Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
critertec.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 23:13:09 UTC · ↺ Refresh
MX Hostnames
- critertec-com.mail.protection.outlook.com
MX Priorities
- critertec-com.mail.protection.outlook.com: 10
A / AAAA Records
- 138.197.62.253 (no PTR)
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.digitalocean.com hostmaster.critertec.com 1756825979 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@critertec.com
Serial
1756825979
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.digitalocean.com
ns1.digitalocean.com
ns2.digitalocean.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:mxsspf.sendpulse.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:mxsspf.sendpulse.com -all
- brevo-code:e780116debb42822f073e2498859de49
- SPFv=spf1 include:servers.mcsv.net include:mxsspf.sendpulse.com ?all
Full email verification for critertec.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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