gross-crott.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gross-crott.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:25:39 UTC · ↺ Refresh

MX Hostnames

  • grosscrott-de01c.mail.protection.outlook.com

MX Priorities

  • grosscrott-de01c.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.175.196.16 (no PTR)
  • 2a00:1c98:60:1030::63a4:2502 (no PTR)

Mail Server IPs

  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.anony.nl hostmaster.gross-crott.de 2100000012 14400 3600 604800 86400
Primary NS (mname)
ns1.anony.nl
Admin Email (rname)
hostmaster@gross-crott.de
Serial
2100000012
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.anony.nl
ns1.anony.nl
ns3.anony.eu

SPF Record

✓ Strict (-all)
v=spf1 a ip4:78.46.122.191 include:spf.protection.outlook.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
  • SPFv=spf1 a ip4:78.46.122.191 include:spf.protection.outlook.com -all
  • MS=ms39330244
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