Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sandstein.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 00:43:11 UTC · ↺ Refresh
MX Hostnames
- sandstein-de.mail.protection.outlook.com
MX Priorities
- sandstein-de.mail.protection.outlook.com: 10
A / AAAA Records
- 49.13.138.248 ↩ sandstein-website-httpd.sandstein.de
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa5.schlundtech.de markus\.pieper.sandstein.de 2025112716 43200 7200 1209600 600
Primary NS (mname)
nsa5.schlundtech.de
Admin Email (rname)
markus\@pieper.sandstein.de
Serial
2025112716
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsd5.schlundtech.de
nsc5.schlundtech.de
nsa5.schlundtech.de
nsb5.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.turbo-smtp.com include:spf.protection.outlook.com a mx ip4:89.28.241.18 include:agenturserver.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- d9b07ebabcf28c6521807baadc90ca47ed2e4bb46c56a9aec09c71441cac3f27
- google-site-verification=w1CN0EuOI-Gh620-sUJUfRAb-uYs2JV5dMgxjOdFeE8
- google-site-verification=REfFOLcCl0jn951Gnk0NgqTuBskA3BSwi7ILdvMTLCM
- SPFv=spf1 include:spf.turbo-smtp.com include:spf.protection.outlook.com a mx ip4:89.28.241.18 include:agenturserver.de -all
- MS=ms84345385
Full email verification for sandstein.de
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