Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dobbstruckgroup.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 12:25:47 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 1
- us-smtp-inbound-1.mimecast.com: 1
A / AAAA Records
- 104.17.90.30 (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
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
hugh.ns.cloudflare.com dns.cloudflare.com 2396837157 10000 2400 604800 1800
Primary NS (mname)
hugh.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396837157
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tegan.ns.cloudflare.com
hugh.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.dobbstruckgroup.com._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=50; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
8 records- 0ed1fe018a9d4ac489339b43d5aea8c6a4171f8870
- MS=ms28758950
- RhJc3jpxslhQN5KVA83XHYSfwx85OtZ9hPP3N/xPrJelIUWGswKqwWwYZPjE4jsrjdmP1sRIGTyIxheDYEF6fg==
- docusign=883655f2-5b4d-400b-abd1-c59dea2a4066
- duo_sso_verification=K4BFL2sbf3ZpPEFxNgVx5yvFUJVVxhZk7lOFSMAuJRkefK3OQi33neK7cBpjyChJ
- ms-domain-verification=735c0fc4-12de-49bd-a79d-bf65956f82d3
- SPFv=spf1 include:_u.dobbstruckgroup.com._spf.smart.ondmarc.com ~all
- viewsonic=ke9tl1hi
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