Domain Overview
DNS: ✓ 4h ago
Checker: ✓ 4h ago
usehorizon.ai
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:00:50 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 172.253.115.27 ↩ bg-in-f27.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1778094090 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1778094090
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:amazonses.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=86400; aspf=r; adkim=s; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
9 records- google-site-verification=hgEI0WX34oV1bswyTEgB97p6r3YFibsHB_tvcJ2sCSg
- google-site-verification=iYVqoIE_jXl4u6-0HRxZxZuvEKfDv2RdSSi3VWJAFVs
- google-site-verification=uUXeMrEYladAU908_s3ZV2oET70oBsqrutzrKBjtABA
- MS=ms53918465
- apple-domain-verification=1Ch0BSvrBiVoYjqx
- apple-domain-verification=KwrDyILJtBBN0Gt1
- SPFv=spf1 include:_spf.google.com include:amazonses.com ~all
- google-site-verification=LJvZc8hWhHCLQPKw0xiUu6XteVcYFesfGOdDQSSHHdg
- google-site-verification=cfcC-o-MjkPXFm9OMPgNbDp6WuKsfhSzg7LA6_xOSVU
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 usehorizon.ai
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits