cosatto.de

Valid Email Server
Domain Lookup › cosatto.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 16:23:38 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • cosatto-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 23.227.38.65 ↩ myshopify.com
  • 2620:127:f00f:5:: (no PTR)

Mail Server IPs

  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bb-online.net postmaster.cosatto.de 2025110501 14400 7200 3600000 7200
Primary NS (mname)
ns1.bb-online.net
Admin Email (rname)
postmaster@cosatto.de
Serial
2025110501
Refresh
14400s
Retry
7200s
Expire
3600000s
Minimum TTL
7200s

Nameservers (NS)

ns1.bb-online.net
ns2.bb-online.org
ns3.bb-online.info
ns4.bb-online.biz

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ 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

5 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=bh4u5IuMcvZO8X_WChRyH2BPYOGXky9iCyVbRgn9mqE
  • google-site-verification=hCqBPmi2CLG1bHHB9C7IKpLhv7ZoCi5aDAiwGOiLrUw
  • MS=ms50716661
  • klaviyo-site-verification=RzRP4A
Full email verification for cosatto.de

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