Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
3tech.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 23:50:30 UTC · ↺ Refresh
MX Hostnames
- mail.3tech.net
MX Priorities
- mail.3tech.net: 5
A / AAAA Records
- 202.155.236.242 (no PTR)
Mail Server IPs
- 183.178.182.196 ↩ mxufm06.ufm.com.hk
SOA Record
Raw SOA
ns1.fs-match.com root.ns1.fs-match.com 2026010802 10800 3600 604800 38400
Primary NS (mname)
ns1.fs-match.com
Admin Email (rname)
root@ns1.fs-match.com
Serial
2026010802
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns2.fs-match.com
ns1.fs-match.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- _1yq1n9i87dxxarqrublghgb8exg1yta
- brevo-code:8d4506159f8a9148e7cedaacbf85ac7c
- SPFv=spf1 a mx ptr ?all
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