Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
scheffer-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:35:21 UTC · ↺ Refresh
MX Hostnames
- mail2.scheffer-online.de
- mail1.scheffer-online.de
MX Priorities
- mail1.scheffer-online.de: 10
- mail2.scheffer-online.de: 20
A / AAAA Records
- 116.203.237.67 ↩ srvnbg1.scheffer-online.de
- 2a01:4f8:c2c:6855::1 ↩ srvnbg1.scheffer-online.de
Mail Server IPs
- 5.9.73.226 ↩ srv30.scheffer-online.de
- 2a01:4f8:161:83e7::2 (no PTR)
- 195.201.31.21 ↩ mail.scheffer-online.de
- 2a01:4f8:c2c:7d29::1 ↩ mail.scheffer-online.de
SOA Record
Raw SOA
ns1.scheffer-online.de hostmaster.scheffer-online.de 2026032313 3600 1200 1209600 3600
Primary NS (mname)
ns1.scheffer-online.de
Admin Email (rname)
hostmaster@scheffer-online.de
Serial
2026032313
Refresh
3600s
Retry
1200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.scheffer-online.de
ns1.scheffer-online.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:srv22.scheffer-online.de a:srv30.scheffer-online.de ip4:195.201.31.21/32 ip4:5.9.73.226/32 ip6:2a01:4f8:c2c:7d29::1/64 ip6:2a01:4f8:161:83e7::2/64 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];pct=100;ruf=mailto:[email protected];fo=1;aspf=r;adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 mx a:srv22.scheffer-online.de a:srv30.scheffer-online.de ip4:195.201.31.21/32 ip4:5.9.73.226/32 ip6:2a01:4f8:c2c:7d29::1/64 ip6:2a01:4f8:161:83e7::2/64 -all
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