Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
formulate.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 14:34:11 UTC · ↺ Refresh
MX Hostnames
- formulate-co-uk.mail.protection.outlook.com
MX Priorities
- formulate-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 185.182.91.23 ↩ 185.182.91.23.srvlist.ukfast.net
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1697.awsdns-20.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1697.awsdns-20.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1476.awsdns-56.org
ns-1697.awsdns-20.co.uk
ns-394.awsdns-49.com
ns-890.awsdns-47.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:162.243.45.136 ip4:192.241.166.120 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ruf=mailto:[email protected]; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
4 records- MS=ms92384891
- citrix-verification-code=cd2ddd0d-13b2-4257-9fdf-a059340bc72b
- logmein-verification-code=bf70b181-9b3c-4f71-be8a-9ac0a0af6f23
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:162.243.45.136 ip4:192.241.166.120 -all
Full email verification for formulate.co.uk
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