crestnicholson.com

Valid Email Server
Domain Lookup › crestnicholson.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
crestnicholson.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 13:52:20 UTC · ↺ Refresh

MX Hostnames

  • eu-smtp-inbound-2.mimecast.com
  • eu-smtp-inbound-1.mimecast.com

MX Priorities

  • eu-smtp-inbound-2.mimecast.com: 10
  • eu-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 20.56.12.210 (no PTR)

Mail Server IPs

  • 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns1-35.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-35.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-35.azure-dns.org
ns4-35.azure-dns.info
ns1-35.azure-dns.com
ns2-35.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 a ip4:52.157.85.54 ip4:13.95.229.38 ip4:152.114.220.10 ip4:20.16.1.37 ip4:4.210.188.142 ip4:51.132.225.69 include:_netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

11 records
  • 56002cecd20217e420239b478cbecd0b339d166d
  • mlglfeivcl3i9reo5i2nhkl2ni
  • google-site-verification=CWCAv5Qxu0cSL7tXpWqgzXggsKP-jcNdUBCaomtvAVU
  • apple-domain-verification=1P15xF3UbxV63fui
  • Y3Jlc3Q=
  • SPFv=spf1 a ip4:52.157.85.54 ip4:13.95.229.38 ip4:152.114.220.10 ip4:20.16.1.37 ip4:4.210.188.142 ip4:51.132.225.69 include:_netblocks.mimecast.com -all
  • tYwm5nHOaSbCzDu9ekeCbPxxRWxYE9Eq2pxZ2w+sNQbJXVCpx4FqutabVbziq8QZTip9tUdO110B7dD/EYQ94A==
  • google-site-verification=-6MgH-B-wjjI9Te555WNax7a-ZHGClaRgTGgRVimB_w
  • facebook-domain-verification=oik2dil8bgw5op3ow5f0xl4ymedzwk
  • docusign=91783b52-346a-4d07-9e4f-616a9221bc0e
  • MS=ms81018236
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