Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
expertinstitute.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 01:03:43 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- aspmx3.googlemail.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 30
- aspmx2.googlemail.com: 40
- aspmx3.googlemail.com: 50
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 104.26.10.136 (no PTR)
- 172.67.68.150 (no PTR)
- 104.26.11.136
- 2606:4700:20::681a:a88
- 2606:4700:20::ac43:4496
- 2606:4700:20::681a:b88
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.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
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
SOA Record
Raw SOA
jamie.ns.cloudflare.com dns.cloudflare.com 2400400610 10000 2400 604800 1800
Primary NS (mname)
jamie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400400610
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jamie.ns.cloudflare.com
marty.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.salesforce.com include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
8 records- apple-domain-verification=pK2S51fF54TRssU8
- cursor-domain-verification-rtjcw9=9N7X1dOB8AFUpGJnYFhBeKcMa
- facebook-domain-verification=ujh40d1q32ehq1s5t0fo99leh3cw3p
- google-site-verification=4C89Akk7l5zcWn2rxIcs7oqRYkiU1DxFH381lblUBG0
- google-site-verification=Qd5AaL0_kO5akK5hdokTh3IAKDBqJj-iMUXX2tZncVI
- google-site-verification=uf7v5z0Ii-z2TBPshV9thnpBLGWGJ9BzNJbrqW4lbZg
- segment-site-verification=o5hM8mkfpQtoUGPXMfecaWbZFo8qcSll
- SPFv=spf1 include:_spf.google.com include:_spf.salesforce.com include:sendgrid.net ~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 expertinstitute.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits