Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spearmintrhino.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 23:21:26 UTC · ↺ Refresh
MX Hostnames
- d283203b.ess.barracudanetworks.com
- d283203a.ess.barracudanetworks.com
MX Priorities
- d283203a.ess.barracudanetworks.com: 5
- d283203b.ess.barracudanetworks.com: 8
A / AAAA Records
- 104.20.30.108 (no PTR)
- 172.66.159.246 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ivy.ns.cloudflare.com dns.cloudflare.com 2399821177 10000 2400 604800 1800
Primary NS (mname)
ivy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399821177
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ivy.ns.cloudflare.com
kip.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:64.60.209.99 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:notifications.issuetrak.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms86166445
- klaviyo-site-verification=URCEXs
- twilio-domain-verification=351d49386560b9444a850e04aff523fc
- SPFv=spf1 mx ip4:64.60.209.99 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:notifications.issuetrak.com ~all
- MS=ms64131974
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 spearmintrhino.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits