Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mahler.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 15:54:29 UTC · ↺ Refresh
MX Hostnames
- mail1.mailfilter.de
- mail2.mailfilter.de
MX Priorities
- mail2.mailfilter.de: 20
- mail1.mailfilter.de: 10
A / AAAA Records
- 81.18.104.2 ↩ loadbalancer.dokumenta.fw
Mail Server IPs
- 62.204.160.93 ↩ mail1.mailfilter.de
SOA Record
Raw SOA
ns1063.ui-dns.com hostmaster.1und1.de 2016120885 28800 7200 604800 300
Primary NS (mname)
ns1063.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016120885
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1063.ui-dns.com
ns1063.ui-dns.org
ns1063.ui-dns.de
ns1063.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com a:mail1.mailfilter.de a:mail2.mailfilter.de ip4:81.18.104.20 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 mx a include:spf.protection.outlook.com a:mail1.mailfilter.de a:mail2.mailfilter.de ip4:81.18.104.20 -all
- google-site-verification=MmhPHNjWJH41FmqAujs8PMrAZYFnsgwIh3CahKN71b0
- atlassian-domain-verification=9u77xpMi7F88c/5UrT7qA8D1bJiMvo028PI2CSgZUtcchAKHT7k5WVmTW1lbTAQJ
- 1XsehS0mc7aL640OnWcAKzwHhe+QYmpEfd8NE8DavK43aG+Md4rI9H/bDCUp7IlMGTBrKwf+GN6MwQAovlkPmA==
- knowbe4-site-verification=fd84db026d16134f09933e18286ce91a
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