Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
workers.dev
No
None
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-23 05:00:09 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 104.18.13.15 (no PTR)
- 104.18.12.15 (no PTR)
- 2606:4700::6812:d0f (no PTR)
- 2606:4700::6812:c0f (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
clyde.ns.cloudflare.com dns.cloudflare.com 2404998095 10000 2400 604800 1800
Primary NS (mname)
clyde.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404998095
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sofia.ns.cloudflare.com
clyde.ns.cloudflare.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 -all
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