Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
zero-day.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-12 08:10:35 UTC · ↺ Refresh
MX Hostnames
- mail.zero-day.ch
MX Priorities
- mail.zero-day.ch: 0
A / AAAA Records
- 46.252.147.121 ↩ hostingweb47-121.netsons.net
Mail Server IPs
- 46.252.147.121 ↩ hostingweb47-121.netsons.net
SOA Record
Raw SOA
dns1.netsons.net admin.netsons.com 2026041004 3600 2400 604800 3600
Primary NS (mname)
dns1.netsons.net
Admin Email (rname)
admin@netsons.com
Serial
2026041004
Refresh
3600s
Retry
2400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns4.netsons.net
dns2.netsons.net
dns1.netsons.net
dns3.netsons.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:46.252.147.121 include:mail.zero-day.ch -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:46.252.147.121 include:mail.zero-day.ch -all
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