Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sinopec.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 07:38:52 UTC · ↺ Refresh
MX Hostnames
- mailmx5.sinopec.com
MX Priorities
- mailmx5.sinopec.com: 4
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 223.119.162.123 (no PTR)
SOA Record
Raw SOA
ns1.sinopec.com admin.sinopec.com 2026032001 28800 7200 2400000 900
Primary NS (mname)
ns1.sinopec.com
Admin Email (rname)
admin@sinopec.com
Serial
2026032001
Refresh
28800s
Retry
7200s
Expire
2400000s
Minimum TTL
900s
Nameservers (NS)
ns3.sinopec.com
ns5.sinopec.com
ns7.sinopec.com
ns2.sinopec.com
ns4.sinopec.com
ns6.sinopec.com
ns1.sinopec.com
ns8.sinopec.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:219.143.118.3 ip4:123.124.249.224 ip4:223.119.51.171 ip4:183.242.52.3 ip4:114.247.161.131 ip4:36.112.50.231 ip4:61.135.14.231 ip4:219.142.191.131 ip4:110.16.192.6 ip4:1.180.19.6 ip4:218.189.28.251 ip4:218.188.67.105 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; aspf=r; adkim=r; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
2 records- globalsign-domain-verification=1xz898nYoxtCUuet4Z6z5fdJkkqC03NxEEeZLSF9xV
- SPFv=spf1 mx ip4:219.143.118.3 ip4:123.124.249.224 ip4:223.119.51.171 ip4:183.242.52.3 ip4:114.247.161.131 ip4:36.112.50.231 ip4:61.135.14.231 ip4:219.142.191.131 ip4:110.16.192.6 ip4:1.180.19.6 ip4:218.189.28.251 ip4:218.188.67.105 -all
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