51znet.com - robtex.com

51znet.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b306🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:3366🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.102Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.6🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjoan.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A2803:f800:50::6ca2:c0ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjoan.ns.cloudflare.com
A2a06:98c1:50::ac40:20ad🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjoan.ns.cloudflare.com
A108.162.192.173🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A172.64.32.173🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A173.245.58.173🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
NSnorman.ns.cloudflare.com
A2606:4700:58::adf5:3bd9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorman.ns.cloudflare.com
A2803:f800:50::6ca2:c1d9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnorman.ns.cloudflare.com
A2a06:98c1:50::ac40:21d9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnorman.ns.cloudflare.com
A108.162.193.217🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorman.ns.cloudflare.com
A172.64.33.217🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorman.ns.cloudflare.com
A173.245.59.217🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorman.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.51.102, 172.67.179.6
IPv62606:4700:3031::ac43:b306, 2606:4700:3032::6815:3366
SOAjoan.ns.cloudflare.comdns@cloudflare.com serial=2395858128

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=1771291435

Subdomains

www.51znet.com

Same first word

51znet.com

DNS History

15 records (6 active, 9 former)

20192020202120222023202420252026NSjoan.ns.cloudflare.comnorman.ns.cloudflare.comdns13.hichina.comdns14.hichina.comMXmxn.mxhichina.commxw.mxhichina.comA104.21.51.102172.67.179.62606:4700:3031::ac43:b3062606:4700:3032::6815:3366188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::42.51.28.171
○NSdns13.hichina.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 01:49:12
○ 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
○NSdns14.hichina.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 01:49:12
○ 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
●NSjoan.ns.cloudflare.com2026-03-06 → 2026-03-22 · 3 obs
○ 2018-05-07 01:49:12
● 2026-03-06 07:51:28
● 2026-03-22 16:47:42
●NSnorman.ns.cloudflare.com2026-03-06 → 2026-03-22 · 3 obs
○ 2018-05-07 01:49:12
● 2026-03-06 07:51:28
● 2026-03-22 16:47:42
○MXmxn.mxhichina.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 01:49:12
○ 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
○MXmxw.mxhichina.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 01:49:12
○ 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
●A104.21.51.1022026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-06 07:51:28
● 2026-03-22 16:47:42
●A172.67.179.62026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-06 07:51:28
● 2026-03-22 16:47:42
○A188.114.96.02026-03-06 → 2026-03-06 · 3 obs
○ 2018-05-07 01:49:12
● 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
○A188.114.97.02026-03-06 → 2026-03-06 · 3 obs
○ 2018-05-07 01:49:12
● 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
●A2606:4700:3031::ac43:b3062026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-06 07:51:28
● 2026-03-22 16:47:42
●A2606:4700:3032::6815:33662026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-06 07:51:28
● 2026-03-22 16:47:42
○A2a06:98c1:3120::2026-03-06 → 2026-03-06 · 3 obs
○ 2018-05-07 01:49:12
● 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
○A2a06:98c1:3121::2026-03-06 → 2026-03-06 · 3 obs
○ 2018-05-07 01:49:12
● 2026-03-06 07:51:28
○ 2026-03-22 16:47:42
○A42.51.28.1712018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 01:49:12
○ 2026-03-06 07:51:28
○ 2026-03-22 16:47:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
51znet.comnorman.ns.cloudflare.com, joan.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.173

NS records: norman.ns.cloudflare.com, joan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51znet.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.51.102, 172.67.179.6
AAAA22606:4700:3031::ac43:b306, 2606:4700:3032::6815:3366
NS2joan.ns.cloudflare.com, norman.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1joan.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

51znet.com is the parent of www.51znet.com.

IP Addresses

51znet.com points to four IP numbers: 2606:4700:3031::ac43:b306, 2606:4700:3032::6815:3366, 104.21.51.102 and 172.67.179.6.

For instance, other host names geenstijl.com, eatoes.com, www.givbctdfqxoec.site, panglimajp.com and indianriverprimarycare.com share IP numbers with 51znet.com.

Name Servers

51znet.com is delegated to two name servers: joan.ns.cloudflare.com and norman.ns.cloudflare.com.

51znet.com uses the same name server setup as other domains such as drrons.com, syw20.com, dahaozdh.com, cleanhost.co and jsool.com.

51znet.com shares name servers with other domains at least partially, for example petran.pl, jksqw.com, mitsumorihikaku.info, serverlook.com and talknestecho.com.

These name servers are often used together with the name servers eloise.ns.cloudflare.com, cloe.ns.cloudflare.com, khalid.ns.cloudflare.com, alexa.ns.cloudflare.com and lloyd.ns.cloudflare.com.

Host names with six IP numbers: host name joan.ns.cloudflare.com points to: 2606:4700:50::adf5:3aad, 2803:f800:50::6ca2:c0ad, 2a06:98c1:50::ac40:20ad, 108.162.192.173, 172.64.32.173 and 173.245.58.173; host name norman.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd9, 2803:f800:50::6ca2:c1d9, 2a06:98c1:50::ac40:21d9, 108.162.193.217, 172.64.33.217 and 173.245.59.217.