Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
whiskerlabs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:03:40 UTC · ↺ Refresh
MX Hostnames
- whiskerlabs-com.mail.protection.outlook.com
MX Priorities
- whiskerlabs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-687.awsdns-21.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-687.awsdns-21.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-687.awsdns-21.net
ns-1084.awsdns-07.org
ns-1843.awsdns-38.co.uk
ns-390.awsdns-48.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:emsd1.com include:aspmx.pardot.com include:_spf.salesforce.com include:spf.protection.outlook.com include:mail.zendesk.com include:sendgrid.net include:23492373.spf10.hubspotemail.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; aspf=r;
~ 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
14 records- stripe-verification=9c874747ae377c96ac81b0e1f6b531e913ef05c2ff53fe52afbf2f9e693374eb
- SPFv=spf1 include:emsd1.com include:aspmx.pardot.com include:_spf.salesforce.com include:spf.protection.outlook.com include:mail.zendesk.com include:sendgrid.net include:23492373.spf10.hubspotemail.net ~all
- MS=ms69119436
- anthropic-domain-verification-ghspy1=EQNVmHtJUFi27nTYinXyUcnbV
- apple-domain-verification=E61WJuTUimRRqYeC
- apple-domain-verification=MXb-CPGDKqu4If_ETexT7fMrHXNmWuFNfv5Wzom9B54
- asv=64dc9c3b80f6abb02eac3c9b49fc583d
- atlassian-domain-verification=YRbV5FPsEosAe9gjqo9/pkwVLvPTeSG9dDb8y8NFHv1LaZ0m5G8P7fN0BWeyKkDj
- bw=MV+wmtdvxoU/Sb9/8K6Vngc4gShRNDdhHSB4tBYZt3uN
- crE8a9YDKG6dS9JAWQ2VvT0RlPZ2HlI
- google-site-verification=UFT55Mz6O2YN0Zl46CaZOsihw9LHD4qCB6XoYiS_dA8
- google-site-verification=tOYvWgfHQg0UKl_gFA-p7REYUGnrbWg3hYqS7GvxPdU
- openai-domain-verification=dv-rXSds7FUdoYqGxMsnD6Ou6gz
- site24x7-signals-domain-verification=a9bdc993694a9e3c715cb3f8abe15f49
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 whiskerlabs.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits