zhenghao-tech.com - robtex.com

zhenghao-tech.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:12e8🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b7e1🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.232Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.225🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSromina.ns.cloudflare.com ⭐
A2606:4700:50::a29f:269f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRromina.ns.cloudflare.com
A2803:f800:50::6ca2:c29f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRromina.ns.cloudflare.com
A2a06:98c1:50::ac40:229f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRromina.ns.cloudflare.com
A108.162.194.159🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRromina.ns.cloudflare.com
A162.159.38.159Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRromina.ns.cloudflare.com
A172.64.34.159🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRromina.ns.cloudflare.com
NSwatson.ns.cloudflare.com
A2606:4700:58::a29f:2c17🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A2803:f800:50::6ca2:c317🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwatson.ns.cloudflare.com
A2a06:98c1:50::ac40:2317🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwatson.ns.cloudflare.com
A108.162.195.23🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A162.159.44.23Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A172.64.35.23🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.232, 172.67.183.225
IPv6 hints2606:4700:3033::6815:12e8, 2606:4700:3036::ac43:b7e1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOAromina.ns.cloudflare.comdns@cloudflare.com serial=2404499059

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1780417904

Same first word

zhenghao-tech.com

Similar names

zhaoheng-tech.com

DNS History

22 records (6 active, 16 former)

20162017201820192020202120222023202420252026NSromina.ns.cloudflare.comwatson.ns.cloudflare.comexpire1.gname-dns.comexpire2.gname-dns.comkyrie.ns.cloudflare.commain.ns365.netns10.ns365.netns11.ns365.netns12.ns365.netns9.ns365.netsima.ns.cloudflare.comMXmail.zhenghao-tech.comA104.21.18.232172.67.183.2252606:4700:3033::6815:12e82606:4700:3036::ac43:b7e1124.173.144.33188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::CNAMEexp.gs-cdn.com
○NSexpire1.gname-dns.com2026-03-30 → 2026-03-30 · 4 obs
○ 2026-02-27 12:03:02
● 2026-03-30 20:02:20
○ 2026-05-11 10:20:10
○ 2026-06-02 16:57:54
○NSexpire2.gname-dns.com2026-03-30 → 2026-03-30 · 4 obs
○ 2026-02-27 12:03:02
● 2026-03-30 20:02:20
○ 2026-05-11 10:20:10
○ 2026-06-02 16:57:54
○NSkyrie.ns.cloudflare.com2026-02-23 → 2026-02-27 · 5 obs
○ 2017-02-17 13:04:44
● 2026-02-23 16:45:54
● 2026-02-27 12:03:02
○ 2026-03-30 20:02:20
○ 2026-06-02 16:57:54
○NSmain.ns365.net2015-08-04 → 2017-02-17 · 4 obs
● 2015-08-04 22:55:08
● 2017-02-17 13:04:44
○ 2026-02-23 16:45:54
○ 2026-06-02 16:57:54
○NSns10.ns365.net2015-08-04 → 2017-02-17 · 4 obs
● 2015-08-04 22:55:08
● 2017-02-17 13:04:44
○ 2026-02-23 16:45:54
○ 2026-06-02 16:57:54
○NSns11.ns365.net2015-08-04 → 2017-02-17 · 4 obs
● 2015-08-04 22:55:08
● 2017-02-17 13:04:44
○ 2026-02-23 16:45:54
○ 2026-06-02 16:57:54
○NSns12.ns365.net2015-08-04 → 2017-02-17 · 4 obs
● 2015-08-04 22:55:08
● 2017-02-17 13:04:44
○ 2026-02-23 16:45:54
○ 2026-06-02 16:57:54
○NSns9.ns365.net2015-08-04 → 2017-02-17 · 4 obs
● 2015-08-04 22:55:08
● 2017-02-17 13:04:44
○ 2026-02-23 16:45:54
○ 2026-06-02 16:57:54
●NSromina.ns.cloudflare.com2026-05-30 → 2026-06-02 · 3 obs
○ 2026-05-11 10:20:10
● 2026-05-30 22:20:08
● 2026-06-02 16:57:54
○NSsima.ns.cloudflare.com2026-02-23 → 2026-02-27 · 5 obs
○ 2017-02-17 13:04:44
● 2026-02-23 16:45:54
● 2026-02-27 12:03:02
○ 2026-03-30 20:02:20
○ 2026-06-02 16:57:54
●NSwatson.ns.cloudflare.com2026-05-30 → 2026-06-02 · 3 obs
○ 2026-05-11 10:20:10
● 2026-05-30 22:20:08
● 2026-06-02 16:57:54
○MXmail.zhenghao-tech.com2015-08-04 → 2017-02-17 · 4 obs
● 2015-08-04 22:55:08
● 2017-02-17 13:04:44
○ 2026-02-23 16:45:54
○ 2026-06-02 16:57:54
●A104.21.18.2322026-02-23 → 2026-06-02 · 6 obs
○ 2017-02-17 13:04:44
● 2026-02-23 16:45:54
○ 2026-02-27 12:03:02
○ 2026-05-11 10:20:10
● 2026-05-30 22:20:08
● 2026-06-02 16:57:54
○A124.173.144.332015-08-04 → 2017-02-17 · 4 obs
● 2015-08-04 22:55:08
● 2017-02-17 13:04:44
○ 2026-02-23 16:45:54
○ 2026-06-02 16:57:54
●A172.67.183.2252026-02-23 → 2026-06-02 · 6 obs
○ 2017-02-17 13:04:44
● 2026-02-23 16:45:54
○ 2026-02-27 12:03:02
○ 2026-05-11 10:20:10
● 2026-05-30 22:20:08
● 2026-06-02 16:57:54
○A188.114.96.02026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-23 16:45:54
● 2026-02-27 12:03:02
○ 2026-03-30 20:02:20
○ 2026-06-02 16:57:54
○A188.114.97.02026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-23 16:45:54
● 2026-02-27 12:03:02
○ 2026-03-30 20:02:20
○ 2026-06-02 16:57:54
●A2606:4700:3033::6815:12e82026-02-23 → 2026-06-02 · 6 obs
○ 2017-02-17 13:04:44
● 2026-02-23 16:45:54
○ 2026-02-27 12:03:02
○ 2026-05-11 10:20:10
● 2026-05-30 22:20:08
● 2026-06-02 16:57:54
●A2606:4700:3036::ac43:b7e12026-02-23 → 2026-06-02 · 6 obs
○ 2017-02-17 13:04:44
● 2026-02-23 16:45:54
○ 2026-02-27 12:03:02
○ 2026-05-11 10:20:10
● 2026-05-30 22:20:08
● 2026-06-02 16:57:54
○A2a06:98c1:3120::2026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-23 16:45:54
● 2026-02-27 12:03:02
○ 2026-03-30 20:02:20
○ 2026-06-02 16:57:54
○A2a06:98c1:3121::2026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-23 16:45:54
● 2026-02-27 12:03:02
○ 2026-03-30 20:02:20
○ 2026-06-02 16:57:54
○CNAMEexp.gs-cdn.com2026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 20:02:20
○ 2026-05-11 10:20:10
○ 2026-06-02 16:57:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
zhenghao-tech.comromina.ns.cloudflare.com, watson.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.23

NS records: romina.ns.cloudflare.com, watson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zhenghao-tech.com (unsigned zone)

⏱️ Timing

Total: 137ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.183.225, 104.21.18.232
AAAA22606:4700:3036::ac43:b7e1, 2606:4700:3033::6815:12e8
NS2romina.ns.cloudflare.com, watson.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1romina.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (romina.ns.cloudflare.com, romina.ns.cloudflare.com, romina.ns.cloudflare.com...)

Analysis

IP Addresses

zhenghao-tech.com has 4 IP addresses: 104.21.18.232, 172.67.183.225, 2606:4700:3033::6815:12e8 and 2606:4700:3036::ac43:b7e1.

sina-china.com, deinprofil.com, kabarinaja.site and two other host names share IP numbers with zhenghao-tech.com.

Name Servers

The NS records for zhenghao-tech.com delegate to romina.ns.cloudflare.com and watson.ns.cloudflare.com.

zhenghao-tech.com uses the same name servers as several other domains — among them sulusuji.com, aitaoya.com, fooboys.com and two more.

zhenghao-tech.com has at least partial name server overlap with other domains, such as vincar.com.sg, cacinp.org.br, noritakechinaset.org and two others.

It is common to find these name servers paired with the name servers lamar.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

romina.ns.cloudflare.com has IP addresses 108.162.194.159, 162.159.38.159, 172.64.34.159 plus three more.

watson.ns.cloudflare.com has IP addresses 108.162.195.23, 162.159.44.23, 172.64.35.23 plus three more.