Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optimise-it.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 12:00:43 UTC · ↺ Refresh
MX Hostnames
- optimiseit-de02b.mail.protection.outlook.com
MX Priorities
- optimiseit-de02b.mail.protection.outlook.com: 10
A / AAAA Records
- 213.133.105.202 ↩ dedi3352.your-server.de
- 2a01:4f8:d0a:2703::2 ↩ dedi3352.your-server.de
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026022300 86400 10800 3600000 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026022300
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:servers.mcsv.net include:6528317.spf03.hubspotemail.net include:_spf.atlassian.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=buBCsIUEpSZRMMEzBc6mUqtQ4JBbXwgkB8tq0r39sis
- google-site-verification=xBVd73B2eZBYZsLoNqIYASUFG8VGCycd1rnL-pseWPU
- SPFv=spf1 a include:spf.protection.outlook.com include:servers.mcsv.net include:6528317.spf03.hubspotemail.net include:_spf.atlassian.net -all
- MS=ms65071085
- atlassian-domain-verification=zbjLNUchtc5PEMZbV/WDoUujvJAnBraqT261iBBHFAGjnVl98/BPmSX0nMqTRIue
- atlassian-sending-domain-verification=fd4e6221-3a47-4857-9086-c02bc94bbb5e
- google-site-verification=80JWTHIk-cKj8byBybDXn9YOqkQvHa2M3TJkkQNil_I
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