Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vistastaff.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 15:45:16 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 20
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 96.45.82.48 ↩ redirection.dnsmadeeasy.com
- 96.45.83.216 ↩ redirection.dnsmadeeasy.com
- 96.45.83.99 ↩ redirection.dnsmadeeasy.com
- 96.45.82.207 ↩ redirection.dnsmadeeasy.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010184 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010184
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns24.digicertdns.net
ns22.digicertdns.com
ns23.digicertdns.net
ns21.digicertdns.com
ns25.digicertdns.net
ns20.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:_spf.bullhornmail.com include:1554807.spf05.hubspotemail.net include:relay.mailchannels.net ip4:4.36.8.218 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ 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
7 records- 4351a7018ae5484f868c8678cc05d0a9
- ZOOM_verify_Jc7e7RDjygI2ezYmfJK3xU
- smartsheet-site-validation=kjF4x2gRbtWWHgRkibK0VkEE_rGEoVAO
- MS=ms23492504
- SPFv=spf1 include:us._netblocks.mimecast.com include:_spf.bullhornmail.com include:1554807.spf05.hubspotemail.net include:relay.mailchannels.net ip4:4.36.8.218 -all
- 9ZDEaHu2hT/mSUW1ICtDuF1xl/gk0dZaJIwzwweYpxuMpqRRFaXEYnzYNqlt0lkRw3nPpHvq//fYkQjbdDzVTA==9ZDEaHu2hT/mSUW1ICtDuF1xl/gk0dZaJIwzwweYpxuMpqRRFaXEYnzYNqlt0lkRw3nPpHvq//fYkQjbdDzVTA==
- lucid-verification=hrd-dkg8JDG!ynt.jnp
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