Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 03:34:43 UTC · ↺ Refresh
MX Hostnames
- arm-com.mail.protection.outlook.com
MX Priorities
- arm-com.mail.protection.outlook.com: 10
A / AAAA Records
- 217.140.110.36 ↩ lm.arm.com
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns9.arm.com hostmaster.arm.com 2026010934 43200 7200 2419200 3600
Primary NS (mname)
ns9.arm.com
Admin Email (rname)
hostmaster@arm.com
Serial
2026010934
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns10.arm.com
ns9.arm.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf-a.arm.com include:_spf-b.arm.com include:_spf-c.arm.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
36 records- loom-site-verification=0c5ca6a1e0644cad80e3dabbae38bce3
- facebook-domain-verification=p9lo864qhly23ne718q7xpx8ou5en5
- 75mg2wb15tKXyadX7ubMPLg5fJz9kISG9XOX1+1aTMA=
- arm.com.00DE0000000L5GtMAK.live.siteforce.com
- scnv-verification=2dc0c3db9aeb6cc6cbc4d01b352a776a:304298b8f07d069b4fe822ae05fa4998:958046c5754042a68cfdc62a99423941
- 00de0000000l5gtmak
- remarkable-domain-verification=0e104644-0823-47c1-8207-e6f8cfc4b56d
- asv=73e72696310a7c875d617954c2c2380b
- e880bd87-df0f-4092-a5ec-5d2355aadfbb
- wZESOmeviH35RYkJm+jmvdFq3S4s8LaNfUvlocmmFcg=
- SPFv=spf1 include:_spf-a.arm.com include:_spf-b.arm.com include:_spf-c.arm.com -all
- pTXUqVOFDgvKujvb2YneVrgSMs4HO2L3QY/DBptqMX0=
- MS=ms99651240
- google-site-verification=tHuC5YTqt9gYnORmLQokkO-KBiiM86U1qvCrTb2Zh_w
- 7Ms7HXWIVBFZt8rbhyvRZj1SjMLKHUGxpBcwH2lfQV8=
- docusign=4354edae-504a-4b6b-87e6-1e4ff8faa4b4
- arm.com Globalsign validation
- atlassian-sending-domain-verification=dbd0283e-6213-4e44-a9e0-d105d0798424
- docusign=1b941d60-18db-4bc0-893a-9f050c6ff220
- MS=ms75314990
- docker-verification=44a6692b-6e77-44fd-8701-071d06f9f319
- jamf-site-verification=N8SpeAd-0sZd-eq7yo86tw
- 6lGRnuRk8kC0MPI/1xxIjEKbcbRHL5yBXKoXofWbiXQ=
- _globalsign-domain-verification=RW5XFgbr6HEWfe8ifSSAodFQYdy3tAqZ-Pza5nYpFu
- Validity-Domain-Verification=+fvuyK4xGf8IYtdYiPEHhu+B90A=
- Dynatrace-site-verification=83ffa8fa-73e2-4d46-878a-734e3bbfbc8c__tuevt2jng9172hnkapd2ilpf5n
- parallels-domain-verification=63113f27e7e54ff1b08f85e406ae405970a0957b720046d4b2845035a5b6e264
- miro-verification=519a170e96753c702023321610d10cf2564c2fb6
- t6keBVEiT94PQwcYb3UwyLUpkWVpEfUR+GHpHBd6L24=
- google-site-verification=wAP0CMj1e4ykhDl5tvr_TRJDLTQCRu2Ssi_lN5XBdns
- atlassian-domain-verification=Kab7/mjw4dDUOKLoQrDFRANUr861TeImKTyMXKzs4qtnFUEpg+nnzNad4rnaS9Pr
- 7hH07yiIUzNg+lhbIbS2I+qoyXam+XYjZQphd30oy2s=
- mongodb-site-verification=xXRygrrDunBRlVKK2gclJFnFrCmNa7vJ
- apple-domain-verification=BSBEa0gMuEQAMKLR
- google-site-verification=sFxb2VJWasr0bcA0AfiCwrxNInZ_BwXA0kQf1w9WmSI
- docusign=3378549e-e22d-4ebb-a1fc-13cd3e7657cd
Full email verification for arm.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits