Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
amstd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 02:24:11 UTC · ↺ Refresh
MX Hostnames
- amstd-com.mail.protection.outlook.com
MX Priorities
- amstd-com.mail.protection.outlook.com: 10
A / AAAA Records
- 116.236.69.106 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
dns.bizcn.com abuse.bizcn.com 28 28800 14400 14400 600
Primary NS (mname)
dns.bizcn.com
Admin Email (rname)
abuse@bizcn.com
Serial
28
Refresh
28800s
Retry
14400s
Expire
14400s
Minimum TTL
600s
Nameservers (NS)
ns7.cnmsn.net
ns8.cnmsn.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:222.73.20.202 a:amstd.com include:amstd.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- SPFv=spf1 ip4:222.73.20.202 a:amstd.com include:amstd.com ~all
- MS=ms90843132
- SPFv=spf1 include:spf.protection.outlook.com -all
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