Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atomic.com.cn
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 14:28:57 UTC · ↺ Refresh
MX Hostnames
- atomic-com-cn.mail.protection.partner.outlook.cn
MX Priorities
- atomic-com-cn.mail.protection.partner.outlook.cn: 1
A / AAAA Records
- 47.116.125.141 (no PTR)
Mail Server IPs
- 139.219.146.10 ↩ mail-sh0chn020010.inbound.protection.outlook.com
- 139.219.17.10 ↩ mail-bjschn020010.inbound.protection.outlook.com
SOA Record
Raw SOA
vip1.alidns.com hostmaster.hichina.com 2025121011 3600 1200 86400 600
Primary NS (mname)
vip1.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2025121011
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
vip2.alidns.com
vip1.alidns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.partner.outlook.cn -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- MS=7D417E7D6B20C456C976842E6282597077FAD4D7
- SPFv=spf1 include:spf.protection.partner.outlook.cn -all
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