Domain Overview
DNS: ✓ 3h ago
Checker: ✓ 3h ago
byoptimos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 01:40:14 UTC · ↺ Refresh
MX Hostnames
- byoptimos-com.mail.protection.outlook.com
MX Priorities
- byoptimos-com.mail.protection.outlook.com: 0
A / AAAA Records
- 156.67.64.148 (no PTR)
- 2a02:4780:b:1710::3a76:9afe:2 (no PTR)
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dns-parking.com dns.hostinger.com 2026052101 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026052101
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1.dns-parking.com
ns2.dns-parking.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.ipzmarketing.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- zoho-verification=zb40034323.zmverify.zoho.com
- mailerlite-domain-verification=39a93060133f5fb975055135defde945805e227b
- MS=ms93666751
- SPFv=spf1 include:_spf.mlsend.com include:spf.ipzmarketing.com include:spf.protection.outlook.com -all
Full email verification for byoptimos.com
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