sp-online.de

Valid Email Server
Domain Lookup › sp-online.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sp-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 15:51:00 UTC · ↺ Refresh

MX Hostnames

  • mx01.sp-online.de
  • mx02.sp-online.de

MX Priorities

  • mx02.sp-online.de: 50
  • mx01.sp-online.de: 0

A / AAAA Records

  • 212.87.138.102 ↩ int-vlan25.stuttgart6.imos.net

Mail Server IPs

  • 88.79.239.195 ↩ mx02.sp-online.de
  • 212.87.142.243 ↩ mx01.sp-online.de

SOA Record

Raw SOA dns.sp-online.de hostmaster.sp-online.de 2026021203 28800 3600 604800 86400
Primary NS (mname)
dns.sp-online.de
Admin Email (rname)
hostmaster@sp-online.de
Serial
2026021203
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns2.sp-online.de
dns.sp-online.de

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf1.sp-online.de include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

6 records
  • e913ea783a3ac7b2ca2995009ef89a56f7b519f7c1424d03a2eb2379f66da23
  • google-site-verification=X17zWbVNaFTMT3u4yM0eZmssM5f10kdKcZRfgk9RQN4
  • MS=ms83856217
  • SPFv=spf1 mx include:_spf1.sp-online.de include:spf.protection.outlook.com -all
  • v=spf2.0/mfrom,pra mx include:_sidf1.sp-online.de include:spf.protection.outlook.com -all
  • MS=ms27446230
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