Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dallaschamber.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:12:33 UTC · ↺ Refresh
MX Hostnames
- d342568b.ess.barracudanetworks.com
- d342568a.ess.barracudanetworks.com
MX Priorities
- d342568a.ess.barracudanetworks.com: 10
- d342568b.ess.barracudanetworks.com: 20
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (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
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 135 10800 3600 604800 1500
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
135
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1500s
Nameservers (NS)
cmtu.mt.ns.els-gms.att.net
cbru.br.ns.els-gms.att.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.dallaschamber.org include:spf2.dallaschamber.org a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:spf.em.secureserver.net include:_spf.salesforce.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
10 records- e7x51BvW5jWHdiY9CTs3K5MyStUo2Tg7tyi5GIOI33pZSZV0ivbyUGNsor+VnEumDCnwDfanF6XgReeu8oG84g==
- facebook-domain-verification=lsjhzvl83t90tbikbycip5ppkl4ani
- e2ma-verification=jgrab
- duo_sso_verification=B5wYYsE969c7EKtJQ0EUMVueMUVIpmT9PP6Z0Uv4QzAqMfcUeJ4Cmj5rV3nGaOy4
- google-site-verification=-a3ED_55loClY96R1N95i0ZVU_pQx5JGXnzuJLXMbaU
- google-site-verification=btdopUU7Aw0qCjhmTqVI4gCAqyGJI35XygfVs6w3IxA
- atlassian-domain-verification=Tp/Js0turff3/VgozxCe/aVVo3fb2WnXruzC4KqicH2LpbVHDseVFSsVhX8Nc5ja
- SPFv=spf1 include:spf1.dallaschamber.org include:spf2.dallaschamber.org a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:spf.em.secureserver.net include:_spf.salesforce.com include:spf.ess.barracudanetworks.com -all
- 6rrbkmhi26jglmhgdk7ou8rtbs
- MS=ms40298628
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