qd51.cn - robtex.com

qd51.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:1926🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:de99🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.38Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.153🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSali.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRali.ns.cloudflare.com
A2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRali.ns.cloudflare.com
A108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
NSdan.ns.cloudflare.com
A2606:4700:58::adf5:3b6c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
A2803:f800:50::6ca2:c16c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdan.ns.cloudflare.com
A2a06:98c1:50::ac40:216c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdan.ns.cloudflare.com
A108.162.193.108🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
A172.64.33.108🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
A173.245.59.108🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.38, 172.67.222.153
IPv6 hints2606:4700:3033::6815:1926, 2606:4700:3035::ac43:de99
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=227, name=cloudflare-ech.com
SOAali.ns.cloudflare.comdns@cloudflare.com serial=2401723850

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=2034708553

Same first word

qd51.cn

Similar names

51qd.cn
qd15.net
d51q.com

DNS History

15 records (6 active, 9 former)

201820192020202120222023202420252026NSali.ns.cloudflare.comdan.ns.cloudflare.comchin.ns.cloudflare.commerlin.ns.cloudflare.comns1.nowcndns.comns2.nowcndns.comA104.21.25.38172.67.222.1532606:4700:3033::6815:19262606:4700:3035::ac43:de99104.28.0.190104.28.1.190154.85.214.102400:cb00:2048:1::681c:1be2400:cb00:2048:1::681c:be
●NSali.ns.cloudflare.com2026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-15 06:15:40
● 2026-04-24 23:19:58
○NSchin.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 15:07:10
○ 2026-04-13 02:04:54
○ 2026-04-24 23:19:58
●NSdan.ns.cloudflare.com2026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-15 06:15:40
● 2026-04-24 23:19:58
○NSmerlin.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 15:07:10
○ 2026-04-13 02:04:54
○ 2026-04-24 23:19:58
○NSns1.nowcndns.com2026-04-13 → 2026-04-15 · 4 obs
○ 2017-03-16 15:07:10
● 2026-04-13 02:04:54
● 2026-04-15 06:15:40
○ 2026-04-24 23:19:58
○NSns2.nowcndns.com2026-04-13 → 2026-04-15 · 4 obs
○ 2017-03-16 15:07:10
● 2026-04-13 02:04:54
● 2026-04-15 06:15:40
○ 2026-04-24 23:19:58
●A104.21.25.382026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-15 06:15:40
● 2026-04-24 23:19:58
○A104.28.0.1902017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 15:07:10
○ 2026-04-13 02:04:54
○ 2026-04-24 23:19:58
○A104.28.1.1902017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 15:07:10
○ 2026-04-13 02:04:54
○ 2026-04-24 23:19:58
○A154.85.214.102026-04-13 → 2026-04-15 · 4 obs
○ 2017-03-16 15:07:10
● 2026-04-13 02:04:54
● 2026-04-15 06:15:40
○ 2026-04-24 23:19:58
●A172.67.222.1532026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-15 06:15:40
● 2026-04-24 23:19:58
○A2400:cb00:2048:1::681c:1be2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 15:07:10
○ 2026-04-13 02:04:54
○ 2026-04-24 23:19:58
○A2400:cb00:2048:1::681c:be2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 15:07:10
○ 2026-04-13 02:04:54
○ 2026-04-24 23:19:58
●A2606:4700:3033::6815:19262026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-15 06:15:40
● 2026-04-24 23:19:58
●A2606:4700:3035::ac43:de992026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-15 06:15:40
● 2026-04-24 23:19:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
qd51.cnali.ns.cloudflare.com, dan.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.59

NS records: ali.ns.cloudflare.com, dan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qd51.cn (unsigned zone)

⏱️ Timing

Total: 1111ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.222.153, 104.21.25.38
AAAA22606:4700:3035::ac43:de99, 2606:4700:3033::6815:1926
NS2ali.ns.cloudflare.com, dan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ali.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

qd51.cn resolves to four IP numbers: 2606:4700:3033::6815:1926, 2606:4700:3035::ac43:de99, 104.21.25.38 and 172.67.222.153.

other host names for instance zisowitineaindustries.click, iupatdc3.org, lchf.com.br, sevastopol1.prostitutki-box.com and 719281.com share IP numbers with qd51.cn.

Name Servers

qd51.cn is delegated to two name servers: ali.ns.cloudflare.com and dan.ns.cloudflare.com.

qd51.cn shares the same name server setup as other domains, for example lymyxx.com, jnlxsc.cn, chj888.com, sepresin.com and dggbs.com.

qd51.cn at least partially shares name servers with other domains, for instance gmsdelyxe777.com, sparkind.com, mdokuwiki.com, janvangentsloepen.eu and santa-maura.com.

These name servers are commonly used with peyton.ns.cloudflare.com, matteo.ns.cloudflare.com and earl.ns.cloudflare.com.

Host names with six IP numbers:

ali.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59; dan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6c, 2803:f800:50::6ca2:c16c, 2a06:98c1:50::ac40:216c, 108.162.193.108, 172.64.33.108 and 173.245.59.108.