domain-verification-wvQLGxN=e6b3cca3-8379-463b-8a66-8128a89d0236`
TXT	`docusign=4354edae-504a-4b6b-87e6-1e4ff8faa4b4`
TXT	`jamf-site-verification=N8SpeAd-0sZd-eq7yo86tw`
TXT	`facebook-domain-verification=p9lo864qhly23ne718q7xpx8ou5en5`
TXT	`google-site-verification=wAP0CMj1e4ykhDl5tvr_TRJDLTQCRu2Ssi_lN5XBdns`
TXT	`Dynatrace-site-verification=83ffa8fa-73e2-4d46-878a-734e3bbfbc8c__tuevt2jng91...`
TXT	`Validity-Domain-Verification=+fvuyK4xGf8IYtdYiPEHhu+B90A=`
TXT	`v=spf1 include:_spf-a.arm.com include:_spf-b.arm.com include:_spf-c.arm.com -all`
TXT	`MS=ms75314990`
TXT	`google-site-verification=tHuC5YTqt9gYnORmLQokkO-KBiiM86U1qvCrTb2Zh_w`
TXT	`mongodb-site-verification=xXRygrrDunBRlVKK2gclJFnFrCmNa7vJ`
SOA	`ns9.arm.com`hostmaster@arm.com 2026-06-26 #9

`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=1784842772

rank #2605 globally
rank #1369 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #8,794

Subdomains

secopsdmz-ext.arm.com

careers.arm.com

ftp2.arm.com

artbox.arm.com

raven.arm.com

www.arm.com

infocenter.arm.com

newsroom.arm.com

austin.arm.com

engaged.arm.com

license.arm.com

fw-tnat-cam2.arm.com

openci.arm.com

foss.arm.com

keil.arm.com

jira.arm.com

documentation-service.arm.com

confluence.arm.com

ns10.arm.com

webconf.arm.com

gitlab.arm.com

mx1.arm.com

smtpin.arm.com

smetrics.arm.com

prod1.arm.com

account.arm.com

maidenhead.arm.com

access.arm.com

jp.arm.com

api.arm.com

ns9.arm.com

fw-tnat-cam1.arm.com

ns7.arm.com

investors.arm.com

metrics.arm.com

origin-connect.arm.com

login.arm.com

community.arm.com

developer.arm.com

losgatos.arm.com

silver.arm.com

tools.arm.com

origin-www.arm.com

emea.arm.com

tokyo.arm.com

fw-tnat-cam3.arm.com

origin-silver.arm.com

mx0.arm.com

pages.arm.com

cambridge.arm.com

lm.arm.com

Same first word

arm.pl

arm.fr

arm.no

arm.gives

arm.co.za

arm.com.au

arm.co.gg

arm.co.th

arm.ag

arm.com.tw

arm.web.id

arm.co.com

arm.krakow.pl

arm.la

arm.si

arm.in.ua

arm.gov.pl

arm.net

arm.com.ng

arm.catholic.edu.au

arm.nl

arm.graphics

arm.my

arm.com.sg

arm.com.my

arm.hr

arm.tools

arm.equipment

arm.asia

arm.im

arm.com.hk

arm.gov

arm.ee

arm.pw

arm.in.th

arm.dp.ua

arm.email

arm.eu

arm.lu

arm.services

arm.lol

arm.enterprises

arm.pm

arm.training

arm.sk

arm.tv

arm.co.il

arm.amsterdam

arm.ch

arm.coop

arm.limited

arm.com.pk

arm.co.id

arm.wiki

arm.group

arm.co

arm.com.tr

arm.chat

arm.be

arm.my.id

arm.marketing

arm.io

arm.support

arm.international

arm.cl

arm.uk

arm.me

arm.spb.ru

arm.ru

arm.partners

arm.se

arm.one

arm.dk

arm.es

arm.careers

arm.art

arm.pe

arm.ac.uk

arm.at

arm.kz

arm.ms

arm.kg

arm.asso.mc

arm.lt

arm.ph

arm.vn

arm.uno

arm.jp

arm.edu.pl

arm.com.mx

arm.skin

arm.solutions

arm.us

arm.ltd

arm.biz

arm.technology

arm.cz

arm.education

arm.com.ru

arm.computer

arm.in

arm.co.uk

arm.company

arm.net.au

arm.de

arm.com

arm.by

Similar names

mra.gov.mu

amr.com.ar

amr.by

mar.bz

amr.my

ram.io

amr.guru

amr.dk

rma.at

mar.tax

amr.directory

mar.photography

mar.ch

mar.cz

ram.cr

mra.gov.ge

rma.net.au

mar.br

amr.ca

amr.training

amr.ee

ram.hu

ram.com.br

ram.network

ram.kz

amr.capital

ram.solutions

mra.my

mra.it

amr.co.za

ram.net

ram.hr

ram.co.kr

amr.com.tr

mar.sh

mar.tel

ram.uk.com

mra.org

ram.capital

mar.to

ram.ws

rma.be

amr.fr

mar.tl

amr.kz

amr.email

mra.my.id

amr.zone

mar.codes

ram.com.mx

mar.com.au

amr.mobi

rma.me

mra.sk

mra.ru

rma.nl

rma.co.il

ram.com.uy

amr.bg

mar.pl

ram.net.pl

mra.co.za

amr.be

amr.ws

amr.com.vn

mra.xyz

ram.radio

ram.gr

ram.ac

rma.org.br

mar.at

mar.cc

rma.cc

rma.fr

ram.ie

DNS History

15 records (4 active, 11 former)

