Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
assertia.com.ar
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-05-20 22:43:10 UTC ยท โบ Refresh
MX Hostnames
- assertia-com-ar.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 20.49.97.28
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com mx -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ 1 found
mail._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- MS=ms27288335
- mscid=LEhQ2EGi3U2hSFiVPLHzRjD+2Obui3xmap5ZJsU6NH/582KsODqJXGn4pnopSIgv33N07ojtuRIMaSOAjUTF4w==
- SPFv=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com mx -all
- d365mktkey=4o89cwguqo6n9vqjzl7dxnqsi
- knowbe4-site-verification=1de17f3865b3377608c78ffbcc9e24ca
- sendinblue-code:31306e1068a2f2b20b1b4d6d16a3a3eb
- ms-domain-verification=c9853374-ede4-49b7-8a12-e8eaf1292fc9
- assertia-www.azurewebsites.net
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