speedsun.de

Valid Email Server
Domain Lookup › speedsun.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
speedsun.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 05:39:06 UTC · ↺ Refresh

MX Hostnames

  • speedsun-de.mail.protection.outlook.com

MX Priorities

  • speedsun-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.88.34.14 ↩ host351.alfahosting-server.de

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA cns1.alfahosting.info hostmaster.alfahosting.de 2026040102 28800 7200 604800 86400
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2026040102
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

cns1.alfahosting.info
cns2.alfahosting.info
cns3.alfahosting.info

SPF Record

✓ Strict (-all)
v=spf1 a mx include:secure-mailgate.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=MS=ms73403661
  • SPFv=spf1 a mx include:secure-mailgate.com include:spf.protection.outlook.com -all
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