Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rs.ibm.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 14:19:30 UTC · ↺ Refresh
MX Hostnames
- mx0a-001b2d05.pphosted.com
- mx0b-001b2d05.pphosted.com
MX Priorities
- mx0b-001b2d05.pphosted.com: 10
- mx0a-001b2d05.pphosted.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 205.220.172.48 ↩ mx0b-001b2d05.pphosted.com
- 205.220.161.114 ↩ mx0a-001b2d05.pphosted.com
SOA Record
Raw SOA
dns1.p05.nsone.net hostmaster.nsone.net 1729786463 14400 3600 604800 10800
Primary NS (mname)
dns1.p05.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1729786463
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
dns2.p05.nsone.net
dns3.p05.nsone.net
dns4.p05.nsone.net
dns1.p05.nsone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:148.163.158.5 ip4:148.163.156.1 ip4:195.212.29.128/26 ip4:194.196.100.160/27 ip4:195.75.94.96/27 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- jamf-site-verification=CN4bHigc1ZnD6ZQX_2c6XQ
- atlassian-domain-verification=a32Aj0uoXQRh6QseDFFrlufYlkbeSdok7az3sY0DQNVXpW1Iqj8zlsuXFZgHMojH
- SPFv=spf1 ip4:148.163.158.5 ip4:148.163.156.1 ip4:195.212.29.128/26 ip4:194.196.100.160/27 ip4:195.75.94.96/27 ~all
- figma-domain-verification=597cc1c5948400251db174924d6c23d84574e6ca68208a59b7be5c0e17bcfdd4-1744818302
- apple-domain-verification=puAwnDkEztR1xzDO
Full email verification for rs.ibm.com
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