lifelinediag.com

Valid Email Server
Domain Lookup › lifelinediag.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lifelinediag.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 00:01:37 UTC · ↺ Refresh

MX Hostnames

  • lifelinediag-com.mail.protection.outlook.com

MX Priorities

  • lifelinediag-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 192.124.249.65 ↩ cloudproxy10065.sucuri.net

Mail Server IPs

  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com

SOA Record

Raw SOA a.ns.lifelinediag.com hostmaster.lifelinediag.com 1774051201 16384 2048 1048576 2560
Primary NS (mname)
a.ns.lifelinediag.com
Admin Email (rname)
hostmaster@lifelinediag.com
Serial
1774051201
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

a.ns.lifelinediag.com
b.ns.lifelinediag.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • MS=A3426EF015F99865062D41969004AAFD33C9DB11
  • SPFv=spf1 include:spf.protection.outlook.com -all
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