Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sfopera.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 05:02:48 UTC · ↺ Refresh
MX Hostnames
- sfopera-com.mail.protection.outlook.com
MX Priorities
- sfopera-com.mail.protection.outlook.com: 0
A / AAAA Records
- 217.114.94.2 (no PTR)
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com slong.sfopera.com 2023041202 3600 600 604800 60
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
slong@sfopera.com
Serial
2023041202
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
60s
Nameservers (NS)
ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_u.sfopera.com._spf.dmarcld.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- s7om8tsd3se7fhblktkmcv24a8
- SPFv=spf1 include:_u.sfopera.com._spf.dmarcld.com include:spf.protection.outlook.com -all
- lotvj7puf2sb4t4hlr83s2mlq9
- 0ed1fe018ade635b037812499dbda0b1c1100e5e1f
- MS=ms78357070
- a8rsupssf1ifnu23varc49f9o5
- c3kulpf1qfp8aq56jf292vs151
- hNwBdqSdor2TBBFk3Kh3gvprIPJFGUwlNAklavt9DrsHHqL7kuwDqweSauEHdkG91ka+U5iUoLH5ry/utQJ1rw==
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