Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
668mail.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 07:42:50 UTC · ↺ Refresh
MX Hostnames
- mail.668mail.com
MX Priorities
- mail.668mail.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 23.239.2.123 ↩ 23-239-2-123.ip.linodeusercontent.com
SOA Record
Raw SOA
keira.ns.cloudflare.com dns.cloudflare.com 2396614933 10000 2400 604800 1800
Primary NS (mname)
keira.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396614933
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
miles.ns.cloudflare.com
keira.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:23.239.2.123 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +ip4:23.239.2.123 -all
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