Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
hsecontractors.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-02 10:20:52 UTC ยท โบ Refresh
MX Hostnames
- hsecontractors-com.mail.protection.outlook.com
MX Priorities
- hsecontractors-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.16.151.108 (no PTR)
- 104.16.150.108 (no PTR)
- 2606:4700::6810:966c
- 2606:4700::6810:976c
Mail Server IPs
- 52.101.68.36 โฉ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.15 โฉ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.5 โฉ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.27 โฉ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 โฉ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b โฉ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 โฉ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 โฉ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
gail.ns.cloudflare.com dns.cloudflare.com 2397212482 10000 2400 604800 1800
Primary NS (mname)
gail.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397212482
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gail.ns.cloudflare.com
rohin.ns.cloudflare.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
โ Reject โ strongest protection
๐ SPF alignment: Strict
ยท DKIM alignment: Strict
๐ง Reports โ mailto:[email protected]
โณ Subdomain policy: reject
DKIM Selectors
โ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net -all
- ahrefs-site-verification_48e31fde135593f7b0212af3775b02fd5b388e2687471ca877143c59dd3a9180
- pinterest-site-verification=b447ae0ef221712a9a93b05de6423a1d
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 hsecontractors.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits