Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
help.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 11:36:45 UTC · ↺ Refresh
MX Hostnames
- antispam.nextron.ch
MX Priorities
- antispam.nextron.ch: 5
A / AAAA Records
- 193.108.136.177 ↩ sv7.helpmedia.ch
Mail Server IPs
- 193.108.137.9 ↩ antispam.nextron.ch
SOA Record
Raw SOA
dns.nextron.ch hostmaster.nextron.ch 2026032602 10800 1800 604800 3600
Primary NS (mname)
dns.nextron.ch
Admin Email (rname)
hostmaster@nextron.ch
Serial
2026032602
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns3.nextron.ch
dns.nextron.ch
dns2.nextron.ch
SPF Record
✓ Strict (-all)
v=spf1 a:sv1.helpmedia.ch a:sv2.helpmedia.ch a:sv7.helpmedia.ch a:sv9.helpmedia.ch include:spf.nextron.ch include:144336872.spf07.hubspotemail.net include:_spf.google.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 342 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
2 records- SPFv=spf1 a:sv1.helpmedia.ch a:sv2.helpmedia.ch a:sv7.helpmedia.ch a:sv9.helpmedia.ch include:spf.nextron.ch include:144336872.spf07.hubspotemail.net include:_spf.google.com -all
- google-site-verification=VQD2eEkQNchtWFPHTfKPIrWWNJM5eqKkbdwvJc13v74
Full email verification for help.ch
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