thunderdevelopment.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
thunderdevelopment.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 22:48:38 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 198.15.64.210

Mail Server IPs

  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 54.164.173.191 ↩ ec2-54-164-173-191.compute-1.amazonaws.com
  • 3.211.210.226
  • 54.197.5.236
  • 44.210.166.32
  • 44.206.9.87

SOA Record

Raw SOA ns1.securedservers.com root.e32186.securedservers.com 2026021903 3600 1800 1209600 86400
Primary NS (mname)
ns1.securedservers.com
Admin Email (rname)
root@e32186.securedservers.com
Serial
2026021903
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.securedservers.com
ns2.securedservers.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:amazonses.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

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

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

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

All TXT Records

3 records
  • SPFv=spf1 include:amazonses.com ~all
  • google-site-verification=FdTCNH3RseorwG4bvYl1Siv-UJur5lLq5iD-Yo2Wobc
  • SPFv=spf1 ip4:198.15.64.210 +a +mx ~all
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