Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cyberknight.tech
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 19:46:20 UTC · ↺ Refresh
MX Hostnames
- mx2-eu1.ppe-hosted.com
- mx1-eu1.ppe-hosted.com
- cyberknight-tech.mail.protection.outlook.com
MX Priorities
- mx1-eu1.ppe-hosted.com: 10
- mx2-eu1.ppe-hosted.com: 10
- cyberknight-tech.mail.protection.outlook.com: 20
A / AAAA Records
- 172.67.195.199 (no PTR)
- 104.21.60.104 (no PTR)
- 2606:4700:3031::ac43:c3c7
- 2606:4700:3031::6815:3c68
Mail Server IPs
- 185.132.181.16 ↩ mx1-eu1.ppe-hosted.com
- 91.209.104.155 ↩ mx1-eu1.ppe-hosted.com
- 91.209.104.156 ↩ mx2-eu1.ppe-hosted.com
- 185.132.181.17 ↩ mx2-eu1.ppe-hosted.com
- 52.101.148.1 ↩ mail-dx1p273cu00301.inbound.protection.outlook.com
- 52.101.147.1 ↩ mail-au1p273cu00101.inbound.protection.outlook.com
- 52.101.148.13 ↩ mail-dx2p273cu00205.inbound.protection.outlook.com
- 52.101.148.3 ↩ mail-dx3p273cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
lady.ns.cloudflare.com dns.cloudflare.com 2396869253 10000 2400 604800 1800
Primary NS (mname)
lady.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396869253
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lady.ns.cloudflare.com
todd.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf-eu.ppe-hosted.com include:transmail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
6 records- google-site-verification=mFXnmWHpYCmmatwMb2jUcGEgaxQTzQFXpAvs22zVs0w
- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLHcxQLIq7/C6saCxfwfgtsxPAJGvIbE87rKzLwFEJb2nGp66csVXphpG621CyBCC6CjrhncJqCNAJPnL4AhONg1ddUsidppwLLdHx+yc8PQdwOOaMw30R4nU7BTFrq/EgDzzI8ELNuSfpj5QLXwGz8il86w1sH1RUOQTf13TzZwIDAQAB
- ppe-2134b2dd902f624a84f078873ceeaa8adadce13f
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf-eu.ppe-hosted.com include:transmail.net -all
- v=verifydomain MS=9365337
- zoho-verification=zb15775180.zmverify.zoho.com
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cyberknight.tech
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits