Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cottsystems.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 22:02:00 UTC · ↺ Refresh
MX Hostnames
- mailstream-east.mxrecord.io
- mailstream-eu1.mxrecord.io
- mailstream-west.mxrecord.io
- mailstream-central.mxrecord.mx
MX Priorities
No priority data.
A / AAAA Records
- 141.193.213.11
- 141.193.213.10
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns26.domaincontrol.com
ns25.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:app.teamsupport.com ip4:209.143.76.139 include:_spf.salesforce.com include:mailgun.org -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100;
~ 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
9 records- openai-domain-verification=dv-VtVBVfhaNvzfzagK9f2CLoFp
- google-site-verification=rB-dmL9T-uICq356gLnbn4pKOYk4fD7AbIwkHpG00LM
- openai-domain-verification=dv-xTgWSswwg465CQziMRbA4zTa
- anthropic-domain-verification-beft4k=bCXE72lYJt6yml0tnA5Qjtcn1
- google-site-verification=QTqTV8Ec4G2dJFPI9JsJqJycB3MfLgPI37z4wnVmmDg
- duo_sso_verification=IxnXejr76TJkVHEFuiJXImea6eSdXK6yIgzE42X2dlqyP2RlsW2zhde3TP575413
- atlassian-domain-verification=DEZNnxMaKWweqhoDOwtaZVzhzkwF8rtCkIhGq/GAymqpZLHlXuANTrIL1WPUIpxJ
- MS=ms48735060
- SPFv=spf1 include:spf.protection.outlook.com include:app.teamsupport.com ip4:209.143.76.139 include:_spf.salesforce.com include:mailgun.org -all
Full email verification for cottsystems.com
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