Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rblocksmithservices.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 01:44:39 UTC · ↺ Refresh
MX Hostnames
- mx2.cloudhosting.co.uk
- mx1.cloudhosting.co.uk
MX Priorities
- mx2.cloudhosting.co.uk: 20
- mx1.cloudhosting.co.uk: 10
A / AAAA Records
- 104.21.80.142 (no PTR)
- 172.67.185.104 (no PTR)
- 2606:4700:3032::6815:508e (no PTR)
- 2606:4700:3033::ac43:b968 (no PTR)
Mail Server IPs
- 185.53.56.47 ↩ mx2.strikemail.co.uk
- 185.53.56.45 ↩ mx2.strikemail.co.uk
- 185.53.56.46 ↩ mx1.strikemail.co.uk
- 185.53.56.44 ↩ mx1.strikemail.co.uk
SOA Record
Raw SOA
colette.ns.cloudflare.com dns.cloudflare.com 2398572309 10000 2400 604800 1800
Primary NS (mname)
colette.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398572309
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
colette.ns.cloudflare.com
jonah.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:62.100.205.225 include:relay.mailchannels.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +mx +a +ip4:62.100.205.225 include:relay.mailchannels.net ~all
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