Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cossystems.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 22:28:42 UTC · ↺ Refresh
MX Hostnames
- ASPMX2.GOOGLEMAIL.com
- ASPMX3.GOOGLEMAIL.com
- ASPMX5.GOOGLEMAIL.com
- ASPMX.L.GOOGLE.com
- ASPMX4.GOOGLEMAIL.com
- ALT1.ASPMX.L.GOOGLE.com
- ALT2.ASPMX.L.GOOGLE.com
MX Priorities
No priority data.
A / AAAA Records
- 91.201.60.108
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns1.loopia.se
ns2.loopia.se
SPF Record
✓ Strict (-all)
v=spf1 ip4:149.72.177.115 ip4:82.209.158.134 include:2664240.spf02.hubspotemail.net include:_spf.google.com include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms66641698
- SPFv=spf1 ip4:149.72.177.115 ip4:82.209.158.134 include:2664240.spf02.hubspotemail.net include:_spf.google.com include:sendgrid.net -all
- twilio-domain-verification=49d71d355de668efcd74e5d390d83a07
Full email verification for cossystems.com
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