Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alexoptik.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 01:28:28 UTC · ↺ Refresh
MX Hostnames
- alexoptik-de.mail.protection.outlook.com
MX Priorities
- alexoptik-de.mail.protection.outlook.com: 10
A / AAAA Records
- 89.163.211.28 ↩ mx1.ayhosting.de
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ns-serve.net root.ns1.ns-serve.net 1771089044 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1771089044
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.ns-serve.net
ns1.ns-serve.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms83945113
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