Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
otcpas.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:40:24 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 1
- us-smtp-inbound-1.mimecast.com: 0
A / AAAA Records
- 104.21.16.75 (no PTR)
- 172.67.166.232 (no PTR)
- 2606:4700:3031::6815:104b (no PTR)
- 2606:4700:3037::ac43:a6e8 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
delilah.ns.cloudflare.com dns.cloudflare.com 2397139218 10000 2400 604800 1800
Primary NS (mname)
delilah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397139218
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
delilah.ns.cloudflare.com
fattouche.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:4.17.222.186 include:relay.mailchannels.net include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:45969879.spf10.hubspotemail.net include:spf.us.exclaimer.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- SPFv=spf1 ip4:4.17.222.186 include:relay.mailchannels.net include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:45969879.spf10.hubspotemail.net include:spf.us.exclaimer.net ~all
- 0ed1fe018a2a747b7681b1428f905a536fc76b04f4
- 5VGBT5vFUqQxKaQ+FQx/LbJFSpull/mLWhd+SAQG9MB9eizfZlP/rEnYdMUZmohyrItFd5S0LqW+qyjLx+QTWg==
- MS=ms13756468
- cc9h2pqt4qd2evvb017b958sag
- qts5ru05fdf5qniri9ui4sc5sl
- tqf6v4s7qp0dq4vhlo0tcvk7hv
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