Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
katholische-sozialstation-heilbronn.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:58:17 UTC · ↺ Refresh
MX Hostnames
- katholischesozialstationheilbronn-de02i3c.mail.protection.outlook.com
MX Priorities
- katholischesozialstationheilbronn-de02i3c.mail.protection.outlook.com: 0
A / AAAA Records
- 153.92.201.219 ↩ r18025.agenturserver.it
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de admin.keppler-stiftung.de 2023011301 86400 10800 3600000 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
admin@keppler-stiftung.de
Serial
2023011301
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
robotns2.second-ns.de
ns1.first-ns.de
robotns3.second-ns.com
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
✓ 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms60312762
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