Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tecumseh.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 02:20:18 UTC · ↺ Refresh
MX Hostnames
- tecumseh-com.mail.protection.outlook.com
MX Priorities
- tecumseh-com.mail.protection.outlook.com: 15
A / AAAA Records
- 52.3.163.37 ↩ ec2-52-3-163-37.compute-1.amazonaws.com
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns89.worldnic.com namehost.worldnic.com 126033115 10800 3600 604800 3600
Primary NS (mname)
ns89.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126033115
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns90.worldnic.com
ns89.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:12.97.76.37 include:sharepointonline.com include:_spf.psm.knowbe4.com include:eskerondemand.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- fnpj0q1s6q0snacudajpvuoqpp.
- SPFv=spf1 include:spf.protection.outlook.com ip4:12.97.76.37 include:sharepointonline.com include:_spf.psm.knowbe4.com include:eskerondemand.com -all
- google-site-verification=GmoNi0Va_dPHprohMvCisihUtLGI2bGCL9oAA2ekOr8
- c65sba64efoq12vtaigguqvok8
- nlb0me5c9f4s90ie1phf4ueltv
- box-domain-verification=f8e670c8d8b960d0efc06e4681ebacf499cce6999b6b6841426175b478095bf2
- smartsheet-site-validation=MWp38JniB-TkTQeSiBvVJR3SXORcU92l
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