Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swltc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:23:30 UTC · ↺ Refresh
MX Hostnames
- d202633a.ess.barracudanetworks.com
- d202633b.ess.barracudanetworks.com
MX Priorities
- d202633b.ess.barracudanetworks.com: 20
- d202633a.ess.barracudanetworks.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns-1175.awsdns-18.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1175.awsdns-18.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-723.awsdns-26.net
ns-1175.awsdns-18.org
ns-1743.awsdns-25.co.uk
ns-400.awsdns-50.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.pioneerit.com include:_spf.intacct.com include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
6 records- MS=ms95578228
- apple-domain-verification=j5RjV5X2tv5FNW4a
- facebook-domain-verification=yaq39kwgattnn7xwgep8pt482ruo2z
- intacct-esk=17563F92930195F9E0639A068D0A84CB
- ms=ms62605457
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.pioneerit.com include:_spf.intacct.com include:sendgrid.net -all
Full email verification for swltc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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