Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isp-m.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 22:31:33 UTC · ↺ Refresh
MX Hostnames
- mx-b.secumail.de
- mx-a.secumail.de
MX Priorities
- mx-b.secumail.de: 10
- mx-a.secumail.de: 10
A / AAAA Records
- 148.251.250.236 ↩ static.236.250.251.148.clients.your-server.de
Mail Server IPs
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
SOA Record
Raw SOA
ns1059.ui-dns.com hostmaster.schlund.de 2016110218 28800 7200 604800 300
Primary NS (mname)
ns1059.ui-dns.com
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110218
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1059.ui-dns.com
ns1059.ui-dns.org
ns1059.ui-dns.de
ns1059.ui-dns.biz
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
No TXT records found.
Full email verification for isp-m.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits