Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
techcorecr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 14:11:34 UTC · ↺ Refresh
MX Hostnames
- techcorecr-com.mail.protection.outlook.com
MX Priorities
- techcorecr-com.mail.protection.outlook.com: 0
A / AAAA Records
- 157.173.214.114 (no PTR)
- 2a02:4780:2b:1716::1452:c586:2 (no PTR)
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dns-parking.com dns.hostinger.com 2026040201 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026040201
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.dns-parking.com
ns1.dns-parking.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:tmcas.trendmicro.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:tmcas.trendmicro.com -all
- google-site-verification=Ul-8Lsje5Y9Bn19dNFMZecDlwd1CFWYl4EpQiEYbZbg
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