Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcfarlandarnold.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 09:15:50 UTC · ↺ Refresh
MX Hostnames
- mx1.topsec.com
- mx2.topsec.com
MX Priorities
- mx1.topsec.com: 10
- mx2.topsec.com: 10
A / AAAA Records
- 208.43.88.227 ↩ e3.58.2bd0.ip4.static.sl-reverse.com
Mail Server IPs
- 91.199.74.8 ↩ cvaprdintrly01eseu25.production.topsec.com
- 136.244.114.54 ↩ vraprdintrly01eseu15.production.topsec.com
- 94.237.32.71 ↩ upaprdintrly01eseu17.production.topsec.com
- 95.179.182.107 ↩ vraprdintrly01eseu11.production.topsec.com
SOA Record
Raw SOA
ns1.blacknight.com hostmaster.blacknight.com 1273298654 14400 7200 2419200 3600
Primary NS (mname)
ns1.blacknight.com
Admin Email (rname)
hostmaster@blacknight.com
Serial
1273298654
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns4.blacknight.com
ns1.blacknight.com
ns2.blacknight.com
ns3.blacknight.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms51633296
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