Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rushmoreblueprint.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 07:41:23 UTC · ↺ Refresh
MX Hostnames
- mx4.mxfilter.net
- mx1.mxfilter.net
- mx2.mxfilter.net
- mx3.mxfilter.net
MX Priorities
- mx3.mxfilter.net: 20
- mx4.mxfilter.net: 20
- mx1.mxfilter.net: 10
- mx2.mxfilter.net: 10
A / AAAA Records
- 104.21.62.6 (no PTR)
- 172.67.217.124 (no PTR)
- 2606:4700:3034::6815:3e06 (no PTR)
- 2606:4700:3032::ac43:d97c (no PTR)
Mail Server IPs
- 23.147.8.11 ↩ mx1.mxfilter.net
- 162.244.95.10 ↩ mx2.mxfilter.net
SOA Record
Raw SOA
tom.ns.cloudflare.com dns.cloudflare.com 2399017451 10000 2400 604800 1800
Primary NS (mname)
tom.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399017451
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zoe.ns.cloudflare.com
tom.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.workspace.org -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
google._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
2 records- SPFv=spf1 include:_spf.google.com include:_spf.workspace.org -all
- google-site-verification=kll80RzXRCY7r2AH8sPmiC_nm_mk59RWUMx5j91CR9s
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 rushmoreblueprint.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits