51code.cc - robtex.com

๐Ÿ›ก๏ธDomain Reputation CheckBlocklist, phishing & malware statusโ†’

51code.cc

DNSSECโš ๏ธ Not signed
NSdns19.hichina.com โญ
A2408:4009:501::27๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud2408:4009:501::/48
A39.96.153.40๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
A120.76.107.60๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
A139.224.142.100๐Ÿ‡จ๐Ÿ‡ณ 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,
A139.224.142.110๐Ÿ‡จ๐Ÿ‡ณ 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,
NSdns20.hichina.com
A2408:4009:501::28๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud2408:4009:501::/48
A39.96.153.38๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
A120.76.107.61๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
A139.224.142.98๐Ÿ‡จ๐Ÿ‡ณ 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,
A139.224.142.108๐Ÿ‡จ๐Ÿ‡ณ 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,
SOAdns19.hichina.comhostmaster@hichina.com 2026-08-26 #16

cc

DNSSEC๐Ÿ”’ Signed (DS record present)
NSac1.nstld.com โญ
NSac2.nstld.com
NSac3.nstld.com
NSac4.nstld.com
SOAac1.nstld.cominfo@verisign-grs.com serial=1794105340
โš ๏ธ On DNS blocklist: spam-tlds

Same first word

Similar names

Previous names

Next names

DNS History

2 records (2 active, 0 former)

NSdns19.hichina.comdns20.hichina.com
โ—NSdns19.hichina.com2026-10-28 โ†’ 2026-11-08 ยท 2 obs
โ— 2026-10-28 12:03:06
โ— 2026-11-08 03:01:56
โ—NSdns20.hichina.com2026-10-28 โ†’ 2026-11-08 ยท 2 obs
โ— 2026-10-28 12:03:06
โ— 2026-11-08 03:01:56

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
ccac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com-
51code.ccdns20.hichina.com, dns19.hichina.com-

โœ… Authoritative Response

Server:47.118.199.220

NS records: dns20.hichina.com, dns19.hichina.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for 51code.cc (unsigned zone)

โฑ๏ธ Timing

Total: 1586ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS2dns20.hichina.com, dns19.hichina.com
SOA1dns19.hichina.com hostmaster.hichina.com

Analysis

Name Servers

DNS delegation for 51code.cc points to two name servers: dns19.hichina.com and dns20.hichina.com.

51code.cc uses the same name servers as several other domains โ€” among them xatygy.com, shulingyh.com, hanshixing.cn and two more.

51code.cc shares at least some of its name servers with other domains, including jinhaiyuan.com, smartplas.cn, lelrou.cn and two others.

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

Hostnames that resolve to 9 IP addresses:

dns19.hichina.com has IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, plus 6 other.

dns20.hichina.com has IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, plus 6 other.