schbrain.com - robtex.com

schbrain.com

DNSSEC⚠️ Not signed
A47.97.61.42πŸ‡¨πŸ‡³ Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD
NSdns21.hichina.com ⭐
A2408:4009:501::29πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.40πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.60πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.100πŸ‡¨πŸ‡³ Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.110πŸ‡¨πŸ‡³ Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
NSdns22.hichina.com
A2408:4009:501::30πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.38πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.61πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.98πŸ‡¨πŸ‡³ Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.108πŸ‡¨πŸ‡³ Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
MXmx1.feishu.cn ⭐
A52.220.106.220πŸ‡ΈπŸ‡¬ Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
MXmx2.feishu.cn(5)
A101.126.58.225πŸ‡¨πŸ‡³ VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0πŸ‡¨πŸ‡³ CHINAMOBILE-CN122.14.224.0/20
MXmx3.feishu.cn(10)
A52.220.106.220πŸ‡ΈπŸ‡¬ Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
A101.126.58.225πŸ‡¨πŸ‡³ VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0πŸ‡¨πŸ‡³ CHINAMOBILE-CN122.14.224.0/20
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
SOAdns21.hichina.comhostmaster@hichina.com 2026-01-12 #9

com

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSdns21.hichina.comdns22.hichina.comMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnA47.97.61.42
●NSdns21.hichina.com2026-04-26 β†’ 2026-07-18 Β· 2 obs
● 2026-04-26 00:49:24
● 2026-07-18 07:48:00
●NSdns22.hichina.com2026-04-26 β†’ 2026-07-18 Β· 2 obs
● 2026-04-26 00:49:24
● 2026-07-18 07:48:00
●MXmx1.feishu.cn2026-04-26 β†’ 2026-07-18 Β· 2 obs
● 2026-04-26 00:49:24
● 2026-07-18 07:48:00
●MXmx2.feishu.cn2026-04-26 β†’ 2026-07-18 Β· 2 obs
● 2026-04-26 00:49:24
● 2026-07-18 07:48:00
●MXmx3.feishu.cn2026-04-26 β†’ 2026-07-18 Β· 2 obs
● 2026-04-26 00:49:24
● 2026-07-18 07:48:00
●A47.97.61.422026-04-26 β†’ 2026-07-18 Β· 2 obs
● 2026-04-26 00:49:24
● 2026-07-18 07:48:00

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
schbrain.comdns21.hichina.com, dns22.hichina.com18 records

βœ… Authoritative Response

Server:120.76.107.38

NS records: dns21.hichina.com, dns22.hichina.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schbrain.com (unsigned zone)

⏱️ Timing

Total: 3535ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A147.97.61.42
NS2dns21.hichina.com, dns22.hichina.com
MX3mx3.feishu.cn (pri: 10), mx2.feishu.cn (pri: 5)...
TXT1v=spf1 +include:_netblocks.m.feishu.cn -
SOA1dns21.hichina.com hostmaster.hichina.com

πŸ“Œ Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

IP Addresses

schbrain.com points to a single IP number: 47.97.61.42.

Name Servers

Two name servers handle the delegation for schbrain.com: dns21.hichina.com and dns22.hichina.com.

schbrain.com shares its name server setup with other domains, including xmjsjt.com, best-semi.com.cn, jcjczx.com and two others.

schbrain.com shares at least some of its name servers with other domains, including cpel.cn, dgert.cn, aesir.cn and two others.

These name servers are frequently seen alongside the name servers ns1.alidns.com, expirens3.hichina.com, expirens4.hichina.com and ns2.alidns.com.

Host names with 9 IP numbers:

dns21.hichina.com resolves to 39.96.153.40, 39.96.153.60 and 47.118.199.200 among others, with 6 other IP addresses in total.

dns22.hichina.com resolves to 39.96.153.38, 39.96.153.61 and 47.118.199.198 among others, with 6 other IP addresses in total.

Mail Servers

schbrain.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

schbrain.com shares mail servers β€” at least in part β€” with other domains, including yedanbo.com, creatiai.ai, cmpse.org and two others.

Host names with three IP numbers:

The hostname mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers:

mx2.feishu.cn resolves to two addresses: 101.126.58.225 and 122.14.229.0.

Host names pointing to a single IP address:

The hostname mx1.feishu.cn resolves to 52.220.106.220.

mx3.feishu.cn along with mx1.feishu.cn each resolve to 52.220.106.220 IP addresses.

mx3.feishu.cn along with mx2.feishu.cn each resolve to 101.126.58.225 IP addresses.

mx3.feishu.cn along with mx2.feishu.cn each resolve to 122.14.229.0 IP addresses.