quartermedia.de

Valid Email Server
Domain Lookup › quartermedia.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
quartermedia.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 14:46:31 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.175.196.1 (no PTR)
  • 2a00:1c98:60:1010::e89a:4df5 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns-835.awsdns-40.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-835.awsdns-40.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1715.awsdns-22.co.uk
ns-326.awsdns-40.com
ns-835.awsdns-40.net
ns-1109.awsdns-10.org

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com ip4:45.66.84.0/24 ip4:65.109.174.78/32 a:cmk.quartermedia.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • MS=ms79463024
  • SPFv=spf1 mx include:spf.protection.outlook.com ip4:45.66.84.0/24 ip4:65.109.174.78/32 a:cmk.quartermedia.de -all
  • MS=C6C02DDC100C18849EFB4E7DADB1F0F8B28F6DF1
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