selfio.de

Valid Email Server

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
selfio.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-06 15:22:40 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • selfio-de.mail.protection.outlook.com: 100

A / AAAA Records

  • 217.24.210.178 ↩ haproxy.devops-hamburg.com

Mail Server IPs

  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.3u.net ops.3u.net 2026033003 21600 3600 604800 180
Primary NS (mname)
ns1.3u.net
Admin Email (rname)
ops@3u.net
Serial
2026033003
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
180s

Nameservers (NS)

ns1.3u.net
ns2.3u.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.zimpel.de include:_spf.sendnode.com include:spf-de.emailsignatures365.com mx a:smtp.3u.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • facebook-domain-verification=s0sn26jpwps3q9mgw5fjenkvqwloq2
  • MS=ms12556658
  • google-site-verification=BCo1LRD6nhIudHSSj3aRi7YyOJk8Drur5Aro3zfnst0
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.zimpel.de include:_spf.sendnode.com include:spf-de.emailsignatures365.com mx a:smtp.3u.net -all
  • google-site-verification=Ve7QSnp111j7tx_s-3xyUz7HVNNmJ6t5GdO3EHdfong
  • google-site-verification=9GUhYVwK7r2nh02R6lIPyK6gZOMNVShz52oSkVsys20
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