Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
keepprep.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:47:49 UTC · ↺ Refresh
MX Hostnames
- hzmx01.mxmail.netease.com
- hzmx02.mxmail.netease.com
MX Priorities
- hzmx02.mxmail.netease.com: 10
- hzmx01.mxmail.netease.com: 5
A / AAAA Records
- 54.70.86.95 ↩ ec2-54-70-86-95.us-west-2.compute.amazonaws.com
Mail Server IPs
- 47.253.119.154 (no PTR)
- 47.90.150.166 (no PTR)
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1771207088 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1771207088
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.163.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
1 record- SPFv=spf1 include:spf.163.com -all
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