Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
topnotchheat.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 06:14:57 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: 0
A / AAAA Records
- 35.172.94.1 ↩ staticip.multiscreensite.com
- 100.24.208.97 ↩ staticip2.multiscreensite.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.g10.cfdns.net hostmaster.topnotchheat.com 2026010615 10800 3600 604800 3600
Primary NS (mname)
ns1.g10.cfdns.net
Admin Email (rname)
hostmaster@topnotchheat.com
Serial
2026010615
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.g10.cfdns.biz
ns4.g10.cfdns.co.uk
ns1.g10.cfdns.net
ns3.g10.cfdns.info
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ip4:72.15.254.252 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
4 records- v=verifydomain MS=1540070
- 0ed1fe018ad03f069ba6f647338c8d76fb29cfac2e
- SPFv=spf1 include:us._netblocks.mimecast.com ip4:72.15.254.252 ~all
- google-site-verification=VFBleYu-1WFR5B8GsfpehHGVDnqLjc9VkuWXErz9Euk
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