Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dentaurum-us.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 18:47:39 UTC · ↺ Refresh
MX Hostnames
- dentaurum-us.com.2.0001.arsmtp.com
- dentaurum-us.com.1.0001.arsmtp.com
MX Priorities
- dentaurum-us.com.1.0001.arsmtp.com: 0
- dentaurum-us.com.2.0001.arsmtp.com: 5
A / AAAA Records
- 50.77.17.50 ↩ remote.dentaurum-us.com
Mail Server IPs
- 8.31.233.245 ↩ server2020.appriver.com
- 8.19.118.226 ↩ server2021.appriver.com
SOA Record
Raw SOA
ns33.worldnic.com namehost.worldnic.com 123100515 10800 3600 604800 3600
Primary NS (mname)
ns33.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
123100515
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns33.worldnic.com
ns34.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:50.77.17.50 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- 4j48nisfsrdrgb0a4b6aqh0k3f
- SPFv=spf1 mx a ip4:50.77.17.50 include:spf.protection.outlook.com ~all
- 81li2gojlf4srpueihhtinqjoe
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 dentaurum-us.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits