riesa-efau.de

Valid Email Server
Domain Lookup › riesa-efau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
riesa-efau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 02:29:51 UTC · ↺ Refresh

MX Hostnames

  • riesaefau-de01c.mail.protection.outlook.com

MX Priorities

  • riesaefau-de01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 173.249.14.51 ↩ vmd41977.contaboserver.net
  • 2a02:c207:3004:1977::1 ↩ vmd41977.contaboserver.net

Mail Server IPs

  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA vmd41977.contaboserver.net server.b3-it.de 2026032601 10800 3600 1209600 10800
Primary NS (mname)
vmd41977.contaboserver.net
Admin Email (rname)
server@b3-it.de
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

pdns02.domaincontrol.com
vmd41977.contaboserver.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:173.249.14.51 ip6:2a02:c207:3004:1977::1 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ 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

1 record
  • SPFv=spf1 a mx ip4:173.249.14.51 ip6:2a02:c207:3004:1977::1 include:spf.protection.outlook.com -all
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