Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
f-w.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 14:09:02 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
- 23.185.0.1 (no PTR)
- 2620:12a:8001::1 (no PTR)
- 2620:12a:8000::1 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010160 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010160
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mail.farnsworthgrp.com include:sendgrid.net include:us._netblocks.mimecast.com ip4:198.37.147.129 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- EZapvo9LnHIqfc2GBf+P3V/JnUhU9M+LMLQLndUUBfYoAGhfXLQVKEMlpkOBfz3DJZhuiplvJ4EotAjGVn4mbQ==
- apple-domain-verification=1Epivw7cmyAR4LVs
- autodesk-domain-verification=Z1WvomS8URAYuJVMQcql
- smartsheet-site-validation=MgTVqb1Dfdb87UaCVpDulcx_1vvf3QLf
- amazon-business-verification=a5a8eb1701a69d05658e039b2d3fd1a2da3989603d3fcd6697df0b03a69a740b
- work-accounts-domain-verification=QuGj5yBcr1NMvPBndhleWd8mcQgf0h
- google-site-verification=dqCqzRoWGt4YK7oXK_H2hLyx9gMVUKs58wck0Ej9ccI
- anthropic-domain-verification-cy05jp=GPNoZoUlJnF2QsCpRjhNPmZ1u
- adobe-idp-site-verification=ffe62bfa0dae74cbad3fa27bdc78acd418b2393d957b8612183bb48d068917ec
- SPFv=spf1 a:mail.farnsworthgrp.com include:sendgrid.net include:us._netblocks.mimecast.com ip4:198.37.147.129 ~all
- frrvGFKaHSr+LNEwy70C2zrRRcpt9DBJL7qSiQ+rW70CmknsvLTypDgR8zOH7hcl9HbYqapEjlTDIGZTlrq+zg==
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