buildblock.io

Valid Email Server
Domain Lookup › buildblock.io
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
buildblock.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:42:34 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

No priority data.

A / AAAA Records

  • 18.238.80.16
  • 18.238.80.56
  • 18.238.80.11
  • 18.238.80.88

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1890.awsdns-44.co.uk
ns-50.awsdns-06.com
ns-592.awsdns-10.net
ns-1293.awsdns-33.org

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • google-site-verification=1RzWxkmfK7PEbUAfgpl_SHo3jufSNY-kBgqrcgfLk7s
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