Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
c21be.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 02:14:36 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx3.googlemail.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
- aspmx2.googlemail.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 66.96.149.1 ↩ 1.149.96.66.static.eigbox.net
Mail Server IPs
- 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
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
SOA Record
Raw SOA
ns1.dotster.com namehost\@worldnic.com 124090611 10800 3600 604800 3600
Primary NS (mname)
ns1.dotster.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124090611
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.dotster.com
ns1.dotster.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:u2199517.wl018.sendgrid.net include:s1.domainkey.u2199517.wl018.sendgrid.net include:s2.domainkey.u2199517.wl018.sendgrid.net include:transaction.moveeasy.com include:56fc48808f.alatus.eoidentity.com include:_spf.google.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
dkim._domainkey
s1._domainkey
s2._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
1 record- SPFv=spf1 include:u2199517.wl018.sendgrid.net include:s1.domainkey.u2199517.wl018.sendgrid.net include:s2.domainkey.u2199517.wl018.sendgrid.net include:transaction.moveeasy.com include:56fc48808f.alatus.eoidentity.com include:_spf.google.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
See demo & docs
Deep verification
Full email verification for c21be.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits