Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fwtools.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 18:12:14 UTC · ↺ Refresh
MX Hostnames
- mail.fwtools.de
MX Priorities
- mail.fwtools.de: 10
A / AAAA Records
- 138.201.174.74 ↩ fwtools.de
- 2a01:4f8:c17:5031::2 (no PTR)
Mail Server IPs
- 138.201.174.74 ↩ fwtools.de
- 2a01:4f8:c17:5031::2 (no PTR)
SOA Record
Raw SOA
ns1.srv.fail noreply.srv.fail 2024020800 14400 1800 604800 3600
Primary NS (mname)
ns1.srv.fail
Admin Email (rname)
noreply@srv.fail
Serial
2024020800
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.srv.fail
ns2.srv.fail
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 -all
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