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sleepbrain.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.100.70.111🇨🇳 AS37963 | ||||||
| NS | dns11.hichina.com ⭐ | ||||||
| A | 2408:4009:501::19🇨🇳 AS37963 | ||||||
| A | 39.96.153.42🇨🇳 AS37963 | ||||||
| A | 39.96.153.52🇨🇳 AS37963 | ||||||
| A | 47.118.199.202🇨🇳 AS37963 | ||||||
| A | 47.118.199.212🇨🇳 AS37963 | ||||||
| A | 120.76.107.42🇨🇳 AS37963 | ||||||
| A | 120.76.107.52🇨🇳 AS37963 | ||||||
| A | 139.224.142.112🇨🇳 AS37963 | ||||||
| A | 139.224.142.122🇨🇳 AS37963 | ||||||
| NS | dns12.hichina.com | ||||||
| A | 2408:4009:501::20🇨🇳 AS37963 | ||||||
| A | 39.96.153.41🇨🇳 AS37963 | ||||||
| A | 39.96.153.51🇨🇳 AS37963 | ||||||
| A | 47.118.199.201🇨🇳 AS37963 | ||||||
| A | 47.118.199.211🇨🇳 AS37963 | ||||||
| A | 120.76.107.41🇨🇳 AS37963 | ||||||
| A | 120.76.107.51🇨🇳 AS37963 | ||||||
| A | 139.224.142.111🇨🇳 AS37963 | ||||||
| A | 139.224.142.121🇨🇳 AS37963 | ||||||
| MX | mx1.feishu.cn ⭐ | ||||||
| A | 52.220.106.220🇸🇬 Amazon | ||||||
| MX | mx2.feishu.cn(5) | ||||||
| A | 101.126.58.225🇨🇳 AS137718 | ||||||
| A | 122.14.229.0🇨🇳 AS9808 | ||||||
| MX | mx3.feishu.cn(10) | ||||||
| A | 52.220.106.220🇸🇬 Amazon | ||||||
| A | 101.126.58.225🇨🇳 AS137718 | ||||||
| A | 122.14.229.0🇨🇳 AS9808 | ||||||
| TXT | verification-code-site-App_feishu=gkimh9W1FnaKKh75nAQ7 | ||||||
| TXT | v=spf1 +include:_netblocks.m.feishu.cn -all | ||||||
| SOA | dns11.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1769474184 | ||||||
Up
web.sleepbrain.com |
Same first word
sleepbrain.com |
Similar names
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🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sleepbrain.com | dns11.hichina.com, dns12.hichina.com | 18 records |
✅ Authoritative Response
Server: 192.31.80.30
NS records: dns11.hichina.com, dns12.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sleepbrain.com (unsigned zone)
⏱️ Timing
Total: 387ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.100.70.111 |
| NS | 2 | dns12.hichina.com, dns11.hichina.com |
| MX | 3 | mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)... |
| TXT | 2 | verification-code-site-App_feishu=gkimh9, v=spf1 +include:_netblocks.m.feishu.cn - |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)
AI analysis
sleepbrain.com is the parent of web.sleepbrain.com.
sleepbrain.com points to a single IP number: 47.100.70.111.
Other host names, for instance sleepai.com, share IP numbers with sleepbrain.com.
sleepbrain.com is delegated to two name servers: dns11.hichina.com and dns12.hichina.com.
sleepbrain.com shares the same name server setup as other domains, for example gkwu.cn, 281212.com, lxtu.com, ivoirbus.com and designbyho.com.
Host names with nine IP numbers:
dns11.hichina.com points to: 2408:4009:501::19, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
dns12.hichina.com points to: 2408:4009:501::20, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
sleepbrain.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.
sleepbrain.com shares mail servers with other domains at least partially, including relaverse.cn, kk30.com, hnsyzj.com, hahour.com and jinmukeji.com.
Three IP numbers:
mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.
Two IP numbers:
mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.
One IP number:
mx1.feishu.cn points to 52.220.106.220.
Names pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.
Names pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.
Names pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.