Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
feldmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 18:08:59 UTC · ↺ Refresh
MX Hostnames
- mx.secumail.de
MX Priorities
- mx.secumail.de: 0
A / AAAA Records
- 202.61.243.207 ↩ v2202302175956220073.ultrasrv.de
Mail Server IPs
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2024061303 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2024061303
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
root-dns.netcup.net
second-dns.netcup.net
third-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- MS=ms86220366
- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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