opal.dev

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
opal.dev
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 21:55:27 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

No priority data.

A / AAAA Records

  • 31.43.161.6
  • 31.43.160.6

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

benedict.ns.cloudflare.com
hera.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com include:45127704.spf10.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=reject; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._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

12 records
  • google-site-verification=BADBiPJx28KD2KeP33YPhxwTd_-8uSVXA98H5M-7Oq4
  • google-site-verification=cPQAQYUt_2T_G3YynWxtWlYipYA2qXJZOSGXKo6Gxso
  • google-site-verification=oMubD2UnqFHA527pvYeCL-j0YIUlm5EZzvBZeAHTMpc
  • SPFv=spf1 include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com include:45127704.spf10.hubspotemail.net ~all
  • zapier-domain-verification-challenge=9886f29b-a094-49cf-9cb1-d0c05da89467
  • 0CE13145B8
  • MS=ms42172368
  • anthropic-domain-verification-3k9k6r=Tz1LlajKcFuBXDygN4FQwZ8bD
  • cloudflare_dashboard_sso=3fff654649bff26b062048008bd98334
  • cursor-domain-verification-5ehsh3=7HGnU6OEyAgOfoq2COvtbFGKJ
  • docusign=9ef72aac-bc10-450e-8f42-b8bae5a1a715
  • figma-domain-verification=8e43fd3f005ea5861f86d85fd8f1a0ae261055fbfad8bef7e4dc10d34da0f152-1773083649
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