Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schweickert.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:38:06 UTC · ↺ Refresh
MX Hostnames
- schweickert-de.mail.protection.outlook.com
MX Priorities
- schweickert-de.mail.protection.outlook.com: 0
A / AAAA Records
- 20.52.5.254 (no PTR)
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com
ns2-05.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:194.55.159.1 ip4:194.55.159.2 ip4:85.214.85.246 ip4:52.16.253.121 ip4:52.18.148.31 ip4:195.50.169.98 ip4:81.26.172.226 mx a:relay.schweickertgruppe.de include:spf.protection.outlook.com include:antispameurope.com include:spf.crsend.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- SPFv=spf1 ip4:194.55.159.1 ip4:194.55.159.2 ip4:85.214.85.246 ip4:52.16.253.121 ip4:52.18.148.31 ip4:195.50.169.98 ip4:81.26.172.226 mx a:relay.schweickertgruppe.de include:spf.protection.outlook.com include:antispameurope.com include:spf.crsend.com -all
- AA83C13C5BCBDA345DC83CDD12510BE5A7EE7F63D6E21EF34E00E5F43705AFE3
- apple-domain-verification=JlqOh46Vnx417moI
- sophos-domain-verification=01bcddb6b4c73ae57fd02be53355749686159ca63f47a8f1a59084603265aba6
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