crestwynbh.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-30 04:47:34 UTC · ↺ Refresh

MX Hostnames

  • crestwynbh-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 13.35.93.33 ↩ server-13-35-93-33.jfk50.r.cloudfront.net
  • 13.35.93.16 ↩ server-13-35-93-16.jfk50.r.cloudfront.net
  • 13.35.93.87
  • 13.35.93.22

Mail Server IPs

  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1048.awsdns-03.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1048.awsdns-03.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1048.awsdns-03.org
ns-1542.awsdns-00.co.uk
ns-42.awsdns-05.com
ns-1007.awsdns-61.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:209.119.226.100 include:_spf.createsend.com include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 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

7 records
  • facebook-domain-verification=alxh8pkr0hf4km09e01iodqdprippp
  • knowbe4-site-verification=56b8d48641a70977b3df7f4f764173c2
  • SPFv=spf1 ip4:209.119.226.100 include:_spf.createsend.com include:spf.protection.outlook.com include:_spf.salesforce.com -all
  • v=verifydomain MS=1004844
  • 8yZ8HTFPLRr1XB7qu781iUMc8dgg9c9CANC2GmqOS7HBWlpezmYFhszqGomzAXU111w/rmbxd/8ouRH44Pl1Jg==
  • AvD2eASxz+BvFIk7y5QUakl1536bRWoywGodcRZPbtKrk08Ph1NrzoJzFCwxTJCPTUjHvdAi90ai6VAFk5LvmQ==
  • docusign=0b7beedf-9afd-4b98-bb7b-92603b03c9a3
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