tierheim-mayen.de

Valid Email Server
Domain Lookup › tierheim-mayen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tierheim-mayen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 06:48:51 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • tierheimmayen-de02b.mail.protection.outlook.com: 0

A / AAAA Records

  • 5.22.145.121 ↩ relay.mail-forwarder.io
  • 5.22.145.16 ↩ relay.mail-forwarder.io
  • 2a00:18e0:5:2:7577:4e4d:413b:f507
  • 2a00:18e0:5:3:dfe2:c743:85aa:61bc

Mail Server IPs

  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2021102800 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2021102800
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns2.domaindiscount24.net
ns1.domaindiscount24.net
ns3.domaindiscount24.net

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
✓ 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 -all
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