opt-intelligence.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
opt-intelligence.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 08:11:25 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx4.googlemail.com
  • aspmx.l.google.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx5.googlemail.com
  • aspmx2.googlemail.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • aspmx4.googlemail.com: 10
  • aspmx5.googlemail.com: 10

A / AAAA Records

  • 3.171.139.74 ↩ server-3-171-139-74.jfk52.r.cloudfront.net
  • 3.171.139.41 ↩ server-3-171-139-41.jfk52.r.cloudfront.net
  • 3.171.139.34 ↩ server-3-171-139-34.jfk52.r.cloudfront.net
  • 3.171.139.79 ↩ server-3-171-139-79.jfk52.r.cloudfront.net

Mail Server IPs

  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 64.233.180.27 ↩ on-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net

SOA Record

Raw SOA ns-1843.awsdns-38.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1843.awsdns-38.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-272.awsdns-34.com
ns-733.awsdns-27.net
ns-1391.awsdns-45.org
ns-1843.awsdns-38.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ptr ip4:166.78.225.199 ip4:184.106.35.64 ip4:184.106.35.65 ip4:184.106.35.66 ip4:184.106.35.67 ip4:3.22.69.48 include:_spf.google.com include:salesforce.com include:emailsrvr.com include:spf.happyfox.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 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

2 records
  • SPFv=spf1 a mx ptr ip4:166.78.225.199 ip4:184.106.35.64 ip4:184.106.35.65 ip4:184.106.35.66 ip4:184.106.35.67 ip4:3.22.69.48 include:_spf.google.com include:salesforce.com include:emailsrvr.com include:spf.happyfox.com ~all
  • google-site-verification=dLN2jtBzbVXEa1W0srClqdmJlTGcIDGh9JXT3q52HdM
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