●NSns10.arm.com2020-07-22 → 2026-07-23 · 3 obs

○ 2018-08-04 05:24:18
● 2020-07-22 12:20:46
● 2026-07-23 21:50:22

○NSns7.arm.com2015-08-24 → 2018-08-04 · 4 obs

● 2015-08-24 16:42:30
● 2018-08-04 05:24:18
○ 2020-07-22 12:20:46
○ 2026-07-23 21:50:22

○NSns8.arm.com2015-08-24 → 2018-08-04 · 4 obs

● 2015-08-24 16:42:30
● 2018-08-04 05:24:18
○ 2020-07-22 12:20:46
○ 2026-07-23 21:50:22

●NSns9.arm.com2020-07-22 → 2026-07-23 · 3 obs

○ 2018-08-04 05:24:18
● 2020-07-22 12:20:46
● 2026-07-23 21:50:22

●MXarm-com.mail.protection.outlook.com2016-11-02 → 2026-07-23 · 3 obs

○ 2016-10-21 22:43:38
● 2016-11-02 09:44:54
● 2026-07-23 21:50:22

○MXeu-smtp-inbound-1.mimecast.com2015-08-24 → 2016-10-21 · 4 obs

● 2015-08-24 16:42:30
● 2016-10-21 22:43:38
○ 2016-11-02 09:44:54
○ 2026-07-23 21:50:22

○MXeu-smtp-inbound-2.mimecast.com2015-08-24 → 2016-10-21 · 4 obs

● 2015-08-24 16:42:30
● 2016-10-21 22:43:38
○ 2016-11-02 09:44:54
○ 2026-07-23 21:50:22

○A104.103.181.1062018-08-04 → 2018-08-04 · 4 obs

○ 2017-10-05 04:54:18
● 2018-08-04 05:24:18
○ 2020-07-22 12:20:46
○ 2026-07-23 21:50:22

○A184.30.60.1162020-07-22 → 2021-02-18 · 5 obs

○ 2018-08-04 05:24:18
● 2020-07-22 12:20:46
● 2021-02-18 15:24:02
○ 2021-04-30 13:09:46
○ 2026-07-23 21:50:22

●A217.140.110.362021-06-13 → 2026-07-23 · 3 obs

○ 2021-04-30 13:09:46
● 2021-06-13 19:36:00
● 2026-07-23 21:50:22

○A217.140.98.1272015-08-24 → 2017-07-11 · 4 obs

● 2015-08-24 16:42:30
● 2017-07-11 14:00:14
○ 2017-08-16 15:10:10
○ 2026-07-23 21:50:22

○A23.207.181.732017-08-16 → 2017-10-05 · 5 obs

○ 2017-07-11 14:00:14
● 2017-08-16 15:10:10
● 2017-10-05 04:54:18
○ 2018-08-04 05:24:18
○ 2026-07-23 21:50:22

○A23.35.162.752021-04-30 → 2021-04-30 · 4 obs

○ 2021-02-18 15:24:02
● 2021-04-30 13:09:46
○ 2021-06-13 19:36:00
○ 2026-07-23 21:50:22

○PTR217.140.106.51.arm.com2020-07-22 → 2026-02-16 · 4 obs

● 2020-07-22 12:20:46
● 2026-02-16 21:36:04
○ 2026-02-18 03:03:42
○ 2026-07-23 21:50:22

○PTR217.140.106.55.arm.com2020-07-22 → 2026-02-16 · 4 obs

● 2020-07-22 12:20:46
● 2026-02-16 21:36:04
○ 2026-02-18 03:03:42
○ 2026-07-23 21:50:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
arm.com	ns9.arm.com, ns10.arm.com	2 records

✅ Authoritative Response

Server:217.140.99.103

NS records: ns9.arm.com, ns10.arm.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arm.com (unsigned zone)

⏱️ Timing

Total: 1062ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.140.110.36`
NS	2	`ns10.arm.com, ns9.arm.com`
MX	1	`arm-com.mail.protection.outlook.com (pri`
TXT	39	`75mg2wb15tKXyadX7ubMPLg5fJz9kISG9XOX1+1a, docker-verification=44a6692b-6e77-44fd-8...`
SOA	1	`ns9.arm.com hostmaster.arm.com`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns9.arm.com, ns10.arm.com)

Analysis

Hierarchy

The host names secopsdmz-ext.arm.com, careers.arm.com, ftp2.arm.com, artbox.arm.com and raven.arm.com — among a few others — fall under the parent domain arm.com.

IP Addresses

arm.com directs to one IP number, which is 217.140.110.36.

The host names keil.com, lm.arm.com, www.worksonarm.com and worksonarm.com all share IP numbers with arm.com.

Name Servers

DNS delegation for arm.com points to two name servers: ns10.arm.com and ns9.arm.com.

arm.com has the same name server delegation as a number of other domains, such as 110.140.217.in-addr.arpa, 106.140.217.in-addr.arpa, 109.140.217.in-addr.arpa and two more.

There is an overlap in name servers between arm.com and other domains, for example mbed.co.uk, keil.com and keilsoftware.com

These name servers tend to be used in conjunction with the name servers ns7.arm.com.

Each of ns10.arm.com and ns9.arm.com has one IP address: ns10.arm.com uses 217.140.110.37 and ns9.arm.com uses 217.140.99.103.

Mail Servers

arm.com routes its mail through a single mail server, arm-com.mail.protection.outlook.com.

arm-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.5, 52.101.68.8 and 52.101.68.25, along with 5 other.