learning.com

Valid Email Server
Domain Lookup › learning.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
learning.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 23:58:02 UTC · ↺ Refresh

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MX Hostnames

  • d350051b.ess.barracudanetworks.com
  • d350051a.ess.barracudanetworks.com

MX Priorities

  • d350051a.ess.barracudanetworks.com: 0
  • d350051b.ess.barracudanetworks.com: 99

A / AAAA Records

  • 104.198.1.206 ↩ 206.1.198.104.bc.googleusercontent.com

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns-404.awsdns-50.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-404.awsdns-50.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-404.awsdns-50.com
ns-524.awsdns-01.net
ns-1331.awsdns-38.org
ns-1771.awsdns-29.co.uk

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ip4:167.216.128.0/22 ip4:64.89.44.0/23 ip4:35.80.141.6 ip4:44.229.121.55 include:amazonses.com include:2336109.spf05.hubspotemail.net include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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
  • anthropic-domain-verification-fb9vka=RuzMx33lUl61o7HlJEDq82xQi
  • atlassian-domain-verification=8TUixmTA8yi5taatqP0jIpV0PWtd7VyaQ4bdVG/OghF5xFeExqWOIUPJaKQ8jdS4
  • figma-domain-verification=bea4c0cd937bff036d1c1190a940b1f3d64c0890c938fa498b6ceba4c9beb004-1754590051
  • google-site-verification=G-xJBL_7RivSONyc9L_sGV4hED7spqQnQ55P5uVRbhc
  • miro-verification=74353d98d1899bbd843774c8dae7ae72409ef16f
  • openai-domain-verification=dv-cxqAE9EPsimihhiiLKSFiORy
  • SPFv=spf1 mx include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ip4:167.216.128.0/22 ip4:64.89.44.0/23 ip4:35.80.141.6 ip4:44.229.121.55 include:amazonses.com include:2336109.spf05.hubspotemail.net include:_spf.salesforce.com -all
  • Dynatrace-site-verification=6cd2ed88-98ab-4fc6-9467-ff2a17146d2d__tm5ar7uheha96ivfk1jbbvncir
  • ZOOM_verify_YUvGPFp5EwO7aOWp2hILSS
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