Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
structuretone.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 20:23:18 UTC · ↺ Refresh
MX Hostnames
- structuretone-co-uk.mail.protection.outlook.com
MX Priorities
- structuretone-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009010146 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009010146
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns12.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns11.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.240.180.206/32 ip4:38.127.225.55/32 ip4:192.254.121.248 ip4:23.21.109.197 ip4:23.21.109.212 ip4:20.63.100.28 ip4:13.90.214.114 ip4:20.90.85.127 include:archivecloud.net include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.surveymonkey.com include:aspmx.pardot.com include:spf_c.oraclecloud.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=none; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
8 records- SPFv=spf1 ip4:66.240.180.206/32 ip4:38.127.225.55/32 ip4:192.254.121.248 ip4:23.21.109.197 ip4:23.21.109.212 ip4:20.63.100.28 ip4:13.90.214.114 ip4:20.90.85.127 include:archivecloud.net include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.surveymonkey.com include:aspmx.pardot.com include:spf_c.oraclecloud.com -all
- apple-domain-verification=0PpULIZZzp3PeBzV
- MS=ms55572230
- knowbe4-site-verification=fd692dd567cb8cc4b98370c581de4d0f
- pardot997321=444606fcbde809396c86c984a438cadd7725101d98d69897de488843d96d059b
- cisco-ci-domain-verification=b272c4d45a5fe064f043259489f0cba2395c9b46fa400343b3312513af02697
- sending_domain997321=87ac309b9d0a13b523d67589ae16ac9f4fc6814f7038fc42ed66da04106fba17
- bw=bwgjDfgF72HL1FuxzgWwr4hMVNGPQ57HgBTXgxSzOp4z
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