3m5.de

Valid Email Server
Domain Lookup › 3m5.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
3m5.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 22:17:26 UTC · ↺ Refresh

MX Hostnames

  • 3m5-de.mail.protection.outlook.com

MX Priorities

  • 3m5-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.201.148.155 ↩ web-3m5.dsinet.de

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns-223.awsdns-27.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-223.awsdns-27.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1005.awsdns-61.net
ns-1068.awsdns-05.org
ns-1741.awsdns-25.co.uk
ns-223.awsdns-27.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:81.201.151.210 ip4:81.201.153.74 a:web.3m5.de a:smtprelay.3m5.de include:spf.protection.outlook.com include:amazonses.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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

11 records
  • slack-domain-verification=RfMAv5aeOctHhxTxw9qgjAqj0uQEAhIPGZlucNlo
  • SPFv=spf1 mx ip4:81.201.151.210 ip4:81.201.153.74 a:web.3m5.de a:smtprelay.3m5.de include:spf.protection.outlook.com include:amazonses.com ~all
  • _d52gxteuyjixjef21r6e94yjvmeveda
  • anthropic-domain-verification-1exh54=hW4lUU5h5RNXePQTqDwSgPCGu
  • apple-domain-verification=v2YNcWIi2A9NYIT3
  • atlassian-domain-verification=E8kkshpafT416c5oG/HQdMnWM6IHCkCZjVRVIBwjtBU8YTlcR4eHDc2/BiPROi0m
  • atlassian-sending-domain-verification=15a476c5-a245-472c-8396-be476197b3d3
  • bw=k3efbU/G6tQQivQ8A4maqBhllBr3mAoz20MM5F5T6fzO
  • have-i-been-pwned-verification=dweb_3la6gjoexrwpxacmxkivftso
  • j71p9055fn5ggb5x62vfcgd50t7xvtj3
  • jetbrains-domain-verification=cvc2bdpr2aodat8a5y89clglj
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