Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kongresshaus.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 19:37:51 UTC · ↺ Refresh
MX Hostnames
- mx4.stadt-zuerich.ch
- mx3.stadt-zuerich.ch
MX Priorities
- mx4.stadt-zuerich.ch: 50
- mx3.stadt-zuerich.ch: 10
A / AAAA Records
- 217.150.252.60 ↩ partnerundpartner04-1.nine.ch
Mail Server IPs
- 194.56.33.13 ↩ mx4.stadt-zuerich.ch
- 194.56.33.12 ↩ mx3.stadt-zuerich.ch
SOA Record
Raw SOA
ns1.stzh.ch dnsmaster.zuerich.ch 2100000578 120 3600 604800 600
Primary NS (mname)
ns1.stzh.ch
Admin Email (rname)
dnsmaster@zuerich.ch
Serial
2100000578
Refresh
120s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.stzh.ch
ns1.sunrise.ch
ns1.stzh.ch
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mail.ommail.ch ip4:194.56.33.0/26 ip4:54.246.220.150 ip4:54.246.224.90 include:sendgrid.net include:servers.mcsv.net include:spf.mandrillapp.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 a mx a:mail.ommail.ch ip4:194.56.33.0/26 ip4:54.246.220.150 ip4:54.246.224.90 include:sendgrid.net include:servers.mcsv.net include:spf.mandrillapp.com ~all
- apple-domain-verification=EX2yxarqITmA9ihc
- adobe-idp-site-verification=ee014bff92a2c10cad3fdeb8891c0d583ad0e7c76278f80c4e5c1025f8f15c9a
- MS=ms70753347
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