custard.co.uk

Valid Email Server
Domain Lookup › custard.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
custard.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 23:33:01 UTC · ↺ Refresh

MX Hostnames

  • custard-co-uk.mail.protection.outlook.com

MX Priorities

  • custard-co-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 99.83.231.61 ↩ acd89244c803f7181.awsglobalaccelerator.com
  • 75.2.60.5 ↩ acd89244c803f7181.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA cosmin.ns.cloudflare.com dns.cloudflare.com 2398789396 10000 2400 604800 1800
Primary NS (mname)
cosmin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398789396
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

hazel.ns.cloudflare.com
cosmin.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.elasticemail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

5 records
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.elasticemail.com -all
  • 12bd8x0njgqyp7ny0r9j5tzb01v31bxl
  • facebook-domain-verification=3vi87i7ifei7dxusob9s1vdurtps0u
  • google-site-verification=wl7RP4m70oZFe-LoXgUB0-UsmiFGiIzslsIR8SavElI
  • n2h3bt741ly2vmx2hs0dxjx5h36tvbgj
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 custard.co.uk

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits