block-builders.tech

Valid Email Server
Domain Lookup › block-builders.tech

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
block-builders.tech
Yes
✓ Yes
Amazon SES
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 07:34:26 UTC · ↺ Refresh

MX Hostnames

  • inbound-smtp.us-east-1.amazonaws.com

MX Priorities

  • inbound-smtp.us-east-1.amazonaws.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 54.197.5.236 ↩ ec2-54-197-5-236.compute-1.amazonaws.com
  • 54.164.173.191 ↩ ec2-54-164-173-191.compute-1.amazonaws.com
  • 44.210.166.32 ↩ ec2-44-210-166-32.compute-1.amazonaws.com
  • 3.211.210.226 ↩ ec2-3-211-210-226.compute-1.amazonaws.com
  • 44.206.9.87 ↩ ec2-44-206-9-87.compute-1.amazonaws.com

SOA Record

Raw SOA ns3.hostmar.com root.hostmar.com 2026032507 28800 7200 2000000 86400
Primary NS (mname)
ns3.hostmar.com
Admin Email (rname)
root@hostmar.com
Serial
2026032507
Refresh
28800s
Retry
7200s
Expire
2000000s
Minimum TTL
86400s

Nameservers (NS)

ns2.donweb.com
ns1.donweb.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

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

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

No TXT records found.

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