Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mayerbrown.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 22:47:15 UTC · ↺ Refresh
MX Hostnames
- mayerbrown-com.mail.protection.outlook.com
MX Priorities
- mayerbrown-com.mail.protection.outlook.com: 2
A / AAAA Records
- 23.100.43.208 (no PTR)
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mayerbrown.com admin.mayerbrown.com 2026031604 43200 600 1209600 3600
Primary NS (mname)
ns1.mayerbrown.com
Admin Email (rname)
admin@mayerbrown.com
Serial
2026031604
Refresh
43200s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns5.mayerbrown.com
ns3.mayerbrown.com
ns2.mayerbrown.com
ns4.mayerbrown.com
ns1.mayerbrown.com
ns6.mayerbrown.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:egress.mayerbrown.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
15 records- canva-site-verification=wV-gXFNeKSzhHX2kGQSFjg
- google-site-verification=kiS5rlx1gmEvCuTYSAmSkGbvCUiIw9fjxqWePKyni6M
- apple-domain-verification=5P7COqX0gZU20FE7
- docusign=a243ab19-3d46-4ec3-94fd-2d5da017e321
- intersight=fa311ac3bcb02cdeadfd0bb59e8ba0f6c20a9b9778d4c8fa26cd566dbf971a5c
- vmware-cloud-verification-8edfb4c3-35a5-49e8-9393-805fc2b3255c
- _544avomg1pruqvcd3pmvbyt0ldjiv5w
- google-site-verification=oVIiQDQQ3Ce-cPUBumZHSE3Y8jy4IKH7cAVrHqJF1sQ
- google-site-verification=tQcPkz2kw4SPOvx-Cn-n6dVckPifdtViI7jIwBtd9d4
- miro-verification=0772165b846e4d2474e5e676489ff7d94455864a
- webexdomainverification.=42e6a038-e82e-4c75-9bef-0aeefa096f67
- google-site-verification=E0MCr_Ezg2PDCtcdvN_gxCluJNNGJxKnpDFCrQxtNuE
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:egress.mayerbrown.com -all
- MS=ms14764917
- cisco-ci-domain-verification=14d45740d581c3724734ec4fcef6c1a523a8866ab7f9b429713e22d581a2424f
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