Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
scholesonline.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 05:13:45 UTC · ↺ Refresh
MX Hostnames
- d166244a.ess.barracudanetworks.com
- d166244b.ess.barracudanetworks.com
MX Priorities
- d166244b.ess.barracudanetworks.com: 20
- d166244a.ess.barracudanetworks.com: 10
A / AAAA Records
- 35.212.33.27 ↩ 27.33.212.35.bc.googleusercontent.com
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
ns7.worldnic.com namehost.worldnic.com 126042810 10800 3600 604800 3600
Primary NS (mname)
ns7.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126042810
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns8.worldnic.com
ns7.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.smtp2go.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
10 records- openai-domain-verification=dv-u0AsudZIImQ17RnNhRzfQuEF
- dropbox-domain-verification=ibrkgtwkowlf
- 0sgklks5h17yczgqrmv484kwx5b0yfjb
- MS=ms10074522
- [email protected]
- apple-domain-verification=UyRWyVoYE3KI4ove
- 6bpsf1f3simsivejjc0ve1v0af
- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.smtp2go.com -all
- ciscocidomainverification=6bd00dba7409c2d968e3688284e4c3a1fb3fee9fb55c183c621f5e75ce2e5ea5
- _re4jsskiv3jjvjbo0fvtc1y5ylqzbvn
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 · Customize →
See demo & docs
Deep verification
Full email verification for scholesonline.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits