Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tsbdc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:06:16 UTC · ↺ Refresh
MX Hostnames
- tsbdc-org.mail.protection.outlook.com
MX Priorities
- tsbdc-org.mail.protection.outlook.com: 0
A / AAAA Records
- 192.252.157.164 ↩ ns2.s1126.sureserver.com
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns67.worldnic.com namehost.worldnic.com 126031812 10800 3600 604800 3600
Primary NS (mname)
ns67.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031812
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns67.worldnic.com
ns68.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.252.157.164 ip4:208.86.67.83 include:spf.constantcontact.com include:ic.tsbdc.org include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- google-site-verification=HQDvYQFnu6eAJo156EgCPDdC8t7GndXx54pU9cKhJ60
- SPFv=spf1 ip4:192.252.157.164 ip4:208.86.67.83 include:spf.constantcontact.com include:ic.tsbdc.org include:spf.protection.outlook.com -all
- google-site-verification=DxoPiwYoNQgsBrbKELVloN4RHeWRRcCE8BJC0AvaTtI
- MS=ms30929748
Full email verification for tsbdc.org
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