Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
qfs.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 13:42:16 UTC · ↺ Refresh
MX Hostnames
- mx-b.secumail.de
- mx-a.secumail.de
MX Priorities
- mx-b.secumail.de: 80
- mx-a.secumail.de: 80
A / AAAA Records
- 212.11.241.228 ↩ wwmatic20.qfs.s-42.net
Mail Server IPs
- 212.11.224.154 ↩ sc04.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
SOA Record
Raw SOA
ns.wor.net admin.wor.de 2026032500 14400 3600 604800 43200
Primary NS (mname)
ns.wor.net
Admin Email (rname)
admin@wor.de
Serial
2026032500
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
ns4.s-42.net
ns2.s-42.net
ns1.s-42.net
ns3.s-42.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.secumail.de ip4:212.11.241.227/32 ip4:212.11.241.228/32 ip4:212.11.241.226/32 include:spf.protection.outlook.com include:spfhard.crsend.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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- SPFv=spf1 include:spf.secumail.de ip4:212.11.241.227/32 ip4:212.11.241.228/32 ip4:212.11.241.226/32 include:spf.protection.outlook.com include:spfhard.crsend.com -all
- MS=ms82647315
Full email verification for qfs.de
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