synchrodent.de

Valid Email Server
Domain Lookup › synchrodent.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 10:07:17 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • synchrodent-de.mail.protection.outlook.com: 1

A / AAAA Records

  • 192.124.249.54 ↩ cloudproxy10054.sucuri.net

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.febas.de info.febas.de 2026020802 28800 7200 604800 86400
Primary NS (mname)
ns1.febas.de
Admin Email (rname)
info@febas.de
Serial
2026020802
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.febas.de
ns4.febas.de
ns3.febas.de
ns1.febas.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.strold.io include:spf.protection.outlook.com include:spf.sendinblue.com ip4:52.157.149.216 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • MS=ms12435020
  • Sendinblue-code:94e57d8118ca381c8708c806d21816e4
  • SPFv=spf1 a mx include:spf.strold.io include:spf.protection.outlook.com include:spf.sendinblue.com ip4:52.157.149.216 -all
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