Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tccu.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 12:56:36 UTC · ↺ Refresh
MX Hostnames
- tccu-us.mail.protection.outlook.com
MX Priorities
- tccu-us.mail.protection.outlook.com: 0
A / AAAA Records
- 216.206.109.129 ↩ webhost11kwd01.web.cubase.org
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.cubase.org sschirm.tccu.us 2025111302 10800 3600 604800 10800
Primary NS (mname)
ns1.cubase.org
Admin Email (rname)
sschirm@tccu.us
Serial
2025111302
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns3.cubase.org
ns1.cubase.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.cuanswers.com ip4:173.239.115.34 ip4:65.182.202.34 include:tccu-us.spf.smtp25.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- ecs773foun8roogorq852ntcfj
- SPFv=spf1 include:spf.protection.outlook.com include:spf.cuanswers.com ip4:173.239.115.34 ip4:65.182.202.34 include:tccu-us.spf.smtp25.com -all
- MS=ms28562215
- AOFCNidPNTa6AtnzIEu2SA==
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