tc-alum.com

Valid Email Server
Domain Lookup › tc-alum.com

Domain Overview

DNS: ✓ just now Checker: ✓ just now
tc-alum.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 20:15:08 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com
ns2-08.azure-dns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=2i8vcpb3._spf._d.mim.ec
📊 DNS lookups: 1/10

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; 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

12 records
  • Zt/YW3zC2ivzYYOvLnYZsNHFqMtTd3ozD/cVZDPrM+wY5/J6fDsVCa0HSg4ec3n+GA2KXCsWYSpY3WHqjL77PQ==
  • SPFv=spf1 redirect=2i8vcpb3._spf._d.mim.ec
  • d3vgq4r77005b5pgv5dbk75gvghh3whm
  • 3ql3pywby7nvp16pzhd0p52znxzzxrjs
  • globalsign-domain-verification=48F5F9560D0152FA9D1FE03891A47AC9
  • globalsign-domain-verification=F9A1667989E6600308498475E232612C
  • adobe-idp-site-verification=b470c349731f374d83fb85abdb7e51ff00ff22f8c9fb8f335bbbed68fd532bf4
  • globalsign-domain-verification=AD33D4DF2B6AAD29995CB185144A895E
  • HLxesQpaatUISnRzHJ+srlpcVPby6HgcJQFctLzAn2UnVUgARF3HKB0BtssT06q7gRtUP+kSiiSyQyAyeqRg3Q==
  • smartsheet-site-validation=Ykv0dcjgwlUaOwSkF9QOwCCo3jHPcnVk
  • 0ed1fe018a1d4752d594b2458280eb47
  • MS=ms87639360
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