Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jacobusenergy.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 21:01:35 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 0
- us-smtp-inbound-1.mimecast.com: 0
A / AAAA Records
- 35.231.143.235 ↩ 235.143.231.35.bc.googleusercontent.com
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns27.worldnic.com namehost.worldnic.com 126030416 10800 3600 604800 3600
Primary NS (mname)
ns27.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030416
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns27.worldnic.com
ns28.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.happyfox.com ip4:4.38.180.68 ip4:4.38.216.4 ip4:76.74.103.228 ip4:76.74.103.196 ip4:96.230.64.221/28 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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
✓ 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
8 records- apple-domain-verification=qk8Wa72qUNVYannn
- SPFv=spf1 a mx include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.happyfox.com ip4:4.38.180.68 ip4:4.38.216.4 ip4:76.74.103.228 ip4:76.74.103.196 ip4:96.230.64.221/28 ~all
- 6jve0vOZdR2sIU24n4PZiMzebBwy2TtP5Y3JCpARntftC5lsW9xRnwSjtX1QPw+siF8NSvQC21CrVHHWY9KeUQ==
- google-site-verification=wOs7eNSsB1WNc5oCbQSpuCnr4qxYy_70EHATzuWaFv8
- hvd870luvm36o4m2nt14e5k8g3
- 99v4b4kpcghgm71440bfgufup4
- docusign=37443247-d52d-40d5-bf6e-d37bd2ced32f
- f6AIpQEVOcYWpiZ/F2dOgASAQR0u7SuWt2DVGS9nLjwnvyQsVjf+HImpjgMUbzsZ7xbTkMbGKJjIg7AyqPp15w==
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