Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
gestinet.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 04:10:22 UTC · ↺ Refresh
MX Hostnames
- gestinet-com.mail.protection.outlook.com
MX Priorities
- gestinet-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.131.23 (no PTR)
- 104.21.3.185 (no PTR)
- 2606:4700:3036::6815:3b9
- 2606:4700:3032::ac43:8317
Mail Server IPs
- 52.101.103.143 ↩ mail-miypr03cu00107.inbound.protection.outlook.com
- 52.101.91.156 ↩ mail-maspr04cu00104.inbound.protection.outlook.com
- 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
- 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
curt.ns.cloudflare.com dns.cloudflare.com 2415561082 10000 2400 604800 1800
Primary NS (mname)
curt.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415561082
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
june.ns.cloudflare.com
curt.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.createsend.com include:mailgun.org ip4:149.71.97.200 ip4:45.130.18.82 ip4:217.150.213.222 ip4:149.86.234.21 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
2 records- linkedin-site-verification=fa0f26f7-2dd9-47f5-ace3-3516ef2656a4
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.createsend.com include:mailgun.org ip4:149.71.97.200 ip4:45.130.18.82 ip4:217.150.213.222 ip4:149.86.234.21 -all
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 · Customize →
See demo & docs
Deep verification
Full email verification for gestinet.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits