acertaralabs.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-26 01:05:58 UTC · ↺ Refresh

MX Hostnames

  • acertaralabs-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 160.153.0.16 ↩ 16.0.153.160.host.secureserver.net

Mail Server IPs

  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns71.domaincontrol.com dns.jomax.net 2026030900 28800 7200 604800 3600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns71.domaincontrol.com
ns72.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:secureserver.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • google-site-verification=jZp_Ayn-boXJBvtc6D3QxqGI4VM9VUS5wswVp0eUHl0
  • v=verifydomain MS=7126735
  • google-site-verification=mH48adawj49_u2ZTvDNiaavAh31oMnF2Ah0gUhpSixA
  • SPFv=spf1 include:spf.protection.outlook.com include:secureserver.net -all
  • ca3-893589b4127b471e9c36a516b997ef40
  • amazonses:E/8cZOEczf2P7um/RPHmrzF9ibHVpTIdHTYroqe/hBs=
Full email verification for acertaralabs.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits