Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clearfunction.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 06:55:09 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 104.21.22.201
- 172.67.206.232
- 2606:4700:3034::ac43:cee8
- 2606:4700:3033::6815:16c9
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
dane.ns.cloudflare.com dns.cloudflare.com 2399631360 10000 2400 604800 1800
Primary NS (mname)
dane.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399631360
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nina.ns.cloudflare.com
dane.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:servers.mcsv.net include:spf.mtasv.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:19985468.spf03.hubspotemail.net include:sendgrid.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
google._domainkey
k1._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- atlassian-sending-domain-verification=5b20444a-5b93-4abc-a942-f27ab7ae85a7
- google-site-verification=fscqVgR1CXC6S3HuY1Y9W_a-KLAKl4U2UNMm5vGXVNk
- google-site-verification=sYSGCIWmd1SHVDZlr8fO-Kjtfaqu8_z_l7wn5FBcfsM
- slack-domain-verification=5oUl7I98cp8RhjJb5WayyJ8UNmBrNq5GSFoUhLJE
- SPFv=spf1 include:_spf.google.com include:servers.mcsv.net include:spf.mtasv.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:19985468.spf03.hubspotemail.net include:sendgrid.net ~all
- MS=D29E840892963C1A01376DFF80FA00989A439B0A
- apple-domain-verification=5d1dVWrbayIICFoa
- atlassian-domain-verification=/M1fNQhx4fED6vjJPZn9awzRZDzhYZj1VW1TkQcvo4a1cuQa21qWuPFRB0KRpCBO
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 clearfunction.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits