Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rydon.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 20:17:38 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-2.mimecast.com
- eu-smtp-inbound-1.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 172.67.179.74 (no PTR)
- 104.21.59.143 (no PTR)
- 2606:4700:3031::ac43:b34a (no PTR)
- 2606:4700:3030::6815:3b8f (no PTR)
Mail Server IPs
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
elmo.ns.cloudflare.com dns.cloudflare.com 2399423034 10000 2400 604800 1800
Primary NS (mname)
elmo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399423034
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elmo.ns.cloudflare.com
riya.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.42.162.31 include:eu._netblocks.mimecast.com include:sendgrid.net ip4:162.209.58.11 include:spf.hosted.jaama.co.uk ip4:192.254.125.237 ip4:20.49.163.140 ip4:217.72.254.250 ip4:37.244.88.0/24 ip4:85.133.123.0/24 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- globalsign-domain-verification=Pe2CuM86Ci0emPJDpam8Yh6yEloo9tHknn6joZ57QP
- globalsign-domain-verification=ePQoEkFibllNArzT-gNq1owhJsTmKHZxJ02Xsk1vJn
- sharepointserver=https://rydongroup.sharepoint.com/harmonieFiles
- SPFv=spf1 ip4:212.42.162.31 include:eu._netblocks.mimecast.com include:sendgrid.net ip4:162.209.58.11 include:spf.hosted.jaama.co.uk ip4:192.254.125.237 ip4:20.49.163.140 ip4:217.72.254.250 ip4:37.244.88.0/24 ip4:85.133.123.0/24 -all
- access-domain-verification=33ac6a06b83f23dd1b1b8984b30bd8747b518639f90f28716d59fd1f6b369a8f
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