Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcpsoftware.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:11:42 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ 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
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-1277.awsdns-31.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1277.awsdns-31.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1277.awsdns-31.org
ns-1833.awsdns-37.co.uk
ns-383.awsdns-47.com
ns-726.awsdns-26.net
SPF Record
✓ Strict (-all)
v=spf1 include:sent-via.netsuite.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com mx:tcpsoftware.com ip4:173.219.135.2/27 a:zgateway.zuora.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=50
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
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
18 records- amazonses:H0W7UHlFWBSoX1VDAfZ3JaEIsYh/5/IkwLW98PPu+9I=
- adobe-idp-site-verification=6261ffd0f015cd260893df99768b233556e7a876852f4556079f7a9c3a0fde43
- ZOOM_verify_9YrBH5LnRLW9zXrslAjRFw
- ntsdrh43ej66vsu2cpba2lf8kv
- MS=ms31206669
- google-site-verification=EI6WoW114WbzqedJR-vroLGde6i3EeU40Y-b85NtO9s
- atlassian-domain-verification=OZGHFPw6ZjPqyZUYbEG/6YWRgn0IR71gheFDsWrBg/BJ2Wn98TkPLOkdDCwUMHd9
- apple-domain-verification=EOnNEqepTrYh2uzO
- 00D36000000J5nE=1TBPU00000000Hl
- va0v4mbcb9kkpbgsa2260von3g
- google-site-verification=g64LS1rrnBR1wy2IyXYo-rdVHpqm2u82Id_aXgAkAMU
- anthropic-domain-verification-mcz69q=bgORF0U7AqtSC5GS4iCvXRyiv
- 0ed1fe018a284b5b4628a142d0baa297aa75a42d4d
- segment-site-verification=vmZ1MilfnWkdPaoVT9NU3017LQJBnfAu
- SPFv=spf1 include:sent-via.netsuite.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com mx:tcpsoftware.com ip4:173.219.135.2/27 a:zgateway.zuora.com -all
- 65999638-4ce1-11ee-be56-0242ac120002
- 8ca970b05e0243ff6097c68c74cbdde6cef352cf5dc78c5390
- aa696b3ace8c6801629443aec3c87f63bcd3b8ce5d1d4fdf97
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