drk-berlin.de

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
drk-berlin.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 12:53:54 UTC · ↺ Refresh

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MX Hostnames

  • drkberlin-de0i.mail.protection.outlook.com

MX Priorities

  • drkberlin-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 80.82.221.203 ↩ cms05.dml.dt-internet.de

Mail Server IPs

  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA dns01.dt-internet.de dnsadmin.dt-internet.de 3763925816 10800 3600 604800 3600
Primary NS (mname)
dns01.dt-internet.de
Admin Email (rname)
dnsadmin@dt-internet.de
Serial
3763925816
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns01.dt-internet.de
dns05.d-t-internet.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:212.87.44.51 ip4:90.187.51.201 ip4:212.144.20.250 ip4:52.157.149.216 ip4:212.87.44.51 include:_spf.mlsend.com include:ihr-webspace.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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

9 records
  • bw=0EISfwLw6YuU6IxwAFO0rrIpt4VQuox6LtzWSvtPrp80
  • MS=15CDD0CA5D730118FB832AD864BEBB7B4AFEF1F4
  • MS=ms63462808
  • apple-domain-verification=LSOm3D92IwME3l71
  • jamf-site-verification=I1bpnHReA1j-KD_B3XAPQg
  • atlassian-domain-verification=gBiMBaLrVA8WPu5SZJTsWyk8SYPI7Fgfav2KwbUriTkrtlRDU7PbzMxSd3l07jGw
  • SPFv=spf1 a mx ip4:212.87.44.51 ip4:90.187.51.201 ip4:212.144.20.250 ip4:52.157.149.216 ip4:212.87.44.51 include:_spf.mlsend.com include:ihr-webspace.de include:spf.protection.outlook.com -all
  • asv=ae45c0009630888ad529bec33b896143
  • atlassian-sending-domain-verification=d8a314cb-37e2-4ff4-aed9-ca5b483cbbb4
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