Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
feldtmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 10:38:39 UTC · ↺ Refresh
MX Hostnames
- mail.feldtmann.de
- mail2.feldtmann.de
MX Priorities
- mail.feldtmann.de: 20
- mail2.feldtmann.de: 10
A / AAAA Records
- 104.26.0.181 (no PTR)
- 104.26.1.181 (no PTR)
- 172.67.68.94 (no PTR)
- 2606:4700:20::ac43:445e (no PTR)
- 2606:4700:20::681a:1b5 (no PTR)
- 2606:4700:20::681a:b5 (no PTR)
Mail Server IPs
- 185.44.4.150 ↩ mail.feldtmann.de
- 185.44.4.151 ↩ mail2.feldtmann.de
SOA Record
Raw SOA
paislee.ns.cloudflare.com dns.cloudflare.com 2397044292 10000 2400 604800 1800
Primary NS (mname)
paislee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397044292
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
pranab.ns.cloudflare.com
paislee.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:178.250.12.40 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:178.250.12.40 -all
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