circulo.de

Valid Email Server
Domain Lookup › circulo.de

Domain Overview

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

Checked via [email protected] · 2026-03-20 10:26:28 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 37.202.0.229 ↩ r20038.agenturserver.it

Mail Server IPs

  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.agenturserver.de support.mittwald.de 1734795640 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1734795640
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns01.agenturserver.co
ns01.agenturserver.it
ns01.agenturserver.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:agenturserver.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • MS=ms99683665
  • google-site-verification=A6JFO064WEZjF1n4EQSMg7bQ1J4VlIA6wmTRxMirQjY
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:agenturserver.de -all
  • google-site-verification=rwP04RE783AQE5CwvfuhvwCZukmkCszOftv-rGKyikc
Full email verification for circulo.de

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