Information about the disposable email domain mail4.uk

Information about the mail4.uk email domain and its DNS records. This domain is associated with high fraud risk and is often used by fraudsters and bots for fake accounts creation and abuse. We recommend blocking these emails.

This email domain is linked to the disposable email provider m.kuku.lu and was first observed by our system on 12/3/2025.

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⚠️Domain Status

Domain Name

mail4.uk

Disposable

Yes

Fraud Risk

High

Domain Information

Domain Creation Date	`17-May-2024`
Domain Update Date	`17-Apr-2025`
Domain Expiration Date	`17-May-2026`

Registrar Information

Registrar Name	`Cloudflare, Inc. [Tag = CLOUDFLARE]`
Registrar ID	`NA`

DNS Records

MX Records (Mail Exchange)

 [
  {
    "exchange": "recv1.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv100.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv101.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv2.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv3.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv4.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv5.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv6.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv7.erinn.biz",
    "priority": 10
  },
  {
    "exchange": "recv8.erinn.biz",
    "priority": 10
  }
]

DNS TXT Records	`v=spf1 +ip4:160.251.105.49 +ip4:160.251.83.199 +ip4:150.95.203.144 +ip4:133.130.97.143 +ip4:160.251.83.161 +ip4:133.130.99.7 +ip4:133.130.89.189 +ip4:160.251.83.189 +ip4:160.251.96.188 +ip4:160.251.107.179 +ip4:160.16.149.19 -all`
DNS NS Record	`clint.ns.cloudflare.com,sofia.ns.cloudflare.com`
DNS CNAME Record	`NA`

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