bigsnyc.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bigsnyc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 20:56:05 UTC · ↺ Refresh

MX Hostnames

  • bigsnyc-org.mail.protection.outlook.com

MX Priorities

  • bigsnyc-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns17.worldnic.com namehost.worldnic.com 126030912 10800 3600 604800 3600
Primary NS (mname)
ns17.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030912
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns17.worldnic.com
ns18.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mxsspf.sendpulse.com include:sendgrid.net include:servers.mcsv.net include:spf.protection.outlook.com +a +mx ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

4 records
  • QC6fG4bdXXVdyPZ6HSFTdvtlsXEpZThpXb6A8izlksOgqwSOkb70McrxsVuBUV5QHJZcAivVOemo8gm+IlQFgQ==
  • SPFv=spf1 include:mxsspf.sendpulse.com include:sendgrid.net include:servers.mcsv.net include:spf.protection.outlook.com +a +mx ~all
  • MS=ms20728719
  • google-site-verification=tm018sKyrGq35bFH9MBAbsbg1XVD_ExrWnz4ARBOukE
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