Is hag.no valid?
hag.no is an invalid email domain. Block invalid domains with the free Check-Mail API.
hag.no is an invalid domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this invalid domain. If a user is trying to sign-up using an e-mail on this domain, it's likely a typo, or a malicious attempt.
Raw API JSON response:
{
"valid": false,
"block": true,
"domain": "hag.no",
"base_domain": "hag.no",
"text": "Domain's DNS is not responding",
"reason": "unresolvable",
"risk": 45,
"is_disposable": false,
"is_email_forwarder": false,
"is_public_free": false,
"is_public_premium": false,
"is_business_provider": false,
"is_isp_email": false,
"is_email_api": false,
"is_web_hosting_email": false,
"is_self_hosted": false,
"is_parked": false,
"is_role_based_email": false,
"mx_host": "hag.no",
"mx_ip": "52.101.68.5",
"mx_info": "No MX-pointer in DNS record. Using domain: hag.no",
"mx_fallback": true,
"mx_hosts": [
"hag.no"
],
"mx_ips": [
"52.101.68.5"
],
"mx_priorities": [],
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": 9855,
"domain_created_at": "1999-11-14T00:00:00+00:00",
"block_status_changed_at": "2026-10-22T18:01:04+00:00"
}
Status: Domain's DNS is not responding
Domain risk: 45
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Technical Details for hag.no
Risk Score
45 / 100
MX Host
hag.no
Last updated: Oct 22, 2026
hag.no Domain Age
hag.no was registered on November 14, 1999 and is 27 years old.
How to Block hag.no
You can automatically block hag.no and thousands of other disposable and fraudulent email domains using the free Check-Mail API. Simply query the API with any email domain to get an instant block recommendation.
Example API request:
curl -X POST "https://api.check-mail.org/v2/" \ -H "Authorization: Bearer YOUR_API_KEY" \ -d "domain=hag.no"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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