Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
okta-authcdn.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-19 06:47:18 UTC · ↺ Refresh
MX Hostnames
- mx3.larksuite.com
- mx1.larksuite.com
- mx2.larksuite.com
MX Priorities
- mx1.larksuite.com: 1
- mx3.larksuite.com: 10
- mx2.larksuite.com: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 18.139.153.173 ↩ ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
- 122.14.230.154 (no PTR)
- 101.126.58.223 (no PTR)
SOA Record
Raw SOA
a.misconfigured.dns.server.invalid hostmaster.okta-authcdn.com 2026042424 10800 3600 604800 3600
Primary NS (mname)
a.misconfigured.dns.server.invalid
Admin Email (rname)
hostmaster@okta-authcdn.com
Serial
2026042424
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns.mynymdns.me
dns.mynymdns.st
SPF Record
✓ Strict (-all)
v=spf1 +include:spf.onlarksuite.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
3 records- SPFv=spf1 +include:spf.onlarksuite.com -all
- verification-code-site-App_lark=WQIlRtNvVRTWt27IxQux
- hosted-email-verify=0ucr8g4p
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