Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usto.re
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 09:15:37 UTC · ↺ Refresh
MX Hostnames
- mail.usto.re
MX Priorities
- mail.usto.re: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 200.178.83.3 ↩ mail.umail.usto.re
SOA Record
Raw SOA
aliza.ns.cloudflare.com dns.cloudflare.com 2399862369 10000 2400 604800 1800
Primary NS (mname)
aliza.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399862369
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aliza.ns.cloudflare.com
nero.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.usto.re ip4:200.178.83.0/29 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
3 records- google-site-verification=pZMz2veMCJP8sLgHpn303sz6_qiclEBkr46kFkJ133M
- SPFv=spf1 mx a:mail.usto.re ip4:200.178.83.0/29 -all
- MS=ms58818287
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