Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sheltie.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 17:58:19 UTC · ↺ Refresh
MX Hostnames
- mail.sheltie.de
MX Priorities
- mail.sheltie.de: 10
A / AAAA Records
- 178.254.10.74 ↩ sh-70.1blu.de
Mail Server IPs
- 178.254.4.101 ↩ ms-10.1blu.de
SOA Record
Raw SOA
ns01.1blu.de hostmaster.1blu.de 2026032402 43200 5400 604800 14400
Primary NS (mname)
ns01.1blu.de
Admin Email (rname)
hostmaster@1blu.de
Serial
2026032402
Refresh
43200s
Retry
5400s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
ns01.1blu.de
ns02.1blu.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.1blu.de +mx +a -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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 include:_spf.1blu.de +mx +a -all
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