rct.uk

Valid Email Server
Domain Lookup › rct.uk
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rct.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 18:33:15 UTC · ↺ Refresh

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MX Hostnames

  • rct-uk.mail.protection.outlook.com

MX Priorities

  • rct-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.18.25.48 (no PTR)
  • 104.18.24.48 (no PTR)
  • 2606:4700::6812:1830
  • 2606:4700::6812:1930

Mail Server IPs

  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ivan.ns.cloudflare.com dns.cloudflare.com 2413752552 10000 2400 604800 1800
Primary NS (mname)
ivan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413752552
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ivan.ns.cloudflare.com
mia.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:176.74.169.140 ip4:213.120.211.50 ip4:148.253.186.43 ip4:148.253.173.24 ip4:52.124.61.0/24 ip4:213.120.211.51 ip4:213.120.211.59 ip4:213.120.211.58 ip4:148.253.186.33 ip4:213.120.211.62 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net include:em5112.rct.uk include:em1050.rct.uk include:_spf.distribution.vueliopm.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;adkim=s;aspf=s;fo=1;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]

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

13 records
  • MS=ms28677756
  • google-site-verification=YkGpLNmPXZKMea4MW7RDHRTimw13P2o_POzGrDrBIsA
  • google-site-verification=e3WowRXJitJg1XY8fzSAgfLnhyQJgGCEh1qLEgO9JFY
  • google-site-verification=ixbIV8EJ7jHpaltVn25YeFwnGQ-ZgMN-dmmFyDxK-Mk
  • BPL=1693258
  • SPFv=spf1 ip4:176.74.169.140 ip4:213.120.211.50 ip4:148.253.186.43 ip4:148.253.173.24 ip4:52.124.61.0/24 ip4:213.120.211.51 ip4:213.120.211.59 ip4:213.120.211.58 ip4:148.253.186.33 ip4:213.120.211.62 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net include:em5112.rct.uk include:em1050.rct.uk include:_spf.distribution.vueliopm.com ~all
  • facebook-domain-verification=so42huskhy9jnlkt252847n2inch4f
  • atlassian-domain-verification=RDBOZMOgyJavBBvnUe418x5NGypPAkdo7EjStTdIsu8auokGeiCnyBIUOs7BcsSz
  • google-site-verification=lQEeRO9-7jHeCHv__xIgUuvJH4mLpG6fqIuRL2RxvEk
  • E0G0S22933
  • google-site-verification=o0_iiy0sdAK7dhk-rDrvlZEaU3m6CQ9zb23FKL2aFoU
  • PZs+tC8aRi6iIjb50a5fkBEhwAHG1aS7RCbmm4atribYrpMfM82/BQp0cX8/sdnUx9qZPpLPZVGPNUk5tj3EoQ==
  • google-site-verification=15Fb7YU8cPTINW2ZBHxk4MOmmXGMAyR0_TKUx30fz14
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