Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onecor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 20:45:22 UTC · ↺ Refresh
MX Hostnames
- onecor-com.mail.protection.outlook.com
MX Priorities
- onecor-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.225.208.26 ↩ dfw-s04.nixihost.com
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns107.nixihost.com alerts.nixihost.com 2026013001 3600 1800 1209600 86400
Primary NS (mname)
ns107.nixihost.com
Admin Email (rname)
alerts@nixihost.com
Serial
2026013001
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns107.nixihost.com
ns108.nixihost.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:104.225.208.26 ip4:107.190.132.98 ip4:66.11.122.122 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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- MS=ms90173010
- SPFv=spf1 ip4:104.225.208.26 ip4:107.190.132.98 ip4:66.11.122.122 include:spf.protection.outlook.com -all
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