Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opcion.com.uy
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 00:32:51 UTC · ↺ Refresh
MX Hostnames
- mx1.emailsrvr.com
- mx2.emailsrvr.com
MX Priorities
- mx1.emailsrvr.com: 10
- mx2.emailsrvr.com: 20
A / AAAA Records
- 104.21.35.154 (no PTR)
- 172.67.177.2 (no PTR)
- 2606:4700:3034::6815:239a
- 2606:4700:3033::ac43:b102
Mail Server IPs
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 173.203.187.2 ↩ mx2.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
- 146.20.161.2 ↩ mx2.emailsrvr.com
- 108.166.43.2 ↩ mx2.emailsrvr.com
SOA Record
Raw SOA
matt.ns.cloudflare.com dns.cloudflare.com 2398637878 10000 2400 604800 1800
Primary NS (mname)
matt.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398637878
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
roxy.ns.cloudflare.com
matt.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:emailsrvr.com include:servers.mcsv.net include:spf.smtp2go.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 +a +mx include:emailsrvr.com include:servers.mcsv.net include:spf.smtp2go.com -all
- google-site-verification=mxEfGgyxzX6gktuR7Y1S3nC6qE2jY5WN8xfPfQOzHTg
Full email verification for opcion.com.uy
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