Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mank.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 16:27:20 UTC · ↺ Refresh
MX Hostnames
- mx01.mank.de
MX Priorities
- mx01.mank.de: 10
A / AAAA Records
- 49.12.53.106 ↩ srv01.paps.dev
- 2a01:4f8:2210:1ed0::2 (no PTR)
Mail Server IPs
- 212.7.183.46 ↩ mx01.mank.de
SOA Record
Raw SOA
ns-a.ktk.de hostmaster.noc.ktk.de 2019052154 3600 900 604800 3600
Primary NS (mname)
ns-a.ktk.de
Admin Email (rname)
hostmaster@noc.ktk.de
Serial
2019052154
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns-a.ktk.de
ns-c.ktk.de
ns-b.ktk.io
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:212.7.183.46 include:spf.crsend.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; adkim=r; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 mx ip4:212.7.183.46 include:spf.crsend.com -all
- MS=ms16633253
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