Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sappbros.net
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:35:28 UTC · ↺ Refresh
MX Hostnames
- d101795b.ess.barracudanetworks.com
- d101795a.ess.barracudanetworks.com
MX Priorities
- d101795b.ess.barracudanetworks.com: 20
- d101795a.ess.barracudanetworks.com: 10
A / AAAA Records
- 35.209.234.191 ↩ 191.234.209.35.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
malcolm.ns.cloudflare.com dns.cloudflare.com 2399134212 10000 2400 604800 1800
Primary NS (mname)
malcolm.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399134212
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
romina.ns.cloudflare.com
malcolm.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:spf.protection.outlook.com include:mailgun.org include:_spf.activedemand.com ip4:98.142.83.226/27 ip4:74.112.208.34 ip4:66.37.239.138/30 ip4:128.136.148.244 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
8 records- amazon-business-verification=301395a06bbb18a2a182d08151e6b59dbab212e591116aa1a3f643b284876a80
- apple-domain-verification=llZgr7Xw7SFRw4mq
- bda9d35f9c11e5a221b9c01ff50d5bef
- mgverify=9ddd26c25ad7e8022af3e1c06fd7a62958c7424ada2482135a24a8599a1fc5e8
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:spf.protection.outlook.com include:mailgun.org include:_spf.activedemand.com ip4:98.142.83.226/27 ip4:74.112.208.34 ip4:66.37.239.138/30 ip4:128.136.148.244 ~all
- MS=6C8A1C68FD379CC998D7BD92CF684E915750BB32
- ZOOM_verify_6K1KpfSG71BlPvW8tuX8gt
- _wvlzfbim18eiq88vwdnkf6mrp7lzu7g
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 sappbros.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits