sjb.de

Valid Email Server
Domain Lookup › sjb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sjb.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 01:06:10 UTC · ↺ Refresh

MX Hostnames

  • sjb-de.mail.protection.outlook.com
  • mforward.dtag.de

MX Priorities

  • mforward.dtag.de: 20
  • sjb-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 194.25.242.123 ↩ mforward.dtag.de
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA pns.dtag.de dns.telekom.de 2026011600 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2026011600
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.telekom.net
pns.dtag.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:62.157.117.57 ip4:62.157.117.59 include:spf.protection.outlook.com include:one.zoho.eu include:spf.zoho.eu include:eu.transmail.net -all
📊 DNS lookups: 4/10
✓ 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

3 records
  • apple-domain-verification=1f1sZvDD0VJ55HzN
  • google-site-verification=ST64MIbndJigqth1rPIrLQHk8d5V0Et9bffbkKS-PKY
  • SPFv=spf1 ip4:62.157.117.57 ip4:62.157.117.59 include:spf.protection.outlook.com include:one.zoho.eu include:spf.zoho.eu include:eu.transmail.net -all
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