Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
topbuild.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 02:13:09 UTC · ↺ Refresh
MX Hostnames
- topbuild-com.mail.protection.outlook.com
MX Priorities
- topbuild-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.11.243 (no PTR)
- 104.18.10.243 (no PTR)
- 2606:4700::6812:af3
- 2606:4700::6812:bf3
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
andy.ns.cloudflare.com dns.cloudflare.com 2399341079 10000 2400 604800 1800
Primary NS (mname)
andy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399341079
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
andy.ns.cloudflare.com
fay.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_smbjeltf8.sdmarc.net
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
15 records- 67n2bljh1whyn7dxz1klc8fpk1qtxcsf
- Foxit-domain-verification=1cfa8490ef9c1d3f2ca6c92fba3c8e33
- anthropic-domain-verification-btcdcb=CCwoCUIb1Q5pMtcNkHTWKbkxs
- apple-domain-verification=c6GetlpjJBJhp2jQ
- atlassian-domain-verification=WU3L4Jn4gs6KUdzahQxvBHjTKufUWkA6qHperzd5MHCm2TdvIkj3cne35fDUvUNV
- atlassian-sending-domain-verification=b25b5a21-c95b-4027-a017-8b192ea8d932
- docusign=a21f0e47-7e37-4166-a481-627206500098
- google-site-verification=TlEvRUTRY69H72VdRTmQAfBGNjSxjspaV0O7fhp7lZ8
- logmein-verification-code=CUpGER4VWHsZZeEJv9FyUknd1
- logmein-verification-code=c73afbfb-500f-475e-96d1-0c80b6483320
- openai-domain-verification=dv-YFBMNXcpsyPkIAx1N7vNfIhA
- sAvV6ZLOCE0qu9wwLWPR/RvlnB3jckbJDyFrt6lMzjApcE1G4Ll/8K+hoo5vFimOsGJ3P9agECN8K9v0kFO1Tw==
- tbvt.azurewebsites.net
- SPFv=spf1 redirect=_smbjeltf8.sdmarc.net
- vj8rkdmhj9frsz60ry89pbfsqft1ff6b
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