calspas.com

Valid Email Server
Domain Lookup › calspas.com

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
calspas.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 04:59:23 UTC · ↺ Refresh

MX Hostnames

  • mx-01-us-west-2.prod.hydra.sophos.com
  • mx-02-us-west-2.prod.hydra.sophos.com

MX Priorities

  • mx-01-us-west-2.prod.hydra.sophos.com: 10
  • mx-02-us-west-2.prod.hydra.sophos.com: 20

A / AAAA Records

  • 104.20.46.197 (no PTR)
  • 172.66.147.46 (no PTR)
  • 2606:4700:10::6814:2ec5 (no PTR)
  • 2606:4700:10::ac42:932e (no PTR)

Mail Server IPs

  • 44.242.77.215 ↩ ec2-44-242-77-215.us-west-2.compute.amazonaws.com
  • 44.241.19.67 ↩ ec2-44-241-19-67.us-west-2.compute.amazonaws.com
  • 44.253.164.191 ↩ ec2-44-253-164-191.us-west-2.compute.amazonaws.com

SOA Record

Raw SOA bella.ns.cloudflare.com dns.cloudflare.com 2404386533 10000 2400 604800 1800
Primary NS (mname)
bella.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404386533
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kolton.ns.cloudflare.com
bella.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf_uswest2.prod.hydra.sophos.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

✗ 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

4 records
  • sophos-domain-verification=278f51e276f6833e4917d3e5935c0d2438a729d829f621c8afff2434bf0db754
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected]
  • SPFv=spf1 include:_spf_uswest2.prod.hydra.sophos.com ~all
  • MS=142869861550F16A33C72B3E8C4FF907C31ACEDC
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for calspas.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits