Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dosbros.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 00:57:50 UTC · ↺ Refresh
MX Hostnames
- mx2.emailsrvr.com
- mx1.emailsrvr.com
MX Priorities
- mx1.emailsrvr.com: 10
- mx2.emailsrvr.com: 20
A / AAAA Records
- 104.21.89.180 (no PTR)
- 172.67.145.236 (no PTR)
- 2606:4700:3030::ac43:91ec (no PTR)
- 2606:4700:3033::6815:59b4 (no PTR)
Mail Server IPs
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
SOA Record
Raw SOA
david.ns.cloudflare.com dns.cloudflare.com 2399147243 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399147243
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
david.ns.cloudflare.com
val.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:emailsrvr.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
4 records- brevo-code:afd69447ba9f1d4e7fe13371ebe47883
- google-site-verification=8TQzTdXQUioB-mkjun22HFbNnu-zOU60jO6vzM26DPA
- google-site-verification=sUOHgMlmAbOtqKuGFLTCIwQMVcTKLyg0n0pt0uICgLA
- SPFv=spf1 include:emailsrvr.com ~all
Full email verification for dosbros.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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