Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
wintercompanies.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-18 11:03:56 UTC ยท โบ Refresh
MX Hostnames
- wintercompanies-com.mail.protection.outlook.com
MX Priorities
- wintercompanies-com.mail.protection.outlook.com: 10
A / AAAA Records
- 40.70.245.12 (no PTR)
Mail Server IPs
- 52.101.41.56 โฉ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.10.14 โฉ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.50.10 โฉ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f90c:: โฉ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 โฉ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 โฉ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 โฉ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2026012401 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns52.domaincontrol.com
ns51.domaincontrol.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.zohomail360.com include:spf.protection.outlook.com include:spf.happyfox.com include:servers.mcsv.net include:spf.salesforce.com ip4:50.200.168.210 ip4:208.185.229.0/24 ip4:54.240.43.6 ip4:54.240.43.7 -all
๐ DNS lookups: 5/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected],mailto:[email protected]
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- docusign=0bd2d782-c8dc-4315-a4d1-ad1304051b8e
- SPFv=spf1 include:spf.zohomail360.com include:spf.protection.outlook.com include:spf.happyfox.com include:servers.mcsv.net include:spf.salesforce.com ip4:50.200.168.210 ip4:208.185.229.0/24 ip4:54.240.43.6 ip4:54.240.43.7 -all
- google-site-verification=aprJHkJaZ7IjAcWUz4hp8HnVTtoK2eThwWtuTV3czaE
- knowbe4-site-verification=7fb2b3e41205c13ce4997a4cc41ca929
- dropbox-domain-verification=8ksxdhnfc8uj
- teamviewer-sso-verification=2986f67dbad04557b08a6dce4524019d
- ZOOM_verify_PVId5CDnQcS7gFCZSpe92w
- teamviewer-sso-verification=7016ea44d11c48cc836f1573efc74c0d
- apple-domain-verification=v1why3LNsPwbfT6W
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for wintercompanies.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits