Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
codnor.derbyshire.sch.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:15:10 UTC · ↺ Refresh
MX Hostnames
- mail3.itjustdone.com
MX Priorities
- mail3.itjustdone.com: 9
A / AAAA Records
- 35.244.207.122 ↩ 122.207.244.35.bc.googleusercontent.com
Mail Server IPs
- 195.206.186.17 ↩ mail3.itjustdone.com
SOA Record
Raw SOA
ns.heartinternet.uk hostmaster.mainnameserver.com 2025040753 10800 600 2419200 3600
Primary NS (mname)
ns.heartinternet.uk
Admin Email (rname)
hostmaster@mainnameserver.com
Serial
2025040753
Refresh
10800s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns2.heartinternet.uk
ns.heartinternet.uk
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail3.itjustdone.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx a:mail3.itjustdone.com -all
- MS=E5736F292328CF79CBA2794D1BB6538D978E0356
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