jschwarz-stb.de

Valid Email Server
Domain Lookup › jschwarz-stb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jschwarz-stb.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 05:16:44 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • jschwarzstb-de02b.mail.protection.outlook.com: 10

A / AAAA Records

  • 212.114.86.48 ↩ node11.securewebsystems.net
  • 2a01:488:42:1000:50ed:848b:ffbf:dd8f (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns73.domaincontrol.com dns.jomax.net 2024082235 28800 7200 604800 600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024082235
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns73.domaincontrol.com
ns74.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.rz-24.de include:spf.hannover-cloud.de include:spf.dbc-gruppe.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._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

3 records
  • SPFv=spf1 a include:spf.rz-24.de include:spf.hannover-cloud.de include:spf.dbc-gruppe.de include:spf.protection.outlook.com -all
  • google-site-verification=Icbcwtv7ZiHl8xgE02a0yigcWoyVSsaMcSclep9l9ss
  • MS=ms51412462
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