Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sps-architekten.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:34:03 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
- 217.160.0.221 ↩ 217-160-0-221.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2cc ↩ 2001-08d8-100f-f000-0000-0000-0000-02cc.elastic-ssl.ui-r.com
Mail Server IPs
- 212.11.224.154 ↩ sc04.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
SOA Record
Raw SOA
ns1042.ui-dns.org hostmaster.schlund.de 2016110899 28800 7200 604800 300
Primary NS (mname)
ns1042.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110899
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1042.ui-dns.org
ns1042.ui-dns.de
ns1042.ui-dns.com
ns1042.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.secumail.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
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
3 records- SPFv=spf1 include:spf.secumail.de -all
- facebook-domain-verification=uhlbytdnibcahqbcvjyistfvavamyw
- MS=6A8507CB4AF01F8EF2E51C5BF68CE1879D2DF12C
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