bannerengineering.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-27 03:11:06 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 184.32.63.19 ↩ ec2-184-32-63-19.us-west-2.compute.amazonaws.com
  • 52.37.106.231 ↩ ec2-52-37-106-231.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA ns-997.awsdns-60.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-997.awsdns-60.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1189.awsdns-20.org
ns-1537.awsdns-00.co.uk
ns-414.awsdns-51.com
ns-997.awsdns-60.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:58.211.166.134 ip4:216.194.97.9 ip4:216.194.97.200 include:usb._netblocks.mimecast.com include:aspmx.pardot.com include:_spf.createsend.com include:_spf.salesforce.com include:_spf.brainier.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

16 records
  • anthropic-domain-verification-9tg7fm=3lG9eDz92lyAMEpI37SzCgwUR
  • apple-domain-verification=Kk40afLYQd3CWnEl
  • arqu5gj46rck6ubdl6mta2n4fl
  • dzc=7jb4lrpsj9crgs05srp8fi8cn0
  • google-site-verification=4F9CrJ5B6B0pE3BaUBFYGRTbmSyZpKnniBHhMhgcaCo
  • google-site-verification=DrWmx-8vH8BO-G3jcvEuDtPnClQCiHJXm9qBFtPdPqo
  • openai-domain-verification=dv-3BbPyUi7oiZOzINjZko4n0SQ
  • pardot847843=0607b165a284757b68c4d099a68f326218ea3a9b79600457eda1c67beb00dffc
  • qaod42ffmimdrna4cojt2reruc
  • rescv54ahn9h8sua28776o4m89
  • SPFv=spf1 ip4:58.211.166.134 ip4:216.194.97.9 ip4:216.194.97.200 include:usb._netblocks.mimecast.com include:aspmx.pardot.com include:_spf.createsend.com include:_spf.salesforce.com include:_spf.brainier.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
  • vZZWRi1Q
  • 7iitrqea0jnir6d78kc1rnvcp
  • 8fcdedun2a9spm4827okpolnfn
  • MS=ms35126355
  • adobe-idp-site-verification=ca3ee6147d67e67fdc60e314a835554e662cba432e4a199b2cfd287268add7fa
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