simplethings.de

Valid Email Server
Domain Lookup › simplethings.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 20:54:22 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 51.195.22.121 ↩ ip121.ip-51-195-22.eu

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.st-nameserver.de dns.simplethings.de 1774534801 16384 2048 1048576 2560
Primary NS (mname)
ns1.st-nameserver.de
Admin Email (rname)
dns@simplethings.de
Serial
1774534801
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns1.st-nameserver.de
ns2.st-dns.de
ns3.st-dns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.simplethings.de ip4:51.195.22.6 include:lex.simplethings.de -all
📊 DNS lookups: 3/10
✓ 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

4 records
  • _globalsign-domain-verification=AVSrEN_olaF3hvkMjMsaNGH68rM6C85Y7RJXniPScb
  • google-site-verification=XNDUG-8sFHVLGG2O258aBAXnkvtcYCFUb3g6K6BPW8Y
  • apple-domain-verification=zSoV6SIwyZO8FIHW
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.simplethings.de ip4:51.195.22.6 include:lex.simplethings.de -all
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