atz.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-06-10 10:32:08 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • atz-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.27 ↩ 217-160-0-27.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::27e ↩ 2001-08d8-100f-f000-0000-0000-0000-027e.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA ns1112.ui-dns.com hostmaster.1und1.com 2017060390 28800 7200 604800 600
Primary NS (mname)
ns1112.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060390
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1112.ui-dns.com
ns1044.ui-dns.biz
ns1050.ui-dns.org
ns1103.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:spf.cleverreach.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • asv=34774fadf5ed565406d908467487031a
  • google-site-verification=RKYIzELwzAYKM_gpwl2QS-jdiyshqQJcqVkQNCGtYQ0
  • sending_domain553632=bd1442d8fb2c906dd3f2262d615cd0eef86d369b055f0527d23efd5589b6f619
  • SPFv=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:spf.cleverreach.com -all
  • facebook-domain-verification=ed7ccafznjgapo41s8sp2efcw496ty
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