Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alsco.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 08:46:42 UTC · ↺ Refresh
MX Hostnames
- alsco-de.mail.protection.outlook.com
MX Priorities
- alsco-de.mail.protection.outlook.com: 0
A / AAAA Records
- 85.13.166.93 ↩ dd51622.kasserver.com
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 2025042401 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2025042401
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.alsco.de a:mail2.alsco.de a:mail3.alsco.de ip4:195.243.60.34 ip4:195.243.60.36 ip4:84.44.165.213 ip4:195.243.58.138 ip4:167.172.103.183 ip4:84.44.165.217 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; fo=1; pct=100; ri=86400; aspf=r; adkim=r; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
6 records- SPFv=spf1 mx a:mail.alsco.de a:mail2.alsco.de a:mail3.alsco.de ip4:195.243.60.34 ip4:195.243.60.36 ip4:84.44.165.213 ip4:195.243.58.138 ip4:167.172.103.183 ip4:84.44.165.217 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com -all
- MS=8C8DFFB5D78E54E53D6A3492DAC977B3D8100C0C
- apple-domain-verification=Kgw9Gl36NKCYYIty
- 7VzMFgxtyudcgNXuSp5jIRRJZTTpj00ZpawPujdGfqWORJzDye286kD476uigM/dJjeJfeN254Zd04bEOYGjmA==
- bw=ark5XGzaOEZSPUzBQLWDkJaOYk9XUn6VU8hdp8JBkTKf
- lemontaps-domain-verification=8376f9341584aebb12c3c8a72c0adf8c031350168737c743a943e656f5b4dffa
Full email verification for alsco.de
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