Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kieselmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 14:05:10 UTC · ↺ Refresh
MX Hostnames
- mailhub02.cloud01-netplans.de
- mailhub01.cloud01-netplans.de
MX Priorities
- mailhub02.cloud01-netplans.de: 20
- mailhub01.cloud01-netplans.de: 10
A / AAAA Records
- 81.169.210.111 ↩ vserv2.macrohelp.de
Mail Server IPs
- 185.197.40.69 ↩ mailhub02.cloud01-netplans.de
- 185.197.40.68 ↩ mailhub01.cloud01-netplans.de
SOA Record
Raw SOA
docks13.rzone.de hostmaster.strato-rz.de 2024062362 86400 7200 604800 300
Primary NS (mname)
docks13.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2024062362
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks13.rzone.de
shades20.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail.kieselmann.de ip4:213.23.197.128/28 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;adkim=s;aspf=s;rua=mailto:[email protected];ruf=mailto:[email protected];rf=afrf;ri=86400;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- brevo-code:ff034b8322030f9eb2c2816077395ec8
- MS=ms13859544
- SPFv=spf1 a:mail.kieselmann.de ip4:213.23.197.128/28 include:spf.protection.outlook.com -all
Full email verification for kieselmann.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits