smartoptimo.de

Valid Email Server
Domain Lookup › smartoptimo.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 02:58:56 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • smartoptimo-de.mail.protection.outlook.com: 90

A / AAAA Records

  • 185.166.20.21 ↩ r31253.agenturserver.it

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA ns1a.dodns.net hostmaster.smartoptimo.de 2024070823 86400 10800 3600000 172800
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@smartoptimo.de
Serial
2024070823
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
172800s

Nameservers (NS)

ns1a.dodns.net
ns2a.dodns.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:91.194.230.0/24 include:spf.protection.outlook.com include:_spf.rexx-systems.com include:146051980.spf08.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • bw=lBQAlbvt5RaaGB5NXZAFRbvLun0ajaUIa3Je5WVy1acW
  • SPFv=spf1 a mx ip4:91.194.230.0/24 include:spf.protection.outlook.com include:_spf.rexx-systems.com include:146051980.spf08.hubspotemail.net -all
  • swisssign-check=P-io-qW1KCDEMybuzh_akGKbEo8
  • swisssign-check=39O4QhDEYGXQkqK2iIgOo0GIX4g
  • ms-domain-verification=fc194568-fe9d-4d05-a7f9-83e8d5250309
  • swisssign-check=rsjGthVZFWHWFzjjttZzu3Nvi6o
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