Domain Overview
DNS: ✓ 17d ago
Checker: ✓ 17d ago
tec21.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-11 09:31:22 UTC · ↺ Refresh
MX Hostnames
- espazium.onice.io
MX Priorities
- espazium.onice.io: 5
A / AAAA Records
- 91.205.148.158 ↩ espazium-ws2.exigo.ch
Mail Server IPs
- 185.138.222.228 ↩ espazium.onice.io
SOA Record
Raw SOA
ns1.swiss-dns.com verlag.espazium.ch 2026010502 10800 3600 604800 86400
Primary NS (mname)
ns1.swiss-dns.com
Admin Email (rname)
verlag@espazium.ch
Serial
2026010502
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.swiss-dns.com
ns3.swiss-dns.com
ns2.swiss-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:espazium.onice.io -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 include:espazium.onice.io -all
- 81dyk78wcbpnj5x11xbv165g3tgy0vjx
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