casa.dev

Valid Email Server
Domain Lookup › casa.dev

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
casa.dev
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 15:53:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 104.21.22.247
  • 172.67.207.227
  • 2606:4700:3033::6815:16f7
  • 2606:4700:3036::ac43:cfe3

Mail Server IPs

  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA dayana.ns.cloudflare.com dns.cloudflare.com 2400146374 10000 2400 604800 1800
Primary NS (mname)
dayana.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400146374
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dayana.ns.cloudflare.com
keaton.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

3 records
  • SPFv=spf1 include:_spf.google.com -all
  • google-site-verification=E0y9EGzUS0GYkwunW__4o3y4XXq1UJxV9nXGdrse0So
  • google-site-verification=phH0sHd4_kDqDPdl3Do6uUXary-pwkDEQ83zBUmHXog
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