Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
comfortwindows.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 03:06:27 UTC · ↺ Refresh
MX Hostnames
- d152336a.ess.barracudanetworks.com
- d152336b.ess.barracudanetworks.com
MX Priorities
- d152336b.ess.barracudanetworks.com: 20
- d152336a.ess.barracudanetworks.com: 10
A / AAAA Records
- 52.162.107.32 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns0.spectrumdns.net dns.spectruminc.com 2008010161 43200 3600 1209600 180
Primary NS (mname)
ns0.spectrumdns.net
Admin Email (rname)
dns@spectruminc.com
Serial
2008010161
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns1.spectrumdns.net
ns3.spectrumdns.net
ns4.spectrumdns.net
ns0.spectrumdns.net
ns2.spectrumdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:mg.leaptodigital.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ 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: 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
8 records- jamf-site-verification=pvbyzNdSSPJaoOqokLdK_w
- djdhdim6279vonsjrn56jjcfnn.
- MS=ms14206183
- MS=004E37B65C148D8946C29EBCB74C75B036E4DE91
- vlc1iibftbupaukgme2jeqjqd5
- apple-domain-verification=xrqSmHvFqQAKoxHy
- djdhdim6279vonsjrn56jjcfnn
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:mg.leaptodigital.com include:_spf.salesforce.com -all
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