Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tencu.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 11:06:24 UTC · ↺ Refresh
MX Hostnames
- tencu-com.mail.protection.outlook.com
MX Priorities
- tencu-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.130.6 (no PTR)
- 162.159.133.6 (no PTR)
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.astrumlabs.net dnsadmin.astrumlabs.net 2025062873 3600 1800 1209600 3600
Primary NS (mname)
ns01.astrumlabs.net
Admin Email (rname)
dnsadmin@astrumlabs.net
Serial
2025062873
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns05.astrumlabs.net
ns06.astrumlabs.net
ns07.astrumlabs.net
ns01.astrumlabs.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.77.142.130 ip4:136.40.161.18 ip4:97.89.75.66 ip4:68.232.131.30 ip4:68.232.140.103 ip4:68.232.143.79 ip4:68.232.141.148 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com a:_mailhosts.swbc.com include:spfhost.messageprovider.com include:zcsend.net include:spf.meridianlink.com ip4:207.45.164.29 include:spf.myconnectwise.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
5 records- docusign=ec4d3c37-d412-49e2-a27d-3ee73beb97b8
- SPFv=spf1 ip4:216.77.142.130 ip4:136.40.161.18 ip4:97.89.75.66 ip4:68.232.131.30 ip4:68.232.140.103 ip4:68.232.143.79 ip4:68.232.141.148 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com a:_mailhosts.swbc.com include:spfhost.messageprovider.com include:zcsend.net include:spf.meridianlink.com ip4:207.45.164.29 include:spf.myconnectwise.net -all
- MS=ms67760299
- apple-domain-verification=7psGFNQJ0v9HFOGF
- MS=ms30179996
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