Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flex.es
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 20:50:31 UTC · ↺ Refresh
MX Hostnames
- d303431.a.ess.de.barracudanetworks.com
- d303431.b.ess.de.barracudanetworks.com
MX Priorities
- d303431.b.ess.de.barracudanetworks.com: 9
- d303431.a.ess.de.barracudanetworks.com: 7
A / AAAA Records
- 151.101.1.124 (no PTR)
Mail Server IPs
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.flex_es._d.easydmarc.pro ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=33;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 33% of failing messages only
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
8 records- SPFv=spf1 include:_spf.flex_es._d.easydmarc.pro ~all
- _globalsign-domain-verification=cgqCPuTwwnG_srLY2xe08Gyh8j2OygeNO0fywJwNPX
- _globalsign-domain-verification=TqwZgqVc27hwAi0zWL13b58RYnXCrob3Km94mCMlef
- apple-domain-verification=6PBoMR6qwl79ftrL
- globalsign-domain-verification=IWHxKl6eaE69TTCeMB-2PvH2S-1IX7xE-j68DbWYNk
- _globalsign-domain-verification=4gs35DWvwJGKfY05Q7AfMq3ig4tUnK0qqCYOnC-CXj
- apple-domain-verification=xrxb3LV1uHwypVdo
- _globalsign-domain-verification=sRJp2_4GjBt5PZeyCrHSMiWdcNqEBS8U7y891aMRbi
Full email verification for flex.es
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