mx1.ibm.com

Valid Email Server
Domain Lookup › mx1.ibm.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
mx1.ibm.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 03:49:34 UTC · ↺ Refresh

MX Hostnames

  • mx0b-001b2d05.pphosted.com
  • mx0a-001b2d05.pphosted.com

MX Priorities

  • mx0a-001b2d05.pphosted.com: 5
  • mx0b-001b2d05.pphosted.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 205.220.161.114 ↩ mx0a-001b2d05.pphosted.com
  • 205.220.172.48 ↩ mx0b-001b2d05.pphosted.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:50.22.158.201 ip4:169.61.105.73 ip4:148.163.158.5 ip4:148.163.156.1 ip4:32.97.182.0/24 ip4:32.97.110.0/24 ip4:129.33.205.192/27 a:isource.boulder.ibm.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • docker-verification=d0a19df2-2b10-4c93-9db0-407e6e2a7247
  • atlassian-domain-verification=a32Aj0uoXQRh6QseDFFrlufYlkbeSdok7az3sY0DQNVXpW1Iqj8zlsuXFZgHMojH
  • SPFv=spf1 ip4:50.22.158.201 ip4:169.61.105.73 ip4:148.163.158.5 ip4:148.163.156.1 ip4:32.97.182.0/24 ip4:32.97.110.0/24 ip4:129.33.205.192/27 a:isource.boulder.ibm.com ~all
  • figma-domain-verification=597cc1c5948400251db174924d6c23d84574e6ca68208a59b7be5c0e17bcfdd4-1744818302
  • apple-domain-verification=3392I1o7n0MGr2xP
  • jamf-site-verification=CN4bHigc1ZnD6ZQX_2c6XQ
Full email verification for mx1.ibm.com

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