Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
amcastle.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 03:32:03 UTC · ↺ Refresh
MX Hostnames
- d14601b.ess.barracudanetworks.com
- d14601a.ess.barracudanetworks.com
MX Priorities
- d14601b.ess.barracudanetworks.com: 10
- d14601a.ess.barracudanetworks.com: 0
A / AAAA Records
- 45.56.77.36 ↩ lopez.simnaweb.net
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008010321 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008010321
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns0.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns3.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf.brainier.com include:imagesilo.com a:secmail.ultipro.com ip4:216.194.104.95 ip4:45.62.185.122 ip4:34.202.35.123 ip4:216.82.243.55 ip4:216.82.250.247 ip4:3.238.199.114 ip4:18.232.133.117 ip4:45.62.185.210 ip4:45.62.185.228 ip4:150.195.206.231 ip4:150.195.207.175 ip4:150.195.206.189 ip4:45.62.186.206 ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 mx a include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf.brainier.com include:imagesilo.com a:secmail.ultipro.com ip4:216.194.104.95 ip4:45.62.185.122 ip4:34.202.35.123 ip4:216.82.243.55 ip4:216.82.250.247 ip4:3.238.199.114 ip4:18.232.133.117 ip4:45.62.185.210 ip4:45.62.185.228 ip4:150.195.206.231 ip4:150.195.207.175 ip4:150.195.206.189 ip4:45.62.186.206 ~all
- 4JVogpbiMg2tVZHi942MtA3zQGBdUFJATNrtvCwjVUU5jCZmFUvSPkhEGGFXZBjU+YMAE1XlG7SP201u3mRFKQ==
- MS=ms72474224
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