Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lithiumnetworks.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 14:40:49 UTC · ↺ Refresh
MX Hostnames
- lithiumnetworks-com.mail.protection.outlook.com
MX Priorities
- lithiumnetworks-com.mail.protection.outlook.com: 0
A / AAAA Records
- 139.138.148.211 ↩ 211-148-138-139.adstx.net
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-994.awsdns-60.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-994.awsdns-60.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1340.awsdns-39.org
ns-1853.awsdns-39.co.uk
ns-72.awsdns-09.com
ns-994.awsdns-60.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:139.138.148.210 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- cisco-ci-domain-verification=5469a7405963c967d54bd119f1c27e6900fbf150709b26c9e16f48ff00bdba35
- google-site-verification=eWUrD-kFpJrXMdwOh0hm1Gct4WxvI1Qi0VhJyCNgHT4
- SPFv=spf1 ip4:139.138.148.210 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all
- MS=64D9D8660C51CD83CB36357D4433FF99D6CCBA2E
- box-domain-verification=ef402206a33f57e51e5ac0b673d3e5931cfc8ad9aae482a8c01f4e65d7489bf9
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 lithiumnetworks.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits