Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jwswanson.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 13:03:44 UTC · ↺ Refresh
MX Hostnames
- mail.herodata.com
MX Priorities
- mail.herodata.com: 10
A / AAAA Records
- 98.118.152.99 ↩ herodata.com
Mail Server IPs
- 98.118.152.102 ↩ mail.herodata.com
SOA Record
Raw SOA
ns1.herodata.com hostmaster.herodata.com 2025061601 86400 3600 1209600 3600
Primary NS (mname)
ns1.herodata.com
Admin Email (rname)
hostmaster@herodata.com
Serial
2025061601
Refresh
86400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.herodata.com
ns2.herodata.com
SPF Record
✓ Strict (-all)
v=spf1 include:herodata.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:herodata.com -all
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