Domain Overview
DNS: ✓ just now
Checker: ✓ just now
quintadosampayo.pt
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:28:20 UTC · ↺ Refresh
MX Hostnames
- quintadosampayo-pt.mail.protection.outlook.com
MX Priorities
- quintadosampayo-pt.mail.protection.outlook.com: 0
A / AAAA Records
- 148.251.193.226 ↩ sv07.lxsistemas.com
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.103.36 ↩ mail-miypr05cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca21::e ↩ mail-matpr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.lxsistemas.com notify+cust-27.webinfra.io 2026082901 3600 1800 1209600 86400
Primary NS (mname)
ns1.lxsistemas.com
Admin Email (rname)
notify+cust-27@webinfra.io
Serial
2026082901
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.lxsistemas.com
ns2.lxsistemas.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:148.251.193.226 ip4:130.185.83.16 +a +mx +ip4:109.71.42.236 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
3 records- SPFv=spf1 ip4:148.251.193.226 ip4:130.185.83.16 +a +mx +ip4:109.71.42.236 +include:spf.protection.outlook.com -all
- google-site-verification=QcLC4jPpPj0X8VviI9oBZUYX9PhU2Zrv9k5-Fpztr6c
- MS=ms58548258
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