Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mdwestone.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:59:00 UTC · ↺ Refresh
MX Hostnames
- d236182a.ess.barracudanetworks.com
- d236182b.ess.barracudanetworks.com
MX Priorities
- d236182a.ess.barracudanetworks.com: 0
- d236182b.ess.barracudanetworks.com: 10
A / AAAA Records
- 151.101.2.159 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1-36.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-36.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-36.azure-dns.com
ns2-36.azure-dns.net
ns3-36.azure-dns.org
ns4-36.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.253.164.66 ip4:64.253.164.91 ip4:64.253.164.92 ip4:64.253.164.95 ip4:72.8.213.34 ip4:72.8.213.40 ip4:72.8.213.41 ip4:69.63.106.102 ip4:69.63.116.25 ip4:199.187.114.192 ip4:209.50.28.96 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:sendgrid.net include:243010304.spf08.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- google-site-verification=D-tHlncKlT7_BdDWgNGbDEg4t_036RjHyWTu4CrPwfE
- google-site-verification=R_sYbtLEv3Q_M_qrS1k821HggcBIeid-sXeRr_UoXsU
- vmware-cloud-verification-f9845d56-13b9-4a55-9c73-d7d940b36745
- MS=A1AB14B42F2A16D116A18A486035CFAC8355ED7A
- SPFv=spf1 ip4:64.253.164.66 ip4:64.253.164.91 ip4:64.253.164.92 ip4:64.253.164.95 ip4:72.8.213.34 ip4:72.8.213.40 ip4:72.8.213.41 ip4:69.63.106.102 ip4:69.63.116.25 ip4:199.187.114.192 ip4:209.50.28.96 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:sendgrid.net include:243010304.spf08.hubspotemail.net -all
- 5iq10sSpZlfSfQa/d7UkhWCdxjM2d8VypzfTbwnp9w4AZ5Zp1zwsFVsUzCdfdbdgFWc5YRniC5bvqe3Z4tfe8g==
- BPL=4740639
- apple-domain-verification=fN4MbjJ0NF13Ix4S
- 8cPY3X7xlMZuiwEJFVyELQXRKXl2ka
- Foxit-domain-verification=331017f24586737bc44d88aca5820534
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 mdwestone.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits