Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dentalmar.pt
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 12:04:10 UTC · ↺ Refresh
MX Hostnames
- mx2.cleanmx.pt
- mx1.cleanmx.pt
MX Priorities
- mx2.cleanmx.pt: 10
- mx1.cleanmx.pt: 0
A / AAAA Records
- 130.185.83.236
Mail Server IPs
- 94.46.16.236 ↩ filter5-out1.cleanmx.pt
- 109.71.47.153 ↩ filter1-out1.cleanmx.pt
- 130.185.80.211 ↩ filter3-out1.cleanmx.pt
- 130.185.80.60 ↩ filter10.cleanmx.pt
- 130.185.80.201 ↩ filter2-out1.cleanmx.pt
- 130.185.80.111 ↩ filter11-out1.cleanmx.pt
- 109.71.47.161 ↩ filter7-out1.cleanmx.pt
- 109.71.47.61 ↩ filter12-out1.cleanmx.pt
- 109.71.47.152 ↩ filter1.cleanmx.pt
- 130.185.80.110 ↩ filter11.cleanmx.pt
- 109.71.47.60
- 130.185.80.210
- 109.71.47.160
- 94.46.16.235
- 130.185.80.200
SOA Record
Raw SOA
dns1.linkage.pt reports.webserver.pt 2025112708 3600 7200 1209600 86400
Primary NS (mname)
dns1.linkage.pt
Admin Email (rname)
reports@webserver.pt
Serial
2025112708
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns1.linkage.pt
dns2.linkage.pt
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:94.46.180.81 +ip4:130.185.83.236 +ip4:94.46.168.215 +ip4:94.46.176.176 +ip4:94.46.13.95 +ip4:94.46.13.96 +ip4:94.46.13.97 +include:_spf.cleanmx.pt -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +ip4:94.46.180.81 +ip4:130.185.83.236 +ip4:94.46.168.215 +ip4:94.46.176.176 +ip4:94.46.13.95 +ip4:94.46.13.96 +ip4:94.46.13.97 +include:_spf.cleanmx.pt -all
- google-site-verification=_3yTywyFdrjDe3iyY27vUx3-kD7kmcEakQ1SXXARAZQ
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 dentalmar.pt
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits