Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ais-engineering.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 21:08:56 UTC · ↺ Refresh
MX Hostnames
- picard.rhein-consulting.de
MX Priorities
- picard.rhein-consulting.de: 10
A / AAAA Records
- 217.154.163.226 ↩ idol.rhein-consulting.de
Mail Server IPs
- 217.154.237.48 ↩ picard.rhein-consulting.de
SOA Record
Raw SOA
ns1a.dodns.net hostmaster.ais-engineering.de 2024071609 7200 900 3600000 86400
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@ais-engineering.de
Serial
2024071609
Refresh
7200s
Retry
900s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1a.dodns.net
ns2a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.rhein-consulting.de a mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 include:_spf.rhein-consulting.de a mx -all
Full email verification for ais-engineering.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits