Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coldair4u.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 09:42:20 UTC · ↺ Refresh
MX Hostnames
- coldair4u-com.mail.protection.outlook.com
MX Priorities
- coldair4u-com.mail.protection.outlook.com: 0
A / AAAA Records
- 177.154.153.39 ↩ 39.153.154.177.static.sp2.alog.com.br
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns57.domaincontrol.com dns.jomax.net 2026021400 28800 7200 604800 600
Primary NS (mname)
ns57.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns57.domaincontrol.com
ns58.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
4 records- selector-1604839495._domainkey
- DKIMv=DKIM1; k=rsa; t=s; n=core; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlNmsItHqsH7NxHljGEenVP7z6dqe1ioWLTSvW+e1SFn43+pdLMs4xCR6PyCTmGKCmiAXjBXE2/t49TcmFKzjsD8jA73pafVq2YKbAQl4j5zgS+IpAZnpaY7PdimCv9dJirkTaSd9GEtDBgPxHUHDQyIAb29raWGLbeBUjK8PkIOwT/Aq8u3LzmaokY7pyjXaxcaMUX6sDF8vo1UxQk6+s9ki2kK3J+18Nzz1NFQ403MhXseoJEh4+9PB1YtPYysnHrQwFpS2ZSlvghbvROwDa3PCqwA8cyv9cs8wjzB9XvEpV+OMF7o5vGai/x/T6sPyNFLYSDNgVWHf+dRKGmEz0QIDAQAB
- NETORGFT7088767.onmicrosoft.com
- SPFv=spf1 include:spf.protection.outlook.com -all
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