Domain Overview
DNS: ✓ just now
Checker: ✓ just now
express.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-01 22:00:36 UTC · ↺ Refresh
MX Hostnames
- mx2.dreamhost.com
- mx1.dreamhost.com
MX Priorities
- mx1.dreamhost.com: 0
- mx2.dreamhost.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 64.90.62.163 ↩ fltr-in1.mail.dreamhost.com
- 64.90.62.164 ↩ fltr-in2.mail.dreamhost.com
SOA Record
Raw SOA
aldo.ns.cloudflare.com dns.cloudflare.com 2405456957 10000 2400 604800 1800
Primary NS (mname)
aldo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405456957
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gene.ns.cloudflare.com
aldo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
- google-site-verification=lXcjvQz-40fxRhRLA5Pb-03cLerMvedF0WyWkvBZg6w
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