bigbear.ai

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
bigbear.ai
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-21 00:43:34 UTC ยท โ†บ Refresh

MX Hostnames

  • bigbear-ai.mail.protection.outlook.com

MX Priorities

  • bigbear-ai.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.20 (no PTR)
  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 52.101.8.52 โ†ฉ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 โ†ฉ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.11.12 โ†ฉ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 โ†ฉ mail-blapr09cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 โ†ฉ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 โ†ฉ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: โ†ฉ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 โ†ฉ mail-ds0pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:aspmx.pardot.com -all
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
โš  No aggregate reports (rua= not set)

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

16 records
  • docusign=e1d0cb56-3de9-4108-ad27-d89a6d00c6d2
  • onx=e50ba15e-42e8-4ca4-bc2c-42a5ef2e49b6
  • cursor-domain-verification-k0bwfv=KlhgHctsL9jSsMIwjEX05gZrS
  • stripe-verification=D0D5880F5D098E49BFD9F97D9ED7514B40A1A8E789F227B1A855E62A7BDD8A35
  • MS=ms24547739
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:aspmx.pardot.com -all
  • apple-domain-verification=CKNdNqAM6mUknkaG
  • DO-NOT-CHANGE-MY-ATLASSIAN-ENTRY-CJH
  • lucid-KSbTGK5VUl08oPJf9fDJ
  • wpe-verification=bigbearai1
  • atlassian-domain-verification=h1IVZUaopziwZ4/nfG7vs52qqN/8IpUuqSeLmCTjHUo4P3cICudCSqg6RzQRt2aD
  • pardot147701=88a8ee5913f701cef230bbc9baaf9ae1ad0b793b63deeaa2aca30e8d6e5671f5
  • atlassian-sending-domain-verification=90885c4c-1dbf-486b-9432-faae3ef3590e
  • google-site-verification=TPgoYOIunBAEvZVSnBUxwBw5p9lMmdrSWZlIoLmOiRw
  • smartsheet-site-validation=yfDk6SW_jVgnQEWN5v63kRC9xQ6Ozn-a
  • loom-site-verification=194577aaa494418e832624370af473e8
Full email verification for bigbear.ai

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

SPF / DKIM / DMARC Get 1,000 Free Credits