Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jcs.pt
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 00:11:05 UTC · ↺ Refresh
MX Hostnames
- jcs-pt.mail.protection.outlook.com
MX Priorities
- jcs-pt.mail.protection.outlook.com: 10
A / AAAA Records
- 20.101.95.195 (no PTR)
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ptempresas.pt admin.jcs.pt 235 900 600 1209600 900
Primary NS (mname)
ns1.ptempresas.pt
Admin Email (rname)
admin@jcs.pt
Serial
235
Refresh
900s
Retry
600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns1.ptempresas.pt
ns10.ptempresas.pt
ns2.ptempresas.pt
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:194.38.147.98 include:spf-uk.emailsignatures365.com include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.mailersend.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ Missing
v=DMARC1\; p=quarantine\; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- MS=C64F79F1482B280ED8AD06A038043E3C2AE95E05
- SPFv=spf1 mx ip4:194.38.147.98 include:spf-uk.emailsignatures365.com include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.mailersend.net -all
- 69FC09EE65406A1160CAA1BF94DEFE2085A59B60C8C5A0EF20B783D2A45C15D2
- DMARCv=DMARC1\; p=quarantine\; rua=mailto:[email protected]
Full email verification for jcs.pt
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