Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smwia.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 03:25:55 UTC · ↺ Refresh
MX Hostnames
- d300342a.ess.barracudanetworks.com
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
- d300342b.ess.barracudanetworks.com
MX Priorities
- d300342a.ess.barracudanetworks.com: 100
- d300342b.ess.barracudanetworks.com: 100
- usb-smtp-inbound-1.mimecast.com: 0
- usb-smtp-inbound-2.mimecast.com: 0
A / AAAA Records
- 104.21.57.26 (no PTR)
- 172.67.158.189 (no PTR)
- 2606:4700:3036::ac43:9ebd (no PTR)
- 2606:4700:3036::6815:391a (no PTR)
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
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
beau.ns.cloudflare.com dns.cloudflare.com 2398289318 10000 2400 604800 1800
Primary NS (mname)
beau.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398289318
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fiona.ns.cloudflare.com
beau.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- 0ed1fe018a1346edf4196a49ceb8c15353be1e81e4
- 4pfkpmesij20se00i5ag27n8lv
- MS=ms12829407
- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
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