willistower.com

Valid Email Server
Domain Lookup › willistower.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 12:19:01 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 162.159.140.98 (no PTR)
  • 172.66.0.96 (no PTR)
  • 2606:4700:7::60 (no PTR)
  • 2a06:98c1:58::60 (no PTR)

Mail Server IPs

  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA cody.ns.cloudflare.com dns.cloudflare.com 2397415164 10000 2400 604800 1800
Primary NS (mname)
cody.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397415164
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kay.ns.cloudflare.com
cody.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:50.31.167.101 ip4:38.115.176.50/32 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:_spf.elasticemail.com include:spf.smtp2go.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

10 records
  • is69nWItYPfNLmgTNLQudQfwfu1WmBl8dBkCyOVv6uxd6gkV95qCommC6Cm3rFB7MuRtwZ7AIGh20qxGNK35qw==
  • knowbe4-site-verification=2c1a960eb37b9fa2ec8b98bdb513d432
  • SPFv=spf1 ip4:50.31.167.101 ip4:38.115.176.50/32 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:_spf.elasticemail.com include:spf.smtp2go.com -all
  • MS=ms15254159
  • aD1n40s*Ykti81nx^TZbc2Z31PXsqv!CxZ#TwO1OHNCEz7yultYik@Aph&xjsul7nISdPE4!P42JyDh^5TL@2x0CD!Fb0#*fm9V
  • adobe-idp-site-verification=66129cf5b4001245f173be6cc41f9c50d24870e9bce56b4849ef7f72a534ef45
  • box-domain-verification=62c47bc188412bd2189e074bf51a7b7c7013f7884846571b1b83636904f092ae
  • citrix.mobile.ads.otp=v1eq1lttpa36uwsk3d0johp9
  • d365mktkey=4zhyxh35zkpfko04pqvcz1xv7
  • docusign=ffdf5c67-f2bd-4b3d-b2f3-53ab3a1f487d
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