256u.cn - robtex.com

256u.cn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3bb4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b609🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.180Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.182.9🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSpablo.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bdc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
A2803:f800:50::6ca2:c1dc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpablo.ns.cloudflare.com
A2a06:98c1:50::ac40:21dc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpablo.ns.cloudflare.com
A108.162.193.220🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
A172.64.33.220🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
A173.245.59.220🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
NSraphaela.ns.cloudflare.com
A2606:4700:50::a29f:26c0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraphaela.ns.cloudflare.com
A2803:f800:50::6ca2:c2c0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRraphaela.ns.cloudflare.com
A2a06:98c1:50::ac40:22c0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRraphaela.ns.cloudflare.com
A108.162.194.192🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraphaela.ns.cloudflare.com
A162.159.38.192Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraphaela.ns.cloudflare.com
A172.64.34.192🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraphaela.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.59.180, 172.67.182.9
IPv6 hints2606:4700:3032::6815:3bb4, 2606:4700:3036::ac43:b609
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOApablo.ns.cloudflare.comdns@cloudflare.com serial=2400879693

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=2034665214

Same first word

256u.cn
256u.com

Similar names

2u65.com
5u26.com
u625.cn
526u.cn
265u.com
u256.com
526u.com
u526.info
625u.com
u625.com
62u5.com

DNS History

9 records (6 active, 3 former)

20192020202120222023202420252026NSpablo.ns.cloudflare.comraphaela.ns.cloudflare.comns2.dnsdun.comns2.dnsdun.netA104.21.59.180172.67.182.92606:4700:3032::6815:3bb42606:4700:3036::ac43:b60923.224.136.68
○NSns2.dnsdun.com2018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 04:06:04
○ 2026-04-08 06:22:16
○ 2026-04-13 06:54:48
○NSns2.dnsdun.net2018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 04:06:04
○ 2026-04-08 06:22:16
○ 2026-04-13 06:54:48
●NSpablo.ns.cloudflare.com2026-04-08 → 2026-04-13 · 3 obs
○ 2018-11-07 04:06:04
● 2026-04-08 06:22:16
● 2026-04-13 06:54:48
●NSraphaela.ns.cloudflare.com2026-04-08 → 2026-04-13 · 3 obs
○ 2018-11-07 04:06:04
● 2026-04-08 06:22:16
● 2026-04-13 06:54:48
●A104.21.59.1802026-04-08 → 2026-04-13 · 3 obs
○ 2018-11-07 04:06:04
● 2026-04-08 06:22:16
● 2026-04-13 06:54:48
●A172.67.182.92026-04-08 → 2026-04-13 · 3 obs
○ 2018-11-07 04:06:04
● 2026-04-08 06:22:16
● 2026-04-13 06:54:48
○A23.224.136.682018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 04:06:04
○ 2026-04-08 06:22:16
○ 2026-04-13 06:54:48
●A2606:4700:3032::6815:3bb42026-04-08 → 2026-04-13 · 3 obs
○ 2018-11-07 04:06:04
● 2026-04-08 06:22:16
● 2026-04-13 06:54:48
●A2606:4700:3036::ac43:b6092026-04-08 → 2026-04-13 · 3 obs
○ 2018-11-07 04:06:04
● 2026-04-08 06:22:16
● 2026-04-13 06:54:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...-
256u.cnpablo.ns.cloudflare.com, raphaela.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.192

NS records: pablo.ns.cloudflare.com, raphaela.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 256u.cn (unsigned zone)

⏱️ Timing

Total: 865ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.59.180, 172.67.182.9
AAAA22606:4700:3036::ac43:b609, 2606:4700:3032::6815:3bb4
NS2pablo.ns.cloudflare.com, raphaela.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1pablo.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

256u.cn points to four IP numbers: 2606:4700:3032::6815:3bb4, 2606:4700:3036::ac43:b609, 104.21.59.180 and 172.67.182.9.

Other host names, for instance bait.bg, artionel.com, plastograf.com, upes3.edu.vn and 166job.cn share IP numbers with 256u.cn.

Name Servers

256u.cn's delegation is to two name servers pablo.ns.cloudflare.com and raphaela.ns.cloudflare.com.

256u.cn shares the same name server configuration as other domains, such as zwhf.net, ltedc.com, bestartex.com, bc369.net and 52lexuexi.cn.

256u.cn at least partially shares its name servers with other domains, for instance hh134.com, gradall.com, preggo(0x706f726e)video.com, ndx-gasing777ten.shop and aiyym.com.

these name servers are commonly used together with ignat.ns.cloudflare.com, donna.ns.cloudflare.com, gina.ns.cloudflare.com and grace.ns.cloudflare.com.

Host names with six IP numbers:

pablo.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdc, 2803:f800:50::6ca2:c1dc, 2a06:98c1:50::ac40:21dc, 108.162.193.220, 172.64.33.220 and 173.245.59.220.

raphaela.ns.cloudflare.com points to: 2606:4700:50::a29f:26c0, 2803:f800:50::6ca2:c2c0, 2a06:98c1:50::ac40:22c0, 108.162.194.192, 162.159.38.192 and 172.64.34.192.