sigplc.co.uk

Valid Email Server
Domain Lookup › sigplc.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-31 22:26:02 UTC · ↺ Refresh

MX Hostnames

  • eu-smtp-inbound-1.mimecast.com
  • eu-smtp-inbound-2.mimecast.com

MX Priorities

  • eu-smtp-inbound-2.mimecast.com: 10
  • eu-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 104.18.21.157 (no PTR)
  • 104.18.20.157 (no PTR)
  • 2606:4700::6812:159d (no PTR)
  • 2606:4700::6812:149d (no PTR)

Mail Server IPs

  • 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA paul.ns.cloudflare.com dns.cloudflare.com 2396637706 10000 2400 604800 1800
Primary NS (mname)
paul.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396637706
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

paul.ns.cloudflare.com
sue.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.uat-sig.uat.corrivo.online include:spf.sig.corrivo.io include:msgfocus.com include:eu._netblocks.mimecast.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

7 records
  • 866e7bc17d0e1a5483a688dbb0175b1e
  • MS=ms68519372
  • cWZsSYdMwFVFLI1HvSY/zgWC5ZdgU5WjQS4T2V66Tyw24DeiS1kb85g/4MftyLjsTWIWUZPBwIIg6uCldUHf7g==
  • docusign=0ccf9331-1474-4671-9761-b1da33a9ff7c
  • docusign=ed45b1f1-c8cc-409e-a863-343442417f3a
  • SPFv=spf1 include:spf.uat-sig.uat.corrivo.online include:spf.sig.corrivo.io include:msgfocus.com include:eu._netblocks.mimecast.com -all
  • workplace-domain-verification=sLgWssLBwnI5K8GSD39lKTxwtzT7RS
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