bigyellow.co.uk

Valid Email Server
Domain Lookup › bigyellow.co.uk

Domain Overview

DNS: ✓ 8d ago Checker: ✓ 3mo ago
bigyellow.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 15:44:04 UTC · ↺ Refresh

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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

  • 45.223.18.249 (no PTR)
  • 45.223.28.249 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA dns1.safenames.com hostmaster.safenames.net 2026042702 28800 1800 604800 3600
Primary NS (mname)
dns1.safenames.com
Admin Email (rname)
hostmaster@safenames.net
Serial
2026042702
Refresh
28800s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns3.safenames.org
dns2.safenames.net
dns1.safenames.com

SPF Record

✓ Strict (-all)
v=spf1 include:eu._netblocks.mimecast.com include:kallidus-suite.com include:emailus.freshservice.com include:_spf.server.lon.liveperson.net ip4:109.70.58.0/24 ip4:78.136.22.139/32 ip4:83.138.176.154/32 ip4:212.64.146.233/32 ip4:131.145.85.114/32 ip4:192.254.125.237/32 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → 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
  • 9898e8fc272a4e5f92ad9fff75158762
  • MS=ms71278436
  • _globalsign-domain-verification=8SaHWbRBE8DWT8B494iRf__PRGUSesYb8TTc4-iFLh
  • google-site-verification=bGANnOiKGTw-2i8P4hlpDKi8YjN6wLp4_LSjZl_8UJ0
  • _globalsign-domain-verification=cyiULzaa4CdHNxMdL6g7OJZDOHLO7XhHO55F-0oOFd
  • wf5gx47yg4cwn73bkdg9pmrc88jqj7pt
  • ggx3wp18b051gcdrnz1dvj3sldnftm2v
  • c7afe94373404c8ab50a3d5aaa285e36
  • 7WBrAbpbQTbc60Bgvl9FYN/HJHcLQtPYBsWwFMpGg8jPyhGv14fm911WbXbvDF0kycolxPMnVDk+wbBJ0r2QCg==
  • SPFv=spf1 include:eu._netblocks.mimecast.com include:kallidus-suite.com include:emailus.freshservice.com include:_spf.server.lon.liveperson.net ip4:109.70.58.0/24 ip4:78.136.22.139/32 ip4:83.138.176.154/32 ip4:212.64.146.233/32 ip4:131.145.85.114/32 ip4:192.254.125.237/32 -all
  • 7b9b1b47c3094dd9b0135084569914e2
  • 7d1479cdc15795f5093592aa9521841ec159b838
  • ibmid=54497248-a948-4b1d-9ecb-78d52574bbdd\148
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