Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ptchronos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 15:08:42 UTC · ↺ Refresh
MX Hostnames
- ptchronos-com.mail.protection.outlook.com
MX Priorities
- ptchronos-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.13.145 (no PTR)
- 104.18.12.145 (no PTR)
- 2606:4700::6812:d91
- 2606:4700::6812:c91
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
scott.ns.cloudflare.com dns.cloudflare.com 2399906919 10000 2400 604800 1800
Primary NS (mname)
scott.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399906919
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tani.ns.cloudflare.com
scott.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ptr ip4:216.113.25.4/32 ip4:207.61.253.219/32 ip4:216.113.25.26/32 ip4:207.61.253.215/32 ip4:207.61.253.216/32 include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.salesforce.com include:sendgrid.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
7 records- google-site-verification=hD8ZZ4dP3mdeiptYndUnkUEqq33bc_FGCu55XhC_JM8
- pt-web-globalsas.azurewebsites.net
- SPFv=spf1 mx a ptr ip4:216.113.25.4/32 ip4:207.61.253.219/32 ip4:216.113.25.26/32 ip4:207.61.253.215/32 ip4:207.61.253.216/32 include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.salesforce.com include:sendgrid.net -all
- 601dcf55460441b5a710eb5cf221476b
- 8x7q28nn4cpkvvmyl4nzdslfj1z1t5vd
- MS=ms78961265
- dcsyz91p06kw2r5jtyqlyvxwt36kpdt6
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 ptchronos.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits