Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
hotbrev.com
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 03:22:16 UTC · ↺ Refresh
MX Hostnames
- mx1.oresundnet.com
MX Priorities
- mx1.oresundnet.com: 10
A / AAAA Records
- 104.21.81.97 (no PTR)
- 172.67.189.16 (no PTR)
- 2606:4700:3031::ac43:bd10 (no PTR)
- 2606:4700:3035::6815:5161 (no PTR)
Mail Server IPs
- 216.55.105.99 ↩ sydbo.com
SOA Record
Raw SOA
gina.ns.cloudflare.com dns.cloudflare.com 2402311640 10000 2400 604800 1800
Primary NS (mname)
gina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402311640
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ian.ns.cloudflare.com
gina.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:216.55.105.99 ip4:5.200.23.12 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- SPFv=spf1 mx a ip4:216.55.105.99 ip4:5.200.23.12 ~all
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