Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
criterium-l-d.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:14:29 UTC · ↺ Refresh
MX Hostnames
- criteriumlalancettedudka-com02c2b.mail.protection.outlook.com
MX Priorities
- criteriumlalancettedudka-com02c2b.mail.protection.outlook.com: 0
A / AAAA Records
- 23.227.170.58 ↩ 23-227-170-58.static.hvvc.us
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.criteriumwebhosting.net serversupport.mainehost.com 2026012301 3600 1800 1209600 86400
Primary NS (mname)
ns.criteriumwebhosting.net
Admin Email (rname)
serversupport@mainehost.com
Serial
2026012301
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns.criteriumwebhosting.net
ns2.criteriumwebhosting.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:23.227.170.58 include:spf.protection.outlook.com include:reflexion.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:23.227.170.58 include:spf.protection.outlook.com include:reflexion.net -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for criterium-l-d.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits