back2green.at

Valid Email Server
Domain Lookup › back2green.at

Domain Overview

DNS: ✓ 24h ago Checker: ✓ 24h ago
back2green.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-10 14:15:19 UTC · ↺ Refresh

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MX Hostnames

  • back2green-at.mail.protection.outlook.com

MX Priorities

  • back2green-at.mail.protection.outlook.com: 10

A / AAAA Records

  • 188.40.26.238 ↩ dedi6225.your-server.de
  • 2a01:4f8:d0a:1376::2 ↩ dedi6225.your-server.de

Mail Server IPs

  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 52.101.103.137 ↩ mail-miypr02cu00101.inbound.protection.outlook.com
  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::c ↩ mail-matpr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.world4you.at hostmaster.world4you.com 2025031703 10800 3600 604800 3600
Primary NS (mname)
ns1.world4you.at
Admin Email (rname)
hostmaster@world4you.com
Serial
2025031703
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.world4you.at
ns1.world4you.at

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ 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

2 records
  • MS=ms61712338
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
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