Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
roblumco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:07:31 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.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
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns45.domaincontrol.com dns.jomax.net 2026012801 28800 7200 604800 600
Primary NS (mname)
ns45.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012801
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns45.domaincontrol.com
ns46.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:74.119.87.19 include:us._netblocks.mimecast.com include:spf.us.exclaimer.net include:_spf.salesforce.com include:spf.protection.outlook.com a mx -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
10 records- google-site-verification=0kKENc69LY_9gyEec6GWEXACroK76E0mLtWbvIH1VCU
- SPFv=spf1 ip4:74.119.87.19 include:us._netblocks.mimecast.com include:spf.us.exclaimer.net include:_spf.salesforce.com include:spf.protection.outlook.com a mx -all
- box-domain-verification=9cda8f0fcd14c51768de61be3472542265a5e64d5c33d249ed50892faa26529e
- google-site-verification=htq1LYf7GouAgyVyQqFn6I1nt0RqJmxQh8s4aqlV824
- MS=ms24888643
- MS=DAC77C1B818328A2B5636F65FEE63F062658B0C9
- apple-domain-verification=U09r4N4mErummpBG
- nrgq4mhp4bc0221u030r26be70
- rUJKJ/9Y2JzyPbZx5wffj0dfPwFWGPFxdmyaGqRYmT2l60lC7FC8RAuAaKanPrVki74xew9IWd8CxxYyYBJc9A==
- rUJKJ/9Y2JzyPbZx5wffj0dfPwFWGPFxd
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