Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cytekbio.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:03:47 UTC · ↺ Refresh
MX Hostnames
- d244133b.ess.barracudanetworks.com
- d244133a.ess.barracudanetworks.com
MX Priorities
- d244133b.ess.barracudanetworks.com: 20
- d244133a.ess.barracudanetworks.com: 10
A / AAAA Records
- 23.227.38.32 ↩ myshopify.com
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
mns01.domaincontrol.com dns.jomax.net 2026032701 28800 7200 604800 600
Primary NS (mname)
mns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026032701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
mns01.domaincontrol.com
mns02.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:shops.shopify.com include:emailus.freshservice.com include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:6765000.spf03.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=tuikVm6S-htlrS-Edu501g8pGdiJ2qJc8tIUDKr9zFU
- MS=ms15497873
- atlassian-domain-verification=0Ra0nxbs/P9axwR9TK9LQKTxfguvfR6QUnwRbiwS6HSm4L0cgQeiCycHdkgd22h3
- 3.142.252.32
- SPFv=spf1 include:spf.protection.outlook.com include:shops.shopify.com include:emailus.freshservice.com include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:6765000.spf03.hubspotemail.net -all
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