Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jk-development.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 20:29:23 UTC · ↺ Refresh
MX Hostnames
- jkdevelopment-ch0e.mail.protection.outlook.com
MX Priorities
- jkdevelopment-ch0e.mail.protection.outlook.com: 0
A / AAAA Records
- 149.126.4.71 ↩ s062.cyon.net
Mail Server IPs
- 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
- 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
- 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
adrian.ns.cloudflare.com dns.cloudflare.com 2398808108 10000 2400 604800 1800
Primary NS (mname)
adrian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398808108
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
adrian.ns.cloudflare.com
seth.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.crsend.com include:_spf.google.com include:spf.protection.outlook.com include:_spf.bexio.com include:25873455.spf07.hubspotemail.net include:one.zoho.com include:eu.zcsend.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- zoho-verification=zb78095630.zmverify.zoho.com
- MS=ms15732130
- Sendinblue-code:5f44d4922d8205437e8e771a519e3719
- google-site-verification=--wJy5U0wPVntgv81Dpc7kqx3jJXFTftcUZnQQEi3a4
- SPFv=spf1 include:spf.crsend.com include:_spf.google.com include:spf.protection.outlook.com include:_spf.bexio.com include:25873455.spf07.hubspotemail.net include:one.zoho.com include:eu.zcsend.net -all
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