bigcore.com.br

Valid Email Server
Domain Lookup › bigcore.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-29 06:02:28 UTC · ↺ Refresh

MX Hostnames

  • bigcore-com-br.mail.protection.outlook.com

MX Priorities

  • bigcore-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 151.101.193.91 (no PTR)
  • 151.101.65.91 (no PTR)
  • 151.101.1.91
  • 151.101.129.91

Mail Server IPs

  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com

SPF Record

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

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

7 records
  • SPFv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com -all
  • nilro1m9fddjg5s1qjiviev4eu
  • facebook-domain-verification=08wf7tmxx9p1kmi4gcdwafn8h5oja7
  • ku1rctl3v1hp8s7mtp5jlffksm
  • uo8kte926kkh3m3euuv4a6nja3
  • google-site-verification=fPc_nh0LcUeVPp1Iq6lpW6Q4_gNB_m-K_TxZiOPCG0o
  • mscid=YOFF0GKvmcll10IV08FEoVnLLpGYwsWwetcYo9JmFTjUlBRMyTFys44zJpFruWWZqZhhoLVd19YUTqOO1AkODg==
Full email verification for bigcore.com.br

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

SPF / DKIM / DMARC Get 1,000 Free Credits