51sichu.com - robtex.com

51sichu.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:245c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:bfc3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.92Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.195🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkip.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b80🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
A2803:f800:50::6ca2:c180🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkip.ns.cloudflare.com
A2a06:98c1:50::ac40:2180🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkip.ns.cloudflare.com
A108.162.193.128🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
A172.64.33.128🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
A173.245.59.128🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
NSryleigh.ns.cloudflare.com
A2606:4700:50::a29f:26c6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A2803:f800:50::6ca2:c2c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRryleigh.ns.cloudflare.com
A2a06:98c1:50::ac40:22c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRryleigh.ns.cloudflare.com
A108.162.194.198🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A162.159.38.198Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A172.64.34.198🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.92, 172.67.191.195
IPv6 hints2606:4700:3032::6815:245c, 2606:4700:3037::ac43:bfc3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOAkip.ns.cloudflare.comdns@cloudflare.com serial=2404151498

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=1782049725
rank #845858 globally
rank #384094 in the tld

Same first word

51sichu.com

DNS History

9 records (6 active, 3 former)

201820192020202120222023202420252026NSkip.ns.cloudflare.comryleigh.ns.cloudflare.comA104.21.36.92172.67.191.1952606:4700:3032::6815:245c2606:4700:3037::ac43:bfc32606:4700:3030::ac43:bfc32606:4700:3037::6815:245cCNAMEpk.22.cn
●NSkip.ns.cloudflare.com2026-05-17 → 2026-06-21 · 2 obs
● 2026-05-17 06:27:56
● 2026-06-21 14:06:40
●NSryleigh.ns.cloudflare.com2026-05-17 → 2026-06-21 · 2 obs
● 2026-05-17 06:27:56
● 2026-06-21 14:06:40
●A104.21.36.922026-05-17 → 2026-06-21 · 2 obs
● 2026-05-17 06:27:56
● 2026-06-21 14:06:40
●A172.67.191.1952026-05-17 → 2026-06-21 · 2 obs
● 2026-05-17 06:27:56
● 2026-06-21 14:06:40
○A2606:4700:3030::ac43:bfc32026-05-17 → 2026-05-17 · 3 obs
● 2026-05-17 06:27:56
○ 2026-06-21 14:06:38
○ 2026-06-21 14:06:40
●A2606:4700:3032::6815:245c2026-06-21 → 2026-06-21 · 3 obs
○ 2026-05-17 06:27:56
● 2026-06-21 14:06:38
● 2026-06-21 14:06:40
○A2606:4700:3037::6815:245c2026-05-17 → 2026-05-17 · 3 obs
● 2026-05-17 06:27:56
○ 2026-06-21 14:06:38
○ 2026-06-21 14:06:40
●A2606:4700:3037::ac43:bfc32026-06-21 → 2026-06-21 · 3 obs
○ 2026-05-17 06:27:56
● 2026-06-21 14:06:38
● 2026-06-21 14:06:40
○CNAMEpk.22.cn2017-09-22 → 2017-09-22 · 3 obs
● 2017-09-22 15:02:14
○ 2026-05-17 06:27:56
○ 2026-06-21 14:06:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
51sichu.comkip.ns.cloudflare.com, ryleigh.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.198

NS records: kip.ns.cloudflare.com, ryleigh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 129ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.36.92, 172.67.191.195
AAAA22606:4700:3032::6815:245c, 2606:4700:3037::ac43:bfc3
NS2kip.ns.cloudflare.com, ryleigh.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kip.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51sichu.com has four IP addresses: 104.21.36.92, 172.67.191.195, 2606:4700:3032::6815:245c and 2606:4700:3037::ac43:bfc3.

Additional host names — gerling-arendt.de, token77-bit.com, bums-bus.com and two others — share IP numbers with 51sichu.com.

Name Servers

51sichu.com has two authoritative name servers — kip.ns.cloudflare.com and ryleigh.ns.cloudflare.com.

51sichu.com shares its name server setup with other domains, including tianjinyinxingerji.com, bithugging.com, kunjihua.com and two others.

51sichu.com partially shares its NS delegation with several other domains, including inovpol.pl, remax-austria.com, betestrela-br.com and two others.

Host names with 6 IP numbers:

kip.ns.cloudflare.com points to 108.162.193.128, 172.64.33.128, 173.245.59.128 and 3 other IP addresses.

ryleigh.ns.cloudflare.com points to 108.162.194.198, 162.159.38.198, 172.64.34.198 and 3 other IP addresses.