Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s5a.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 03:23:18 UTC · ↺ Refresh
MX Hostnames
- smtp02.corphbc.com
- smtp01.corphbc.com
MX Priorities
- smtp01.corphbc.com: 10
- smtp02.corphbc.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 172.217.75.26 ↩ yuphxej-in-f26.1e100.net
- 172.253.135.27 ↩ yudfwta-in-f27.1e100.net
SOA Record
Raw SOA
ns-575.awsdns-07.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-575.awsdns-07.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-575.awsdns-07.net
ns-1252.awsdns-28.org
ns-1830.awsdns-36.co.uk
ns-48.awsdns-06.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:65.243.45.124/30 ip4:199.85.105.124/30 ip4:192.237.128.79 ip4:66.216.135.253 ip4:72.0.213.61 include:mailgun.org include:_spf.google.com include:_spf.salesforce.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- atlassian-domain-verification=4B2Yu5YHB8hCcTQ20v9q4xqV8b8bCbw0/Oml4EEKHgDHKwkDnCZLP8ngo39NW0zz
- google-site-verification=-2OGstFvWTtKOxl6wR3rMTSwKu8QXu_p5vIRkXb1h_k
- knowbe4-site-verification=7eff0854788b34276fafe4e3e55f3cf8
- slack-domain-verification=mfel4VRwt0QdsP8vr2uFvBpW4sEMYQSnMCkoxVGd
- SPFv=spf1 ip4:65.243.45.124/30 ip4:199.85.105.124/30 ip4:192.237.128.79 ip4:66.216.135.253 ip4:72.0.213.61 include:mailgun.org include:_spf.google.com include:_spf.salesforce.com include:spf.protection.outlook.com ~all
- 3oSzYpmwzCCDVPr19U+i6RrkDt/sZA9/Fl4WLg+Kh7k972oXqVDSF+ZTmJ2/YxMfFcWwZpBIUOnPfi8pzIwLYQ==
- OPE0031485
- SFMC-HgqhUVb1J5QRKMiV6I97PAOjwSVZu1QJ85t8fmay
- apple-domain-verification=SeSfz8SLXG9aoj51
Full email verification for s5a.com
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