Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
icbkus.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 21:27:26 UTC · ↺ Refresh
MX Hostnames
- mail.icbkus.com
- mx2.icbc.com.cn
- mx1.icbc.com.cn
- mail2.icbkus.com
MX Priorities
- mail2.icbkus.com: 10
- mx2.icbc.com.cn: 50
- mail.icbkus.com: 5
- mx1.icbc.com.cn: 20
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 216.117.96.37 ↩ 37.96.117.216.static.deflecto.com
- 219.142.91.4 ↩ mx1.icbc.com.cn
- 60.247.99.195 ↩ mx1.icbc.com.cn
- 123.127.121.195 ↩ 0.121.127.123.icbc.com.cn
- 202.108.88.4 ↩ mx1.icbc.com.cn
- 216.244.96.134 ↩ mail.us.icbc.com.cn
SOA Record
Raw SOA
cns2.icbc.com.cn hostmaster.cns2.icbc.com.cn 2024060612 28800 7200 604800 1200
Primary NS (mname)
cns2.icbc.com.cn
Admin Email (rname)
hostmaster@cns2.icbc.com.cn
Serial
2024060612
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
1200s
Nameservers (NS)
bjcns2.icbc.com.cn
shtns.icbc.com.cn
bjtns2.icbc.com.cn
cns2.icbc.com.cn
tns1.icbc.com.cn
shuni.icbc.com.cn
SPF Record
✓ Strict (-all)
v=spf1 include:spf.icbkus.com include:spf.icbc.com.cn -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;adkim=r;aspf=r;pct=100;rua=mailto:[email protected];ruf=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: 392 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.icbkus.com include:spf.icbc.com.cn -all
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