Home Domain Lookup holocard.net
Safe

holocard.net Email Domain Risk Check

Safe email domain

This domain appears to use valid mail infrastructure and is not listed as temporary or disposable.

Domain Resolves
Yes
Has MX Records
Yes
Disposable
No
Free Provider
No
Shared MX
No
Classification
Disposable / Temporary No Listed as a temporary / disposable email provider.
Free Email Provider No Public webmail service (Gmail, Outlook, Yandex…).
Business Domain No Likely an organization-owned email domain.
Shared Mail Infrastructure No Uses a multi-tenant inbound MX (Workspace, M365, Yandex…).
Has MX Records Yes DNS-resolvable mail-exchanger records.
MX Records & Mail Server
mail.holocard.net
mail1.holocard.net
mail2.holocard.net
Provider
Self-hosted
Email Authentication
SPF Present Declares which servers may send mail for this domain.
DKIM Present Cryptographically signs outgoing mail so recipients can verify it.
DMARC Present Tells receivers how to handle mail that fails SPF or DKIM.
mail.holocard.net Mail Server Location
IP GEO
IP Address
166.122.98.133
Location
Honolulu, United States
ASN
6360 - University of Hawaii
Hostname
mail.holocard.net
mail1.holocard.net Mail Server Location
IP GEO
IP Address
206.195.187.36
Location
Honolulu, United States
ASN
46744 - City and County of Honolulu
Hostname
mail1.holocard.net
mail2.holocard.net Mail Server Location
IP GEO
IP Address
206.195.187.37
Location
Honolulu, United States
ASN
46744 - City and County of Honolulu
Hostname
mail2.holocard.net
API response for this domain
200 OK
GET /api/v1/domain/holocard.net?key=YOUR_API_KEY
{
  "domain": "holocard.net",
  "email": "",
  "input": "holocard.net",
  "input_type": "domain",
  "request_id": "req_example",
  "result": {
    "allowlisted": false,
    "blocked": false,
    "business_email": false,
    "cached": true,
    "disposable": false,
    "domain_exists": true,
    "free_provider": false,
    "has_mx": true,
    "level": "low",
    "mx_ip_address": [
      "166.122.98.133",
      "206.195.187.36",
      "206.195.187.37",
      "206.195.188.196",
      "206.195.188.36",
      "206.195.188.37"
    ],
    "mx_ip_match": false,
    "mx_records": [
      "mail.holocard.net",
      "mail1.holocard.net",
      "mail2.holocard.net"
    ],
    "recommendation": "allow",
    "review_required": true,
    "safe": true,
    "shared_mx": false,
    "temporary": false,
    "verdict": "safe"
  }
}
Pro tip
Monitor signups with RiskMail

One GET request returns a clean disposable / safe verdict you can drop into any signup or login flow.

Mail server report · holocard.net

Corporate domain report: holocard.net

holocard.net is an established corporate domain operated by an organisation, with proper MX configuration and no risk signals. Addresses on this domain are safe to allow in registration flows, lead capture, and any other place where you'd accept a known-good email.

The domain has been registered for many years, uses a reputable mail provider, and does not appear on any of riskmail.io's risk lists. Our recommendation is allow. You don't need any additional verification beyond the standard email-confirmation step you'd run for any other corporate address.

Signals & methodology

A clean verdict is not just the absence of red flags; it is the convergence of several positive signals. The domain has a stable MX record set, no overlap with the throwaway registries we monitor, and a mail provider that publishes both SPF and DKIM. Reputation is recomputed on every lookup, so if any of those positive signals were to change tomorrow, the response would change with them — there is no manual list of "blessed" domains that goes stale over time.

How to handle this in your product

Treat the allow response as confirmation that the domain class is fine, not as a substitute for the email-confirmation step you already run. Capture the verdict alongside the user record so it's available for downstream fraud scoring; if the domain ever gets flagged later, you'll already know which existing accounts came from it. For B2B funnels, the signal that this is a corporate domain (rather than a free webmail address) is also useful for routing the lead to a different sales workflow.

This report is generated by the RiskMail Email Risk API and reflects the most recent signal pipeline run for holocard.net.

Trust corporate domains like holocard.net while still catching the disposable ones in the same API call.
Try the API Read docs

Frequently asked questions

Is holocard.net a disposable email domain?
Based on current signals RiskMail does not classify holocard.net as disposable. The verdict and recommendation above explain the classification in detail.
Does holocard.net have MX records?
Yes — holocard.net publishes MX records. The MX hosts (and their resolved IPs when available) are listed in the report above.
Should I block signups from holocard.net?
RiskMail does not currently recommend blocking holocard.net. Combine this verdict with your own product signals before deciding.
How does RiskMail classify holocard.net?
RiskMail returns a verdict based on classification sources, MX records, and shared-infrastructure signals — see the page above for the full breakdown.
Can I re-check holocard.net?
Yes — use the Re-check button on this page. Each public domain re-check is rate-limited to once every 24 hours by default to protect upstream DNS servers.
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