Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thetopofthehub.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:28:42 UTC · ↺ Refresh
MX Hostnames
- inbound30.luxsci.com
- inbound20.luxsci.com
- inbound10.luxsci.com
MX Priorities
- inbound10.luxsci.com: 10
- inbound20.luxsci.com: 20
- inbound30.luxsci.com: 30
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 129.146.160.182 (no PTR)
- 74.81.189.232 ↩ rs6111.luxsci.com
- 132.145.176.64 (no PTR)
SOA Record
Raw SOA
bob.ns.cloudflare.com dns.cloudflare.com 2397950190 10000 2400 604800 1800
Primary NS (mname)
bob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397950190
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
irma.ns.cloudflare.com
bob.ns.cloudflare.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- ?v=spf1 include:_netblocks1.luxsci.com ~all?
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