Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
linnaeusgroup.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 14:48:01 UTC · ↺ Refresh
MX Hostnames
- linnaeusgroup-co-uk.mail.protection.outlook.com
MX Priorities
- linnaeusgroup-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.68.205 (no PTR)
- 172.67.198.117 (no PTR)
- 2606:4700:3031::ac43:c675 (no PTR)
- 2606:4700:3031::6815:44cd (no PTR)
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
SOA Record
Raw SOA
chloe.ns.cloudflare.com dns.cloudflare.com 2397958682 10000 2400 604800 1800
Primary NS (mname)
chloe.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397958682
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
chloe.ns.cloudflare.com
wesley.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:85.95.124.65 ip4:192.254.125.237 ip4:35.80.141.6 ip4:44.229.121.55 ip4:85.95.124.54 include:spf.protection.outlook.com include:spf.uk.exclaimer.net include:outbound.mailhop.org include:mail.clickingmad.com include:_spf.createsend.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- SPFv=spf1 ip4:85.95.124.65 ip4:192.254.125.237 ip4:35.80.141.6 ip4:44.229.121.55 ip4:85.95.124.54 include:spf.protection.outlook.com include:spf.uk.exclaimer.net include:outbound.mailhop.org include:mail.clickingmad.com include:_spf.createsend.com -all
- vqa6j05rsl58r8qv24i5s5goku
- yBNtS87s
- KGjpoFZ3rgVv3/9Yhmguw2PYUyFB0neAIDwn45GmRGfzyOEZ5Vla8agtgb7w6NthsnIU9+e03uNu9n4lUk5SDQ==
- LN6qSHS2q/U9zo8oxqSn9vZYI8NaKV1ShifJlmN6xc5HUeocHEG7198XHYb4Y4u4JQj+DEj5s72EQ5wVS0BLsQ==
- MS=8305EB4F73D3E6C9A4B74DEFA2B2BFF918062703
- W0I1L14144
- apple-domain-verification=TvMc2pqnhWQrA8aZ
- d365mktkey=1lmhrtzpq4iuqvmvdkvuu6h67
- docusign=1574f153-511a-46d2-9535-e250294bd6e0
- lKJgk0d2s1ZCA3Xym3wLTSa1UX9RYWnt+B8aEBFgHHSfFFhRte2ZMacGcJakSTexKhszN8EvW2mwi5isHE3W2g==
- onetrust-domain-verification=055b2afc45e745ffaaef4fa1ad41c2ca
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