ad-optimum.ch

Valid Email Server
Domain Lookup › ad-optimum.ch
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ad-optimum.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-13 13:14:14 UTC · ↺ Refresh

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MX Hostnames

  • elba.iway.ch
  • malta.iway.ch

MX Priorities

  • elba.iway.ch: 20
  • malta.iway.ch: 20

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 212.25.24.41 ↩ elba.iway.ch
  • 2001:8e0:40:325::41 ↩ elba.iway.ch
  • 212.25.24.40 ↩ malta.iway.ch
  • 2001:8e0:40:325::40 ↩ malta.iway.ch

SOA Record

Raw SOA ns1.as8758.net hostmaster.as8758.net 2026042700 86400 7200 1209600 86400
Primary NS (mname)
ns1.as8758.net
Admin Email (rname)
hostmaster@as8758.net
Serial
2026042700
Refresh
86400s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.as8758.net
ns5.as8758.net
ns2.as8758.net
ns1.as8758.net
ns3.as8758.net

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.iway.ch -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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 a include:spf.iway.ch -all
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