Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
ctrl-s.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 04:36:23 UTC · ↺ Refresh
MX Hostnames
- infomine.ctrl-s.de
MX Priorities
- infomine.ctrl-s.de: 10
A / AAAA Records
- 81.95.4.10 ↩ www.ctrl-s.de
Mail Server IPs
- 212.202.245.90 ↩ infomine.ctrl-s.de
SOA Record
Raw SOA
nsa2.schlundtech.de it.ctrl-s.de 2025120229 43200 7200 1209600 86400
Primary NS (mname)
nsa2.schlundtech.de
Admin Email (rname)
it@ctrl-s.de
Serial
2025120229
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsb2.schlundtech.de
nsc2.schlundtech.de
nsa2.schlundtech.de
nsd2.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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=ms33852986
- SPFv=spf1 mx include:spf.protection.outlook.com -all
Full email verification for ctrl-s.de
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