Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
excelsm.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:39:09 UTC · ↺ Refresh
MX Hostnames
- d328180a.ess.barracudanetworks.com
- d328180b.ess.barracudanetworks.com
MX Priorities
- d328180a.ess.barracudanetworks.com: 10
- d328180b.ess.barracudanetworks.com: 20
A / AAAA Records
- 104.21.79.235 (no PTR)
- 172.67.150.8 (no PTR)
- 2606:4700:3036::ac43:9608 (no PTR)
- 2606:4700:3037::6815:4feb (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
jeff.ns.cloudflare.com dns.cloudflare.com 2396507205 10000 2400 604800 1800
Primary NS (mname)
jeff.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396507205
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
suzanne.ns.cloudflare.com
jeff.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.salesforce.com ip4:40.70.42.88 include:spf.US.exclaimer.net include:21952921.spf03.hubspotemail.net include:relay.kinstamailservice.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- openai-domain-verification=dv-cZDP67QsO7Z7E1cqoIKpZTKt
- sending_domain1113212=f6097cf2d683e055b06241cc71ef7de11efadfe4eb4c3a223f191f0aab422bac
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.salesforce.com ip4:40.70.42.88 include:spf.US.exclaimer.net include:21952921.spf03.hubspotemail.net include:relay.kinstamailservice.com ~all
- 0ed1fe018ab5b011afcae54cc68c39dea4222e4ee4
- ZOOM_verify_sAQRMXDToqN07pd2Si6ilG
- anthropic-domain-verification-x2yher=GhbLQn1P9GecBTwpRKznPperl
- apple-domain-verification=hpp0lB6rmqfF2jjG
- asv=32982f877c0ad94dcc953378bd34339c
- dropbox-domain-verification=k77pk2phottj
- google-site-verification=vSrLqIDU5BOEhCf3OBkbMZsJ6BLPYS9rbQXYUyShDDo
Full email verification for excelsm.com
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