Domain Overview
DNS: ✓ 21d ago
Checker: ✓ 21d ago
mateerharbert.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:41:49 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
- 134.199.177.91 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
marissa.ns.cloudflare.com dns.cloudflare.com 2402221639 10000 2400 604800 1800
Primary NS (mname)
marissa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402221639
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
randy.ns.cloudflare.com
marissa.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
✗ 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
8 records- google-site-verification=KE2C7Xkz962FiwrUjNWVBEboXeGCOzFdznf8zWu-zi8
- SPFv=spf1 include:us._netblocks.mimecast.com -all
- 0ed1fe018aed67247b6ef64cc3a36e8d0243961943
- 2fMtpLMFUb8EBSUPObzZdtuDQ/hJ5sty1JPWZ9VnNtdHEggxLWViNCwk8+CP4EOfrShwgqH+ukvsagiwp6tzzw==
- 91crohob8e05q8e6cu34nqph67
- MS=E6A5014C0E00B1B30C802C7D50455A538443498F
- ZOOM_verify_yvrWqO70R-6Jms0YYuiPQA
- google-site-verification=J8zxnyrYI_80HWkBooQ9AzpO8dy2KH8j2JBcKuOYO7k
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