williamskastner.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
williamskastner.com
Yes
โœ“ Yes
Barracuda
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-19 02:11:54 UTC ยท โ†บ Refresh

MX Hostnames

  • d228299a.ess.barracudanetworks.com
  • d228299b.ess.barracudanetworks.com

MX Priorities

  • d228299a.ess.barracudanetworks.com: 10
  • d228299b.ess.barracudanetworks.com: 20

A / AAAA Records

  • 192.124.249.102 โ†ฉ cloudproxy10102.sucuri.net

Mail Server IPs

  • 209.222.82.252 โ†ฉ mail.ess.barracuda.com
  • 209.222.82.253 โ†ฉ mail.ess.barracuda.com
  • 209.222.82.255 โ†ฉ mail.ess.barracuda.com

SOA Record

Raw SOA dns1.easydns.com zone.easydns.com 1771046405 43200 10800 1209600 300
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1771046405
Refresh
43200s
Retry
10800s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:icpbounce.com include:mailgun.org include:spf.ess.barracudanetworks.com include:spf.us.signature365.net ip4:67.137.45.165 ip4:50.230.253.106 -all
๐Ÿ“Š DNS lookups: 5/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • _lt1o79hqxhu4t1ieion72d43avqf83q
  • google-site-verification=Mf8HKO-pC8MUutoX-d4uj89iRBUAqAkQ6b2XFoYR_eI
  • SPFv=spf1 include:spf.protection.outlook.com include:icpbounce.com include:mailgun.org include:spf.ess.barracudanetworks.com include:spf.us.signature365.net ip4:67.137.45.165 ip4:50.230.253.106 -all
Full email verification for williamskastner.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits