Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibstankewitz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 09:53:45 UTC · ↺ Refresh
MX Hostnames
- ibstankewitz-de.mail.protection.outlook.com
MX Priorities
- ibstankewitz-de.mail.protection.outlook.com: 10
A / AAAA Records
- 185.60.251.251 (no PTR)
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa1.schlundtech.de admin.ibstankewitz.de 2025062100 43200 7200 1209600 600
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
admin@ibstankewitz.de
Serial
2025062100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsd1.schlundtech.de
nsb1.schlundtech.de
nsc1.schlundtech.de
nsa1.schlundtech.de
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
2 records- MS=ms99269518
- SPFv=spf1 include:spf.protection.outlook.com -all
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