Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sinopac.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 19:57:12 UTC · ↺ Refresh
MX Hostnames
- mx1.sinopac.com
- mx3.sinopac.com
MX Priorities
- mx1.sinopac.com: 10
- mx3.sinopac.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 211.76.151.7 ↩ mx1.sinopac.com
- 211.76.151.8 ↩ mx3.sinopac.com
SOA Record
Raw SOA
nsp1.hinet.net hostmaster.hinet.net 1773676201 300 1800 1209600 3600
Primary NS (mname)
nsp1.hinet.net
Admin Email (rname)
hostmaster@hinet.net
Serial
1773676201
Refresh
300s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nsp2.hinet.net
nsp1.hinet.net
SPF Record
✓ Strict (-all)
v=spf1 include:sec.sinopac.com a:mailout.sinopac.com a:sender.edm.sinopac.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- 5ds-tx-f3jJ9ZHcU2K79RroGYeeaFyIAsKKapHK2X50
- google-site-verification=m3aAOYbbuOMGFJ61mfM_C0cxHnAe9gZ7lqqhvHy9VgE
- mongodb-site-verification=peJAeokUCLcdr1JEW50PI2SuWUwOHmia
- DABKGJYXS2TH4F1QAH9IJMYJZ8W2ALTHBWRI1X9G
- Psam8HXVlFFuqEoWYjdreaw+yyDLoMlj8auzImOruTNsS0uElqAWDf2WTqQoJSWL/+2lVYAjDg4K383MzoeT7g==
- apple-domain-verification=RYZcOB0rmQNThNnX
- SPFv=spf1 include:sec.sinopac.com a:mailout.sinopac.com a:sender.edm.sinopac.com include:spf.protection.outlook.com -all
Full email verification for sinopac.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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