Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tec-system.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:22:51 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 0
- us-smtp-inbound-2.mimecast.com: 0
A / AAAA Records
- 38.98.228.105 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008010165 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008010165
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns2.chipscc.com
ns4.chipscc.com
ns3.chipscc.com
ns1.chipscc.com
ns0.chipscc.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.myconnectwise.net include:spf.bidtracer.com ip4:74.119.87.52/32 ip4:38.66.76.139/32 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
3 records- MS=685B5AF636F3D698C324E3D889F30F10376F8937
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.myconnectwise.net include:spf.bidtracer.com ip4:74.119.87.52/32 ip4:38.66.76.139/32 -all
- MS=ms39267805
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