slacal.org

Valid Email Server
Domain Lookup › slacal.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
slacal.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 08:19:40 UTC · ↺ Refresh

MX Hostnames

  • d250372b.ess.barracudanetworks.com
  • d250372a.ess.barracudanetworks.com

MX Priorities

  • d250372b.ess.barracudanetworks.com: 50
  • d250372a.ess.barracudanetworks.com: 40

A / AAAA Records

  • 44.244.187.90 ↩ ec2-44-244-187-90.us-west-2.compute.amazonaws.com
  • 44.225.168.223 ↩ ec2-44-225-168-223.us-west-2.compute.amazonaws.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 ns-1466.awsdns-55.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1466.awsdns-55.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-315.awsdns-39.com
ns-804.awsdns-36.net
ns-1466.awsdns-55.org
ns-2032.awsdns-62.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:emailsrvr.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com include:emailsrvr.com include:spf.ess.barracudanetworks.com -all
  • 13jzs0hg4z1180j0yg185vgljztvfr3h
  • _8i6ibchdclw8bat7miq9suad5nk9g48
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