ruffsburger.de

Valid Email Server
Domain Lookup › ruffsburger.de

Domain Overview

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

Checked via [email protected] · 2026-03-18 07:29:04 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.52 ↩ 217-160-0-52.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::22b ↩ 2001-08d8-100f-f000-0000-0000-0000-022b.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns1046.ui-dns.org hostmaster.1und1.com 2017060137 28800 7200 604800 600
Primary NS (mname)
ns1046.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060137
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1065.ui-dns.com
ns1020.ui-dns.de
ns1046.ui-dns.org
ns1066.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

2 records
  • google-site-verification=SpiLgMDFTrVY4_H-dpHbZ05prnNT4Neqx_RKv6FN42A
  • SPFv=spf1 include:spf.protection.outlook.com -all
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