21guan.com - robtex.com

21guan.com

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:4d4a🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cd60🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.74Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.96🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjulissa.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2669🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
A2803:f800:50::6ca2:c269🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjulissa.ns.cloudflare.com
A2a06:98c1:50::ac40:2269🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjulissa.ns.cloudflare.com
A108.162.194.105🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
A162.159.38.105Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
A172.64.34.105🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
NSyew.ns.cloudflare.com
A2606:4700:58::a29f:2c50🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
A2803:f800:50::6ca2:c350🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRyew.ns.cloudflare.com
A2a06:98c1:50::ac40:2350🇺🇸 Cloudflare2a06:98c1:50::/45
PTRyew.ns.cloudflare.com
A108.162.195.80🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
A162.159.44.80Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
A172.64.35.80🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.77.74, 172.67.205.96
IPv62606:4700:3036::6815:4d4a, 2606:4700:3037::ac43:cd60
SOAjulissa.ns.cloudflare.comdns@cloudflare.com serial=2399311251

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=1774867472

Same first word

21guan.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSjulissa.ns.cloudflare.comyew.ns.cloudflare.comdns10.hichina.comdns9.hichina.comns15.xincache.comns16.xincache.comA104.21.77.74172.67.205.962606:4700:3036::6815:4d4a2606:4700:3037::ac43:cd60119.28.75.249180.86.155.18747.88.50.1647.88.9.10947.90.20.180CNAMEns.wangguai.com
○NSdns10.hichina.com2016-07-04 → 2017-02-16 · 5 obs
○ 2015-12-04 12:41:24
● 2016-07-04 09:14:14
● 2017-02-16 07:55:58
○ 2026-03-24 04:20:08
○ 2026-03-30 10:59:18
○NSdns9.hichina.com2016-07-04 → 2017-02-16 · 5 obs
○ 2015-12-04 12:41:24
● 2016-07-04 09:14:14
● 2017-02-16 07:55:58
○ 2026-03-24 04:20:08
○ 2026-03-30 10:59:18
●NSjulissa.ns.cloudflare.com2026-03-24 → 2026-03-30 · 3 obs
○ 2017-02-16 07:55:58
● 2026-03-24 04:20:08
● 2026-03-30 10:59:18
○NSns15.xincache.com2015-08-15 → 2015-08-15 · 3 obs
● 2015-08-15 02:05:54
○ 2016-07-04 09:14:14
○ 2026-03-30 10:59:18
○NSns16.xincache.com2015-08-15 → 2015-12-04 · 4 obs
● 2015-08-15 02:05:54
● 2015-12-04 12:41:24
○ 2016-07-04 09:14:14
○ 2026-03-30 10:59:18
●NSyew.ns.cloudflare.com2026-03-24 → 2026-03-30 · 3 obs
○ 2017-02-16 07:55:58
● 2026-03-24 04:20:08
● 2026-03-30 10:59:18
●A104.21.77.742026-03-24 → 2026-03-30 · 3 obs
○ 2020-01-12 20:13:48
● 2026-03-24 04:20:08
● 2026-03-30 10:59:18
○A119.28.75.2492020-01-12 → 2020-01-12 · 4 obs
○ 2017-02-16 07:55:58
● 2020-01-12 20:13:48
○ 2026-03-24 04:20:08
○ 2026-03-30 10:59:18
●A172.67.205.962026-03-24 → 2026-03-30 · 3 obs
○ 2020-01-12 20:13:48
● 2026-03-24 04:20:08
● 2026-03-30 10:59:18
○A180.86.155.1872015-08-15 → 2015-08-15 · 3 obs
● 2015-08-15 02:05:54
○ 2016-07-04 09:14:14
○ 2026-03-30 10:59:18
●A2606:4700:3036::6815:4d4a2026-03-24 → 2026-03-30 · 3 obs
○ 2020-01-12 20:13:48
● 2026-03-24 04:20:08
● 2026-03-30 10:59:18
●A2606:4700:3037::ac43:cd602026-03-24 → 2026-03-30 · 3 obs
○ 2020-01-12 20:13:48
● 2026-03-24 04:20:08
● 2026-03-30 10:59:18
○A47.88.50.162016-07-04 → 2016-07-04 · 4 obs
○ 2015-08-15 02:05:54
● 2016-07-04 09:14:14
○ 2017-02-16 07:55:58
○ 2026-03-30 10:59:18
○A47.88.9.1092017-02-16 → 2020-01-12 · 5 obs
○ 2016-07-04 09:14:14
● 2017-02-16 07:55:58
● 2020-01-12 20:13:48
○ 2026-03-24 04:20:08
○ 2026-03-30 10:59:18
○A47.90.20.1802017-02-16 → 2017-02-16 · 4 obs
○ 2016-07-04 09:14:14
● 2017-02-16 07:55:58
○ 2020-01-12 20:13:48
○ 2026-03-30 10:59:18
○CNAMEns.wangguai.com2016-07-04 → 2017-02-16 · 4 obs
● 2016-07-04 09:14:14
● 2017-02-16 07:55:58
○ 2020-01-12 20:13:48
○ 2026-03-30 10:59:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...-
21guan.comjulissa.ns.cloudflare.com, yew.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.105

NS records: julissa.ns.cloudflare.com, yew.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21guan.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.96, 104.21.77.74
AAAA22606:4700:3036::6815:4d4a, 2606:4700:3037::ac43:cd60
NS2julissa.ns.cloudflare.com, yew.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1julissa.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21guan.com points to four IP numbers: 2606:4700:3036::6815:4d4a, 2606:4700:3037::ac43:cd60, 104.21.77.74 and 172.67.205.96.

Other host names, for instance ipes.org, www.bet88sport.com, privateclientrealty.org, momovay.com and aprendizajeeficaz.com.mx share IP numbers with 21guan.com.

Name Servers

Delegation for 21guan.com rests with two name servers, julissa.ns.cloudflare.com and yew.ns.cloudflare.com.

21guan.com shares the same name server setup as other domains, including kentajima.com, hx-zhd.com, best-water.cn, 168kaihu.com and itflyer.net.

21guan.com at least partially shares name servers with other domains, for instance recoveryfiles.ru, commoditymarkts.com, d388arquitectura.net, spades.pro and niti.edu.sa.

These name servers are commonly used with eve.ns.cloudflare.com and huxley.ns.cloudflare.com.

Host names with six IP numbers: julissa.ns.cloudflare.com points to: 2606:4700:50::a29f:2669, 2803:f800:50::6ca2:c269, 2a06:98c1:50::ac40:2269, 108.162.194.105, 162.159.38.105 and 172.64.34.105. yew.ns.cloudflare.com points to: 2606:4700:58::a29f:2c50, 2803:f800:50::6ca2:c350, 2a06:98c1:50::ac40:2350, 108.162.195.80, 162.159.44.80 and 172.64.35.80.