at-fire.de

Valid Email Server
Domain Lookup › at-fire.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 07:46:04 UTC · ↺ Refresh

MX Hostnames

  • atfire-de0e.mail.protection.outlook.com

MX Priorities

  • atfire-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.144 ↩ 217-160-0-144.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1052.ui-dns.com hostmaster.1und1.com 2017060211 28800 7200 604800 600
Primary NS (mname)
ns1052.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060211
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1040.ui-dns.de
ns1052.ui-dns.com
ns1016.ui-dns.biz
ns1114.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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

5 records
  • google-site-verification=Hw1tDYmfGrLrGqVS7WJJRwPXRfYNkWQSQ0OPp0gHA8c
  • google-site-verification=6wzmMFwH7D4gnhvXSduvKwnGh9xB7E_R4JkgCwBup5U
  • SPFv=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
  • google-site-verification=I4X_eov0TRscKLkdhcjNMpwkkfAqPiKz4CBcyoKQ67Q
  • cloudflare_dashboard_sso=97d3b2df47cf09587a1438c6d2bb7179
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