contact.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-25 02:42:12 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 193.203.2.252 ↩ 193-203-2-252.customer.lwlaccess.net

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:193.203.2.253 ip4:193.203.2.254 ip4:82.198.197.103 ip4:82.198.197.247 ip4:193.203.2.251 ip4:193.203.2.244 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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • V1GDaa8M9TaM3PG6XbyPkFDIHpqOJYfGnTRjZqnfMo9+AVsj+6AnJJ2suDQznE5yT19kDUnGpzGqf7o27O848w==
  • MS=ms58181657
  • SPFv=spf1 mx ip4:193.203.2.253 ip4:193.203.2.254 ip4:82.198.197.103 ip4:82.198.197.247 ip4:193.203.2.251 ip4:193.203.2.244 include:spf.protection.outlook.com -all
  • google-site-verification=qeAQjAQ7FeZy0cQUYAuqPw3FA3WLjRCMo05C3rQiWJ0
  • miro-verification=66aaad61c65362ab494a75d2e6f512881e5ad187
Full email verification for contact.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits