nowcoder.com - dns.ninja
nowcoder.com
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=1782672650 | ||||||
rank #20570 in the tld
📈 Tranco rank: #48,308
Subdomains
www.nowcoder.com |
ac.nowcoder.com |
grow.nowcoder.com |
static.nowcoder.com |
interview.nowcoder.com |
uploadfiles.nowcoder.com |
api.nowcoder.com |
room.nowcoder.com |
api-cdn.nowcoder.com |
exam.nowcoder.com |
turn.nowcoder.com |
images.nowcoder.com |
m.nowcoder.com |
gw-c.nowcoder.com |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSns3.dnsv3.com2015-08-13 → 2017-02-14 · 4 obs
● 2017-02-14 08:01:16
○ 2026-02-17 22:19:24
○ 2026-06-28 18:59:14
●NSns3.dnsv4.com2026-02-17 → 2026-06-28 · 3 obs
● 2026-02-17 22:19:24
● 2026-06-28 18:59:14
○NSns4.dnsv3.com2015-08-13 → 2017-02-14 · 4 obs
● 2017-02-14 08:01:16
○ 2026-02-17 22:19:24
○ 2026-06-28 18:59:14
●NSns4.dnsv4.com2026-02-17 → 2026-06-28 · 3 obs
● 2026-02-17 22:19:24
● 2026-06-28 18:59:14
○A114.55.207.2442017-02-14 → 2017-02-14 · 4 obs
● 2017-02-14 08:01:16
○ 2026-02-17 22:19:24
○ 2026-06-28 18:59:14
●A121.43.185.2532026-02-17 → 2026-06-28 · 3 obs
● 2026-02-17 22:19:24
● 2026-06-28 18:59:14
○A223.6.249.2402015-08-13 → 2016-06-18 · 4 obs
● 2016-06-18 12:06:18
○ 2017-02-14 08:01:16
○ 2026-06-28 18:59:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net... | - |
| nowcoder.com | ns3.dnsv4.com, ns4.dnsv4.com | 18 records |
✅ Authoritative Response
Server:1.12.0.24
NS records: ns3.dnsv4.com, ns4.dnsv4.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nowcoder.com (unsigned zone)
⏱️ Timing
Total: 536ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.43.185.253 |
| NS | 2 | ns3.dnsv4.com, ns4.dnsv4.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 3 | 201706220000002efs425ud2ws6c2hynrjo3wcwk, v=spf1 include:spf.mail.qq.com ~all... |
| SOA | 1 | ns3.dnsv4.com enterprise2dnsadmin.dnspod |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (ns3.dnsv4.com, ns3.dnsv4.com, ns3.dnsv4.com...)
Analysis
Hierarchy
nowcoder.com serves as parent to www.nowcoder.com, ac.nowcoder.com, grow.nowcoder.com, static.nowcoder.com, interview.nowcoder.com along with a few other host names.
IP Addresses
nowcoder.com directs to one IP number, which is 121.43.185.253.
Among others, nowjob.net, xiaozhaola.com, alb-u5g44t3vna625tmfqi.cn-hangzhou.alb.aliyuncs.com and likeshare-tech.com resolve to the same IP numbers as nowcoder.com.
Name Servers
nowcoder.com uses two name servers for its delegation: ns3.dnsv4.com and ns4.dnsv4.com.
nowcoder.com has the same name server delegation as a number of other domains, such as hebrts.cn, chenzhongtech.com, qrgiant.com and two more.
nowcoder.com has at least partial name server overlap with other domains, such as 66y.com, tongjikouqiang.cn, onecontract-cloud.com and two others.
It is common to find these name servers paired with the name servers f1g1ns1.dnspod.net, f1g1ns2.dnspod.net, ginkgo.dnspod.net and yetta.dnspod.net.
Host names resolving to 10 IP numbers:
Hostname ns4.dnsv4.com directs to 1.12.0.23, 1.12.0.26 and 43.130.172.54 along with 7 other IP addresses.
Host names resolving to 8 IP numbers:
Hostname ns3.dnsv4.com directs to 1.12.0.24, 1.12.0.25 and 1.13.76.53 along with 5 other IP addresses.
Mail Servers
The MX records for nowcoder.com point to two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
nowcoder.com has the same mail server arrangement as a number of other domains, for example yuncangai.com, potensic.com, jasonproperty.com and two more.