Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stjj.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 18:31:48 UTC · ↺ Refresh
MX Hostnames
- stjj-de.mail.protection.outlook.com
MX Priorities
- stjj-de.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.84 ↩ 217-160-0-84.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::269 ↩ 2001-08d8-100f-f000-0000-0000-0000-0269.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1093.ui-dns.biz hostmaster.1und1.com 2017060136 28800 7200 604800 600
Primary NS (mname)
ns1093.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060136
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1111.ui-dns.com
ns1117.ui-dns.de
ns1041.ui-dns.org
ns1093.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms41285981
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=DMSENcHeJ_pE-he5TQo6HMlgY2hEYQIjztgozNrcR_o
Full email verification for stjj.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits