Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
builderbacked.com
Yes
โ Yes
Google
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-05-21 10:04:18 UTC ยท โบ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
No priority data.
A / AAAA Records
- 172.67.140.52
- 104.21.46.148
- 2606:4700:3030::ac43:8c34
- 2606:4700:3037::6815:2e94
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
jessica.ns.cloudflare.com
peter.ns.cloudflare.com
SPF Record
โ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
๐ DNS lookups: 1/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 3 found
google._domainkey
s1._domainkey
s2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=DDD7j9M_MSIil0gMhsDR0jXlbtkPYg_RSrbUhcV8fo0
- tpvu6p0m1hdo18l1ksct0ko26d
- SPFv=spf1 include:_spf.google.com ~all
- yahoo-verification-key=TD7wcDYSHDVSA14SoxPpwg7efDbuQJ6NgFBtU2/c34Y=
- google-site-verification=BwfDiBePolFvUOH_yJr7w5jubwUgvSUB76vIDPDfXtc
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for builderbacked.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits