Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
ncsc.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-07 15:35:18 UTC · ↺ Refresh
MX Hostnames
- mail.ncsc.de
MX Priorities
- mail.ncsc.de: 10
A / AAAA Records
- 3.67.114.56 ↩ mail.ncsc.de
- 3.68.139.190 ↩ mail.ncsc.de
Mail Server IPs
- 3.68.139.190 ↩ mail.ncsc.de
- 3.67.114.56 ↩ mail.ncsc.de
SOA Record
Raw SOA
ns3.ncsc.de hostmaster.ncsc.de 2025042237 3600 1800 1209600 3600
Primary NS (mname)
ns3.ncsc.de
Admin Email (rname)
hostmaster@ncsc.de
Serial
2025042237
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.ncsc.de
ns4.ncsc.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;fo=1:d:s;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- abuseipdb-verification=QByKTvSa
- SPFv=spf1 mx -all
Full email verification for ncsc.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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