Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
desarrollosunit.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 20:52:55 UTC · ↺ Refresh
MX Hostnames
- mx2.mailchannels.net
- mx1.mailchannels.net
MX Priorities
- mx1.mailchannels.net: 1
- mx2.mailchannels.net: 5
A / AAAA Records
- 172.67.135.117 (no PTR)
- 104.21.6.236 (no PTR)
- 2606:4700:3033::6815:6ec (no PTR)
- 2606:4700:3030::ac43:8775 (no PTR)
Mail Server IPs
- 54.69.1.140 ↩ ec2-54-69-1-140.us-west-2.compute.amazonaws.com
- 18.236.29.166 ↩ ec2-18-236-29-166.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
blair.ns.cloudflare.com dns.cloudflare.com 2397705484 10000 2400 604800 1800
Primary NS (mname)
blair.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397705484
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blair.ns.cloudflare.com
pedro.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- google-site-verification=MR8UvMxcY6r-9zCDbN7wblneQYOhjEWIa92kLg2Wt1E
- SPFv=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
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