Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
511tactical.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:47:19 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 151.101.195.52 (no PTR)
- 151.101.131.52 (no PTR)
- 151.101.3.52 (no PTR)
- 151.101.67.52 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.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
elijah.ns.cloudflare.com dns.cloudflare.com 2399270660 10000 2400 604800 1800
Primary NS (mname)
elijah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399270660
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ulla.ns.cloudflare.com
elijah.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:servers.mcsv.net include:mailgun.org include:_spf.ultipro.com include:spf.smartlabel.com ip4:216.71.150.115 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
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
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
22 records- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:servers.mcsv.net include:mailgun.org include:_spf.ultipro.com include:spf.smartlabel.com ip4:216.71.150.115 ~all
- intersight=96a0b7030eab048cc0031176d41e703d8b40fa23202e764788980761cdec2eb0
- _globalsign-domain-verification=nacZJ7CBEhC0-oNbxGkfaLRwouSP91PQ8wzLExpHCW
- apple-domain-verification=42GmEuqVtidXhV1L
- ECdAvEbGiCZprxtehmpWQq8sS1towMaU6xfHjDU1aR6gyIyyx/npHz3PvDJn76viKjRS7VINfP2VQvVNsVznSQ==
- MS=ms30395370
- google-site-verification=LsEpIj3n-sx0aCRgu8ro6WzJNQ0Wc1fduQRqtKOAkUo
- google-site-verification=KzgXM5qu5iwdgVrFX3Geux5T7H8mTc_cOOS_F0Wh7NA
- Y2Zs2+4ZWw897CANtdUif38oYCP8JedpR/iV/JZm2zB9Z7oVMdXq4J/QSs9MlXpzuthCNpB6p/6cFqTpNLCClQ==
- google-site-verification=Vei97jRq5wUElyn08dHAApqk7jvzbAQPD9SgOTvq7RQ
- facebook-domain-verification=motsec2b3v8sh2xeyllzujg9o4b99h
- docusign=849ec3ae-fcf6-4206-8e59-3061500b5d1c
- anthropic-domain-verification-xm3jr0=mryJl9Jcm9V0Dac5bJhTmg9TG
- amazonses:G0YirUiWfzXsyPjZKE+mBt2/Wva5iagPpMqbcWa26q8=
- cisco-ci-domain-verification=23038c2dd1ac2bfc429adf2eb6e011c26198c4bfd3cb9800324a62abd7e89140
- google-site-verification=8l9z6Gw9o5HQZgGYYjrjle8s12c0Asnv8NwloqPCIYk
- openai-domain-verification=dv-0oXtvt4sKLpHYLGemlkF5d9y
- google-site-verification=wKQD4bRn879PYjxbb0d-cnwTlXYNfTKdhdZO8zvHbCw
- sprout-social-1ee6125e-3a96-477e-a285-7b80d9c881f4
- miro-verification=523a001dee64b492d445eed149815892ff70af6d
- onetrust-domain-verification=0e6f97009d0e4cf0932d5ef48bf13a41
- ecostruxure-it-verification=8dc9c80f-fa2d-4fb0-9cff-b3fcb65fac81
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