rssanmateo.com

Valid Email Server
Domain Lookup › rssanmateo.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rssanmateo.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 13:53:20 UTC · ↺ Refresh

MX Hostnames

  • west.smtp.mx.exch091.serverdata.net
  • east.smtp.mx.exch091.serverdata.net

MX Priorities

  • west.smtp.mx.exch091.serverdata.net: 15
  • east.smtp.mx.exch091.serverdata.net: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 199.193.206.123 ↩ west.smtp.mx.exch091.serverdata.net
  • 64.78.24.70 ↩ east.smtp.mx.exch091.serverdata.net

SOA Record

Raw SOA ns2.serverdata.net hostmaster.serverdata.net 2023051901 3600 1800 604800 3600
Primary NS (mname)
ns2.serverdata.net
Admin Email (rname)
hostmaster@serverdata.net
Serial
2023051901
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns5.serverdata.net
ns3.serverdata.net
ns2.serverdata.net
ns4.serverdata.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.serverdata.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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:spf.serverdata.net -all
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