Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
txtoproofing.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-04 07:03:52 UTC · ↺ Refresh
MX Hostnames
- mx.txtoproofing.com
MX Priorities
- mx.txtoproofing.com: 30
A / AAAA Records
- 166.117.246.71 ↩ a84af339cc4fef33f.awsglobalaccelerator.com
- 75.2.29.147 ↩ a84af339cc4fef33f.awsglobalaccelerator.com
Mail Server IPs
- 205.147.88.159 (no PTR)
SOA Record
Raw SOA
ns-407.awsdns-50.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-407.awsdns-50.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.landingsite.ai
ns4.landingsite.ai
ns1.landingsite.ai
ns2.landingsite.ai
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all
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 · Customize →
See demo & docs
Deep verification
Full email verification for txtoproofing.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits