Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
omikron.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 11:29:15 UTC · ↺ Refresh
MX Hostnames
- omikron-de.mail.protection.outlook.com
MX Priorities
- omikron-de.mail.protection.outlook.com: 0
A / AAAA Records
- 78.35.13.183 ↩ n183.omikron.de
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
vns1.omikron.de postmaster.omikron.de 2026031801 14400 3600 1209600 600
Primary NS (mname)
vns1.omikron.de
Admin Email (rname)
postmaster@omikron.de
Serial
2026031801
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
vns3.omikron.de
vns1.omikron.de
vns4.omikron.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.crsend.com ip4:87.79.11.83 a:mailx.omikron.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=s; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
9 records- MS=ms76114137
- atlassian-domain-verification=aU2UC3swm8K8rc4BFMp7Ch2/U4CsTVcXwLRemtVufxu0epaPAvaLU6eLWb8d9s9K
- anthropic-domain-verification-gajzf6=1Q4jQUNcXGk3S8pHOnx752t4k
- miro-verification=bbb35d3101fdf92d748ebbd254cc39fe84bec793
- asv=679bdf825bff0b23c73b30d8943378d7
- SPFv=spf1 include:spf.protection.outlook.com include:spf.crsend.com ip4:87.79.11.83 a:mailx.omikron.de -all
- google-site-verification=A1-lHH1ub1U9RlcezCnpr28PUJWrZBj8CRhTCaU_U9Q
- cursor-domain-verification-vhhmhj=7eMObZGmZWj54klAycCEJ4xk3
- openai-domain-verification=dv-JGjd9scuBif8t9zkzMEDtxY4
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