Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
istcarpentry.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 07:55:04 UTC · ↺ Refresh
MX Hostnames
- mx06.rackhost.hu
- alt2-mx.rackhostmx.com
MX Priorities
- alt2-mx.rackhostmx.com: 20
- mx06.rackhost.hu: 10
A / AAAA Records
- 172.67.219.107 (no PTR)
- 104.21.62.35 (no PTR)
- 2606:4700:3031::ac43:db6b (no PTR)
- 2606:4700:3030::6815:3e23 (no PTR)
Mail Server IPs
- 192.241.141.84 ↩ alt2-mx.rackhostmx.com
- 91.227.138.4 ↩ mx06.rackhost.hu
SOA Record
Raw SOA
denver.ns.cloudflare.com dns.cloudflare.com 2399182339 10000 2400 604800 1800
Primary NS (mname)
denver.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399182339
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jasmine.ns.cloudflare.com
denver.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.sendinblue.com mx +ip4:63.250.38.245 +ip4:38.242.215.36 +include:_cspf.rackhost.hu ~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
✓ 2 found
default._domainkey
mail._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
4 records- SPFv=spf1 include:spf.sendinblue.com mx +ip4:63.250.38.245 +ip4:38.242.215.36 +include:_cspf.rackhost.hu ~all
- Sendinblue-code:c84655e19e5103aa6c41323f9ae38208
- google-site-verification=jcMKh2YapiVyfzjtGt4igNZ8nCYcRWTb8FZg7qaVyUg
- google-site-verification=ta_etF_bNgt-ZMG01dcW3rexaclkMtwkHOa8Imfjrrs
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