quartett-mobile.de

Valid Email Server
Domain Lookup › quartett-mobile.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
quartett-mobile.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 16:05:54 UTC · ↺ Refresh

MX Hostnames

  • quartettmobile-de02b.mail.protection.outlook.com

MX Priorities

  • quartettmobile-de02b.mail.protection.outlook.com: 1

A / AAAA Records

  • 159.69.247.57 ↩ quartett-mobile.de
  • 2a01:4f8:c010:6ba::1 (no PTR)

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns53.domaincontrol.com dns.jomax.net 2026012004 28800 7200 604800 600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012004
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns54.domaincontrol.com
ns53.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:80.237.132.179 ip6:2a01:488:42:1000:50ed:84b3:ff92:e3f0 ip4:88.99.70.87 include:mail.zendesk.com -all
📊 DNS lookups: 2/10
✓ 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: 216 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ip4:80.237.132.179 ip6:2a01:488:42:1000:50ed:84b3:ff92:e3f0 ip4:88.99.70.87 include:mail.zendesk.com -all
Full email verification for quartett-mobile.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits