Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aucos.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 15:42:51 UTC · ↺ Refresh
MX Hostnames
- aucos-de.mail.eo.outlook.com
MX Priorities
- aucos-de.mail.eo.outlook.com: 50
A / AAAA Records
- 185.244.167.166 (no PTR)
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.aucos.de dnsadmin.aucos.de 381 28800 7200 604800 86400
Primary NS (mname)
ns.aucos.de
Admin Email (rname)
dnsadmin@aucos.de
Serial
381
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.aucos.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx ip4:62.225.64.13 ip4:62.225.64.9 ip4:130.180.55.194 ip4:5.189.162.224 include:spf.protection.outlook.com include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
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
2 records- qdip48lvi3784l1jdkpl8vq637
- SPFv=spf1 +a +mx ip4:62.225.64.13 ip4:62.225.64.9 ip4:130.180.55.194 ip4:5.189.162.224 include:spf.protection.outlook.com include:spf.crsend.com -all
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