Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optitime.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:11:35 UTC · ↺ Refresh
MX Hostnames
- optitime-de.mail.protection.outlook.com
MX Priorities
- optitime-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.240 ↩ 217-160-0-240.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2e1 ↩ 2001-08d8-100f-f000-0000-0000-0000-02e1.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1106.ui-dns.com hostmaster.1und1.de 2017072363 28800 7200 604800 300
Primary NS (mname)
ns1106.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017072363
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1106.ui-dns.biz
ns1106.ui-dns.com
ns1106.ui-dns.de
ns1106.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- MS=ms24488112
- SPFv=spf1 include:spf.protection.outlook.com ~all
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