u31u.com - robtex.com

u31u.com

DNSSEC⚠️ Not signed
A104.21.72.137Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.37🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalla.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A2803:f800:50::6ca2:c03e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalla.ns.cloudflare.com
A2a06:98c1:50::ac40:203e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalla.ns.cloudflare.com
A108.162.192.62🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A172.64.32.62🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A173.245.58.62🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
NScash.ns.cloudflare.com
A2606:4700:58::adf5:3b51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
A2803:f800:50::6ca2:c151🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcash.ns.cloudflare.com
A2a06:98c1:50::ac40:2151🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcash.ns.cloudflare.com
A108.162.193.81🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
A172.64.33.81🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
A173.245.59.81🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcash.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.137, 172.67.151.37
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOAalla.ns.cloudflare.comdns@cloudflare.com serial=2399899535

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=1775117657

Same first word

u31u.com

Similar names

uu13.cn
13uu.com
uu31.com

DNS History

10 records (4 active, 6 former)

2017201820192020202120222023202420252026NSalla.ns.cloudflare.comcash.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comA104.21.72.137172.67.151.378.5.1.48
●NSalla.ns.cloudflare.com2026-03-02 → 2026-04-02 · 3 obs
○ 2018-07-21 09:21:30
● 2026-03-02 23:46:22
● 2026-04-02 08:35:00
●NScash.ns.cloudflare.com2026-03-02 → 2026-04-02 · 3 obs
○ 2018-07-21 09:21:30
● 2026-03-02 23:46:22
● 2026-04-02 08:35:00
○NSdns1.name-services.com2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 14:27:32
○ 2018-07-21 09:21:30
○ 2026-04-02 08:35:00
○NSdns2.name-services.com2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 14:27:32
○ 2018-07-21 09:21:30
○ 2026-04-02 08:35:00
○NSdns3.name-services.com2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 14:27:32
○ 2018-07-21 09:21:30
○ 2026-04-02 08:35:00
○NSdns4.name-services.com2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 14:27:32
○ 2018-07-21 09:21:30
○ 2026-04-02 08:35:00
○NSdns5.name-services.com2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 14:27:32
○ 2018-07-21 09:21:30
○ 2026-04-02 08:35:00
●A104.21.72.1372026-03-02 → 2026-04-02 · 3 obs
○ 2018-07-21 09:21:30
● 2026-03-02 23:46:22
● 2026-04-02 08:35:00
●A172.67.151.372026-03-02 → 2026-04-02 · 3 obs
○ 2018-07-21 09:21:30
● 2026-03-02 23:46:22
● 2026-04-02 08:35:00
○A8.5.1.482016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 14:27:32
○ 2018-07-21 09:21:30
○ 2026-04-02 08:35:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
u31u.comalla.ns.cloudflare.com, cash.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.81

NS records: alla.ns.cloudflare.com, cash.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u31u.com (unsigned zone)

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.72.137, 172.67.151.37
NS2alla.ns.cloudflare.com, cash.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alla.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

u31u.com resolves to two IP numbers: 104.21.72.137 and 172.67.151.37.

other host names including fazhixuexiwang.cn, www.tea369.net, alisonjohnsonmcs.com, volleygame.cn and manleymclachlan.com share IP numbers with u31u.com.

Name Servers

u31u.com is delegated to two name servers alla.ns.cloudflare.com and cash.ns.cloudflare.com.

u31u.com shares the same name server setup as other domains, for instance realbalompedicalinense.es, holo.host, fkenz.top, nosnilmot.mobi and nuuanuparkside.com.

u31u.com at least partially shares name servers with other domains, for instance storyports.com, collavia.com, pranagha.com, gsmx.net and nur.us.

These name servers are commonly used with sreeni.ns.cloudflare.com, jessica.ns.cloudflare.com and tim.ns.cloudflare.com.

Host names with six IP numbers:

Host name alla.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3e, 2803:f800:50::6ca2:c03e, 2a06:98c1:50::ac40:203e, 108.162.192.62, 172.64.32.62 and 173.245.58.62.

Host name cash.ns.cloudflare.com points to: 2606:4700:58::adf5:3b51, 2803:f800:50::6ca2:c151, 2a06:98c1:50::ac40:2151, 108.162.193.81, 172.64.33.81 and 173.245.59.81.