Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ketzin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 14:44:15 UTC · ↺ Refresh
MX Hostnames
- mail.ketzin.de
MX Priorities
- mail.ketzin.de: 100
A / AAAA Records
- 178.63.30.37 ↩ krabappel-ssl.servers.verwaltungsportal.de
- 144.76.55.199 ↩ hoover-ssl.servers.verwaltungsportal.de
- 2a01:4f8:fff2:62::3 ↩ krabappel-ssl.servers.verwaltungsportal.de
- 2a01:4f8:fff3:7b::3 ↩ hoover-ssl.servers.verwaltungsportal.de
Mail Server IPs
- 176.9.238.149 ↩ mail.ketzin.de
- 2a01:4f8:13a:268e::2 ↩ mail.ketzin.de
SOA Record
Raw SOA
ns1.first-ns.de hostmaster.verwaltungsportal.de 2026031801 10800 3600 604800 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
hostmaster@verwaltungsportal.de
Serial
2026031801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.verwaltungsportal.de ip4:10.128.9.41/32 a:mail.ketzin.de ip4:80.148.29.199 ip4:80.148.29.200 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
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
3 records- MS=C7850AAAB2120CAC576ADE1C9BAC94E5369616BC
- brevo-code:e45b82ffab7edb04dedaddaff6f7a983
- SPFv=spf1 a mx include:spf.verwaltungsportal.de ip4:10.128.9.41/32 a:mail.ketzin.de ip4:80.148.29.199 ip4:80.148.29.200 ~all
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