Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gankao.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 02:24:09 UTC · ↺ Refresh
MX Hostnames
- mx.ym.163.com
MX Priorities
- mx.ym.163.com: 10
A / AAAA Records
- 47.102.226.200 (no PTR)
CNAME → pv1tv05ohukh58hoolkwrnr4nr3olwgu.yundunwaf4.com
Mail Server IPs
- 111.124.200.35 (no PTR)
SOA Record
Raw SOA
vip3.alidns.com hostmaster.hichina.com 2026010716 3600 1200 86400 600
Primary NS (mname)
vip3.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026010716
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
ns3.dnsv4.com
vip3.alidns.com
ns4.dnsv4.com
vip4.alidns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mail.qq.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- 201708011703190zwlzqvoa7yefl6fs0yel8l3cged7kc6v4yj08sadz9vk9uq5z
- SPFv=spf1 include:spf.mail.qq.com ~all
- 5110e812ac4edf30e080e40090d19647d0045760493c7b5e9aed793993cde21b
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