jnp.co.uk

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
jnp.co.uk
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-30 21:09:03 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

  • jnp-co-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.26.9.106 (no PTR)
  • 172.67.73.151 (no PTR)
  • 104.26.8.106
  • 2606:4700:20::ac43:4997
  • 2606:4700:20::681a:86a
  • 2606:4700:20::681a:96a

Mail Server IPs

  • 52.101.99.2 โ†ฉ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.99.0 โ†ฉ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.89.1 โ†ฉ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.89.2 โ†ฉ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 โ†ฉ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 โ†ฉ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: โ†ฉ mail-cwxp265cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::1 โ†ฉ mail-lo3p265cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA chin.ns.cloudflare.com dns.cloudflare.com 2398881666 10000 2400 604800 1800
Primary NS (mname)
chin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398881666
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

chin.ns.cloudflare.com
leo.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:31.24.110.180 ip4:31.24.110.181 ip4:31.24.110.179 ip4:85.119.248.0/24 ip4:52.48.58.165 ip4:54.171.78.196 ip4:54.154.107.20 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:208.185.229.0/24 ip4:208.185.235.0/24 include:spf.mailanyone.net include:spf.lsli.co.uk include:spf.antispamcloud.com include:mail.briefyourmarket.com include:amazonses.com -all
๐Ÿ“Š DNS lookups: 6/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 include:spf.protection.outlook.com ip4:31.24.110.180 ip4:31.24.110.181 ip4:31.24.110.179 ip4:85.119.248.0/24 ip4:52.48.58.165 ip4:54.171.78.196 ip4:54.154.107.20 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:208.185.229.0/24 ip4:208.185.235.0/24 include:spf.mailanyone.net include:spf.lsli.co.uk include:spf.antispamcloud.com include:mail.briefyourmarket.com include:amazonses.com -all
  • amazonses:1hSf8oYwoDBZWS2GTxI0SRqk7eVnBQgrWWkdIlHKSHs=
  • docusign=f93d3023-5dc9-4124-a3a0-7f99bb03904e
  • google-site-verification=XfDubir3zHnxpCF1GHpUhlhTEscuZwkMug3RJjVzSPs
  • q5ubmjb0jktdno5bo13mooduok
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for jnp.co.uk

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

No credit card required
Get 1,000 Free Credits