Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
qtthredbo.com
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-01 22:13:13 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 172.67.203.242 (no PTR)
- 104.21.34.112 (no PTR)
- 2606:4700:3030::6815:2270 (no PTR)
- 2606:4700:3036::ac43:cbf2 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
irma.ns.cloudflare.com dns.cloudflare.com 2404090306 10000 2400 604800 1800
Primary NS (mname)
irma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404090306
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
irma.ns.cloudflare.com
trace.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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 include:sendgrid.net -all
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