Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
synlab-sd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 04:20:25 UTC · ↺ Refresh
MX Hostnames
- synlabsd-com01e.mail.protection.outlook.com
MX Priorities
- synlabsd-com01e.mail.protection.outlook.com: 10
A / AAAA Records
- 54.197.175.106 ↩ ec2-54-197-175-106.compute-1.amazonaws.com
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.nominalia.com root.dns1.nominalia.com 1764233444 86400 7200 2592000 300
Primary NS (mname)
dns1.nominalia.com
Admin Email (rname)
root@dns1.nominalia.com
Serial
1764233444
Refresh
86400s
Retry
7200s
Expire
2592000s
Minimum TTL
300s
Nameservers (NS)
dns2.nominalia.com
dns1.nominalia.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.binds.co -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms22887868
- vmdzy6jzsvm6rrdqt0fq3cb4g4m7g1d4
- fvhght46kwkd9s8wmr2v5y1bsnp5r4fw
- synlab-sd.com v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
- docusign=f0bbcaf8-6977-4613-bdcf-2e20e3d22a41
- SPFv=spf1 include:spf.protection.outlook.com include:spf.binds.co -all
- _tz2bkam9pw570ufn7fvxvmgbbqnklg1
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 synlab-sd.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits