Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
labvantage.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:48:54 UTC · ↺ Refresh
MX Hostnames
- labvantage-com.mail.protection.outlook.com
MX Priorities
- labvantage-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.238.55.102 ↩ server-18-238-55-102.jfk52.r.cloudfront.net
- 18.238.55.65 ↩ server-18-238-55-65.jfk52.r.cloudfront.net
- 18.238.55.22
- 18.238.55.116
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1312.awsdns-36.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1312.awsdns-36.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1743.awsdns-25.co.uk
ns-830.awsdns-39.net
ns-1312.awsdns-36.org
ns-156.awsdns-19.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:47.19.19.120 include:amazonses.com include:_spf.mailspamprotection.com include:mktomail.com include:spf.oximailing.com include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
17 records- docusign=165002b1-9d8a-49b0-88a4-c8708e6ace9b
- docusign=5514139b-21dd-4351-8a9c-cbfb966bf4df
- fcgr4pe781j3sl1u99r71fb3ru
- fi8accu9i0l64uotfjno4gm1bk
- google-site-verification=DGwgkYwiBp_svzNDW-2Unk39F0SNe97e4vHEt2v_9wg
- have-i-been-pwned-verification=dweb_3ewjwt8pkvyqmnisuuzo570s
- hiotqkq03oc9a5e7b1kthtu5a5
- in4ferjrh9e7gnec9thkdmli8m
- msfpkey=5scx35rsw9fxb3muaejv7vhk7
- SPFv=spf1 mx ip4:47.19.19.120 include:amazonses.com include:_spf.mailspamprotection.com include:mktomail.com include:spf.oximailing.com include:spf.protection.outlook.com -all
- 1ga0as7uk94urg7g2pgulbsp6j
- 5ou55h61k21a2er8a4mqghpe0c
- 6aB0d303TU38SvVqww9OLvj6JsL+9zI5mbt/h0+4tXNMmnbKk94CmEqGTR+ii5ewKf9cgkG/c4sBj1UJL5mLvw==
- 8fiiuhovu9q1mjpo005q55j9p6
- MS=ms21085070
- amazonses:yfBcv3nHtoW+UqZZfZ7GoAIPT4AvpZ1FOFiC9jrEprY=
- atlassian-domain-verification=E9owGcRtXFY7hVIPn9M6vKMq8CuR14D9ahBRJvy/IrGHM/jGqIxDFuAZ0ealLQZN
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 labvantage.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits