jspielmann.de

Valid Email Server
Domain Lookup › jspielmann.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
jspielmann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 16:14:11 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • jspielmann-de.mail.protection.outlook.com: 20

A / AAAA Records

  • 81.169.145.143 ↩ ws0.rzone.de
  • 2a01:238:20a:202:1143:: (no PTR)

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA docks05.rzone.de hostmaster.strato-rz.de 2020052636 86400 7200 604800 300
Primary NS (mname)
docks05.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052636
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades03.rzone.de
docks05.rzone.de

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • MS=ms63544397
  • SPFv=spf1 include:spf.protection.outlook.com -all
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