otopront.de

Valid Email Server
Domain Lookup › otopront.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
otopront.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 16:09:11 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • otopront-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 213.133.107.96 ↩ www544.your-server.de
  • 2a01:4f8:d0a:281f::2 ↩ www544.your-server.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns.inwx.de hostmaster.inwx.de 2026022701 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2026022701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.inwx.de
ns2.inwx.de
ns3.inwx.eu

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mail.spamgo.de ip4:213.133.107.96 ip6:2a01:4f8:d0a:281f::2 ip4:116.202.90.24 ip4:49.12.162.229 -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
  • SPFv=spf1 include:spf.protection.outlook.com include:mail.spamgo.de ip4:213.133.107.96 ip6:2a01:4f8:d0a:281f::2 ip4:116.202.90.24 ip4:49.12.162.229 -all
  • MS=ms67268504
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