zhenkai021.com - robtex.com
zhenkai021.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:8ee4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:2720🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.39.32Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.142.228🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alberto.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c12🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c312🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2312🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 108.162.195.18🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 162.159.44.18Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 172.64.35.18🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| NS | ara.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a43🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ara.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c043🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ara.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2043🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ara.ns.cloudflare.com | ||||||
| A | 108.162.192.67🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ara.ns.cloudflare.com | ||||||
| A | 172.64.32.67🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ara.ns.cloudflare.com | ||||||
| A | 173.245.58.67🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ara.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.39.32, 172.67.142.228 | ||||||
| IPv6 | 2606:4700:3032::ac43:8ee4, 2606:4700:3033::6815:2720 | ||||||
| SOA | alberto.ns.cloudflare.comdns@cloudflare.com serial=2399091509 | ||||||
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=1774365702 | ||||||
Subdomains
mx.zhenkai021.com |
Same first word
zhenkai021.com |
DNS History
9 records (6 active, 3 former)
○NS(root)2015-05-05 → 2016-11-19 · 4 obs
● 2016-11-19 22:12:42
○ 2017-06-30 15:11:48
○ 2026-03-24 15:28:02
●NSalberto.ns.cloudflare.com2026-02-24 → 2026-03-24 · 3 obs
● 2026-02-24 12:30:30
● 2026-03-24 15:28:02
●NSara.ns.cloudflare.com2026-02-24 → 2026-03-24 · 3 obs
● 2026-02-24 12:30:30
● 2026-03-24 15:28:02
○MXmx.zhenkai021.com2015-05-05 → 2016-11-19 · 4 obs
● 2016-11-19 22:12:42
○ 2017-06-30 15:11:48
○ 2026-03-24 15:28:02
●A104.21.39.322026-02-24 → 2026-03-24 · 3 obs
● 2026-02-24 12:30:30
● 2026-03-24 15:28:02
●A172.67.142.2282026-02-24 → 2026-03-24 · 3 obs
● 2026-02-24 12:30:30
● 2026-03-24 15:28:02
○A222.73.236.282015-05-05 → 2016-11-19 · 4 obs
● 2016-11-19 22:12:42
○ 2017-06-30 15:11:48
○ 2026-03-24 15:28:02
●A2606:4700:3032::ac43:8ee42026-02-24 → 2026-03-24 · 3 obs
● 2026-02-24 12:30:30
● 2026-03-24 15:28:02
●A2606:4700:3033::6815:27202026-02-24 → 2026-03-24 · 3 obs
● 2026-02-24 12:30:30
● 2026-03-24 15:28:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net... | - |
| zhenkai021.com | ara.ns.cloudflare.com, alberto.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.67
NS records: ara.ns.cloudflare.com, alberto.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zhenkai021.com (unsigned zone)
⏱️ Timing
Total: 459ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.142.228, 104.21.39.32 |
| AAAA | 2 | 2606:4700:3032::ac43:8ee4, 2606:4700:3033::6815:2720 |
| NS | 2 | alberto.ns.cloudflare.com, ara.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alberto.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ara.ns.cloudflare.com, ara.ns.cloudflare.com, ara.ns.cloudflare.com...)
Analysis
Hierarchy
mx.zhenkai021.com is a child of zhenkai021.com.
IP Addresses
zhenkai021.com refers to four IP numbers: 2606:4700:3032::ac43:8ee4, 2606:4700:3033::6815:2720, 104.21.39.32 and 172.67.142.228.
Other host names, for instance vollmer-handel.de, www.ekgolfclub.com, qiongbin.cn, sajaldebnath.com and globalmeditations.com share IP numbers with zhenkai021.com.
Name Servers
zhenkai021.com's delegation uses two name servers: alberto.ns.cloudflare.com and ara.ns.cloudflare.com.
zhenkai021.com uses the same name server setup as other domains, such as zzysls.com, hhgchx.com, hlhtmm.com, gz-lcd.com and jschzn.com.
zhenkai021.com at least partially shares name servers with other domains, including hongbaobanyouxi.com.cn, ditieshejiyouxituijian.com.cn, zuqiubanquanchanglishishujukeshihua.com.cn, kepri1988.com and mtstainlesssteel.com.
These name servers are often used with malavika.ns.cloudflare.com and nelly.ns.cloudflare.com.
Host names with six IP numbers:
alberto.ns.cloudflare.com points to 2606:4700:58::a29f:2c12, 2803:f800:50::6ca2:c312, 2a06:98c1:50::ac40:2312, 108.162.195.18, 162.159.44.18 and 172.64.35.18.
ara.ns.cloudflare.com points to 2606:4700:50::adf5:3a43, 2803:f800:50::6ca2:c043, 2a06:98c1:50::ac40:2043, 108.162.192.67, 172.64.32.67 and 173.245.58.67.