Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
harco.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 03:53:42 UTC · ↺ Refresh
MX Hostnames
- harco-net.mail.protection.outlook.com
MX Priorities
- harco-net.mail.protection.outlook.com: 0
A / AAAA Records
- 45.56.70.213 ↩ vps245.opalstack.com
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
amit.ns.cloudflare.com dns.cloudflare.com 2396875599 10000 2400 604800 1800
Primary NS (mname)
amit.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396875599
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ara.ns.cloudflare.com
amit.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:174.46.21.16/29 ip4:64.132.32.197/32 ip4:174.46.21.230/32 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- SPFv=spf1 mx ip4:174.46.21.16/29 ip4:64.132.32.197/32 ip4:174.46.21.230/32 include:spf.protection.outlook.com ~all
- MS=ms85507085
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 harco.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits