algorithms.cn - dns.ninja

algorithms.cn

CNAMEoverdue.aliyun.com
DNSSEC⚠️ Not signed
A170.33.12.185🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035116633

Same first word

Similar names

DNS History

9 records (3 active, 6 former)

2017201820192020202120222023202420252026NSdns1.hichina.comdns2.hichina.comns1.sedoparking.comns2.sedoparking.comMXlocalhostmail.nickstel.comA72.52.4.12272.52.4.91CNAMEoverdue.aliyun.com
NSdns1.hichina.com2026-03-24 → 2026-07-31 · 3 obs
○ 2017-04-04 17:26:34
● 2026-03-24 23:20:18
● 2026-07-31 15:44:46
NSdns2.hichina.com2026-03-24 → 2026-07-31 · 3 obs
○ 2017-04-04 17:26:34
● 2026-03-24 23:20:18
● 2026-07-31 15:44:46
NSns1.sedoparking.com2016-03-31 → 2017-04-04 · 4 obs
● 2016-03-31 19:30:56
● 2017-04-04 17:26:34
○ 2026-03-24 23:20:18
○ 2026-07-31 15:44:46
NSns2.sedoparking.com2016-03-31 → 2017-04-04 · 4 obs
● 2016-03-31 19:30:56
● 2017-04-04 17:26:34
○ 2026-03-24 23:20:18
○ 2026-07-31 15:44:46
MXlocalhost2016-09-18 → 2017-04-04 · 5 obs
○ 2016-03-31 19:30:56
● 2016-09-18 04:34:04
● 2017-04-04 17:26:34
○ 2026-03-24 23:20:18
○ 2026-07-31 15:44:46
MXmail.nickstel.com2016-03-31 → 2016-03-31 · 3 obs
● 2016-03-31 19:30:56
○ 2016-09-18 04:34:04
○ 2026-07-31 15:44:46
A72.52.4.1222017-04-04 → 2017-04-04 · 4 obs
○ 2016-09-18 04:34:04
● 2017-04-04 17:26:34
○ 2026-03-24 23:20:18
○ 2026-07-31 15:44:46
A72.52.4.912016-03-31 → 2016-09-18 · 4 obs
● 2016-03-31 19:30:56
● 2016-09-18 04:34:04
○ 2017-04-04 17:26:34
○ 2026-07-31 15:44:46
CNAMEoverdue.aliyun.com2026-03-24 → 2026-07-31 · 2 obs
● 2026-03-24 23:20:18
● 2026-07-31 15:44:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
algorithms.cndns1.hichina.com, dns2.hichina.com-

✅ Authoritative Response

Server:47.118.199.204

NS records: dns1.hichina.com, dns2.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithms.cn (unsigned zone)

⏱️ Timing

Total: 4829ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns2.hichina.com, dns1.hichina.com
CNAME1overdue.aliyun.com
SOA1dns1.hichina.com hostmaster.hichina.com

Analysis

IP Addresses

algorithms.cn points to a single IP number: 170.33.12.185.

Additional host names — overdue.aliyun.com, bc4399.com, dounao.com and two others — share IP numbers with algorithms.cn.