2020companies.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
2020companies.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 19:51:05 UTC · ↺ Refresh

MX Hostnames

  • 2020companies-com.mail.protection.outlook.com

MX Priorities

  • 2020companies-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 34.174.95.122 ↩ 122.95.174.34.bc.googleusercontent.com

Mail Server IPs

  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns.rackspace.com hostmaster.rackspace.com 1774458262 3600 300 1814400 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
hostmaster@rackspace.com
Serial
1774458262
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s

Nameservers (NS)

ns.rackspace.com
ns2.rackspace.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.smtp.com ip4:67.192.90.80 ip4:24.155.238.198 ip4:209.177.165.130 ip4:209.177.165.160 ip4:209.177.165.161 ip4:209.177.165.162 ip4:208.91.114.151 include:_spf.salesforce.com include:48765640.spf06.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
default._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

9 records
  • airtable-verification=81f0700452a1dfb343d6825cf8176362
  • perplexity-ai-domain-verification-rztqy6=LbaQr7RXmuWNXpjXrWogwZsIY
  • google-site-verification=l5tZv9IQ_2FdNxVIk0jtWHZ2-TI5lQEnNbnelSAyRKQ
  • canva-site-verification=DiAtXL5Rh_6hj4fOYTvdlg
  • atlassian-domain-verification=gt5zea88FYZ0eluCAkv1esBFYxFpS1xGortMjhZaQ7/39uTYHaa24ZANdronoWXg
  • box-domain-verification=d0ee12363dfec6de50363d526ed76545fb7c8704bcadb3cdeefa82869df72227
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.smtp.com ip4:67.192.90.80 ip4:24.155.238.198 ip4:209.177.165.130 ip4:209.177.165.160 ip4:209.177.165.161 ip4:209.177.165.162 ip4:208.91.114.151 include:_spf.salesforce.com include:48765640.spf06.hubspotemail.net -all
  • atlassian-sending-domain-verification=7c9da73c-9653-4e93-b75c-b1d7cd60f1f4
  • openai-domain-verification=dv-zzs6Q6ZYJ2RutEgqP9f05hKi
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