avac.us

Valid Email Server
Domain Lookup › avac.us

Domain Overview

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

Checked via [email protected] · 2026-03-18 03:13:06 UTC · ↺ Refresh

MX Hostnames

  • d284250a.ess.barracudanetworks.com
  • d284250b.ess.barracudanetworks.com

MX Priorities

  • d284250b.ess.barracudanetworks.com: 20
  • d284250a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 104.18.11.79 (no PTR)

Mail Server IPs

  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns1.membersfirstdns.net dns.membersfirst.com 325 7200 900 1209600 86400
Primary NS (mname)
ns1.membersfirstdns.net
Admin Email (rname)
dns@membersfirst.com
Serial
325
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.membersfirstdns.net
ns2.membersfirstdns.net
ns3.membersfirstdns.net
ns4.membersfirstdns.net

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.membersfirst.com ip4:216.218.212.137/32 ip4:216.218.212.250/32 ip4:131.226.219.37/32 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

4 records
  • MS=ms90932123
  • ca3-a8062e0a79cd49d5946cf1d8df4c2c60
  • google-site-verification=MNTkxFDz1JB0acuUZ8NpVUqO06DgDk20tvWdwDg7qZ0
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.membersfirst.com ip4:216.218.212.137/32 ip4:216.218.212.250/32 ip4:131.226.219.37/32 -all
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