spar-bau.de

Valid Email Server
Domain Lookup › spar-bau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
spar-bau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 09:17:20 UTC · ↺ Refresh

MX Hostnames

  • mx1.sbv-service.de

MX Priorities

  • mx1.sbv-service.de: 10

A / AAAA Records

  • 104.21.39.65 (no PTR)
  • 172.67.143.143 (no PTR)
  • 2606:4700:3033::ac43:8f8f (no PTR)
  • 2606:4700:3037::6815:2741 (no PTR)

Mail Server IPs

  • 217.239.252.242 ↩ mx1.sbv-service.de

SOA Record

Raw SOA merlin.ns.cloudflare.com dns.cloudflare.com 2399578075 10000 2400 604800 1800
Primary NS (mname)
merlin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399578075
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

michelle.ns.cloudflare.com
merlin.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx a:custmail-out.boreus.de ip4:212.86.132.128/25 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1; pct=100; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No 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

4 records
  • cisco-ci-domain-verification=16cbc34c0213a4d1588872fbcee504d1e4a8a7828f8bf45d3440d1fc4e01d8a8
  • SPFv=spf1 mx a:custmail-out.boreus.de ip4:212.86.132.128/25 -all
  • MS=4C35413909FCC1A5B13693B86F4C38A457CE9C3B
  • apple-domain-verification=8aDARZbTu5WGtmZN
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