Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siere.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:49:36 UTC · ↺ Refresh
MX Hostnames
- siere-ca.mail.protection.outlook.com
MX Priorities
- siere-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns05.domaincontrol.com dns.jomax.net 2024100709 28800 7200 604800 600
Primary NS (mname)
ns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024100709
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns06.domaincontrol.com
ns05.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:one.zoho.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
8 records- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCr6KMgdxxgg7oT3ulMwPJs9RXgXDrI9UWU118pHEMohl3UbL3Jwp4oxp/9N3thh/3WCJnYV134zbEVolZwqaT3JsFEq/mQ/RpW/JnOZ3rnxqJPurb2bcfJol4SDxiWVObzHX31xnANzFcXnq1/5dMK5QvW4Jh7n0fm4+4ywqiy2QIDAQAB
- SPFv=spf1 include:one.zoho.com ~all
- SPFv=spf1 include:spf.protection.outlook.com -all
- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDroSlgPTNMVRpIZOSwnmgdCU+oIXvupfbA58GeH9fERGG+7loacj7dMxpvn3YqRIL53jxAa/EPDIEVjD8aoc2Xn6b7BFWGIQBQOAoEs0K8mnZoSkxQa/Pf9tojgMiCR4PVyPx9vZ1sID6hVAzjeHSTGSPqQZ0ZQWwABiSZqWVM/wIDAQAB
- google-site-verification=iuFbVW7lqMOB41lK5Q6_97dVMg3-X6heDOUCQValbxk
- mish2icqsqe86d4dgmpfcv3jve
- 5snjq1odg4sme1ucnqmb9u7bv2
- google-site-verification=TtD0FXwYDa29E7b4BmSZX7Vv52V3yTZMORwQov1nMRc
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 siere.ca
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits