Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
btig.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 13:08:04 UTC · ↺ Refresh
MX Hostnames
- btig-com.mail.protection.outlook.com
MX Priorities
- btig-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.16.186.68 (no PTR)
- 104.16.185.68 (no PTR)
- 2606:4700::6810:b944
- 2606:4700::6810:ba44
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010341 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010341
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.btig.com._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=0; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r; fo=0; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 0% of failing messages only
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
18 records- msfpkey=61zwef9r8qbqsv83rmd5i9kzn
- 4q2lxqttmzb865sr066lfdwbjzglm26m
- ZOOM_verify_p1owSB8eREmrDqdleTbD2w
- j+qmor/mmz42KUrwYOzMBpsF7SLkijmSBI2005m6AbX2PT4Hr3sRajMrNaD1yUmRM6HdplCUrv2RJ8Po1qCXvw==
- ca3-8087dce941d6497bb5256d7d600012fd
- atlassian-domain-verification=kwkBr6D7dv0DJRQbofNM/l+pS3N4kO6QfZfVmvO6RRybv2m2UO6kr7QvbUlEr38u
- MS=ms51863755
- verdaccio.azurewebsites.net
- docusign=a3eaa0c5-5fce-4c7d-9001-e6433daa3c38
- postman-domain-verification=75986c6a51a661a8f9f583191497bf80c6e723ee2da21c63d98588d7b2d175b2a0a6d1cc665fb5748e3369245af01150479a3c8278d33d763ca6694bcfa83a3e
- ciscocidomainverification=422da8f215ee43d39a8fe2a0c2edbcf9fe3518f1cd44ac50dbd3e9018667991b
- ff9cnnqr7hzmzm6z515yn1hhj8vzh4t2
- 7cbed1a30044429db9b3c438e8145ec6
- 1n6fkt0kfpfrr50di8ujc1i37u
- czbsygxp001yyvmgsthpdvzbmbn8zlc6
- dropbox-domain-verification=6lxq4b6iktip
- SPFv=spf1 include:_u.btig.com._spf.smart.ondmarc.com ~all
- egtgg1tt23foa37c6lffrdkout
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