37cz.com - robtex.com

37cz.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:2208🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c2ad🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.34.8Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.194.173🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjimmy.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c4c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
A2803:f800:50::6ca2:c34c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjimmy.ns.cloudflare.com
A2a06:98c1:50::ac40:234c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjimmy.ns.cloudflare.com
A108.162.195.76🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
A162.159.44.76Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
A172.64.35.76🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
NSopal.ns.cloudflare.com
A2606:4700:50::a29f:2664🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRopal.ns.cloudflare.com
A2803:f800:50::6ca2:c264🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRopal.ns.cloudflare.com
A2a06:98c1:50::ac40:2264🇺🇸 Cloudflare2a06:98c1:50::/45
PTRopal.ns.cloudflare.com
A108.162.194.100🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRopal.ns.cloudflare.com
A162.159.38.100Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRopal.ns.cloudflare.com
A172.64.34.100🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRopal.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.34.8, 172.67.194.173
IPv6 hints2606:4700:3033::6815:2208, 2606:4700:3037::ac43:c2ad
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=171, name=cloudflare-ech.com
SOAjimmy.ns.cloudflare.comdns@cloudflare.com serial=2402578350

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=1778446961

Same first word

37cz.com

Similar names

zc73.com
c73z.cc
zc37.com
73zc.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSjimmy.ns.cloudflare.comopal.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netA104.21.34.8172.67.194.1732606:4700:3033::6815:22082606:4700:3037::ac43:c2ad119.28.48.215119.28.48.228CNAMEdnspod-free.mydnspod.netzhanqun.dongfenglishen.cn
○NSf1g1ns1.dnspod.net2015-06-08 → 2016-12-01 · 4 obs
● 2015-06-08 09:47:00
● 2016-12-01 21:00:04
○ 2026-03-01 07:20:02
○ 2026-05-10 21:14:54
○NSf1g1ns2.dnspod.net2015-06-08 → 2016-12-01 · 4 obs
● 2015-06-08 09:47:00
● 2016-12-01 21:00:04
○ 2026-03-01 07:20:02
○ 2026-05-10 21:14:54
●NSjimmy.ns.cloudflare.com2026-03-01 → 2026-05-10 · 3 obs
○ 2016-12-01 21:00:04
● 2026-03-01 07:20:02
● 2026-05-10 21:14:54
●NSopal.ns.cloudflare.com2026-03-01 → 2026-05-10 · 3 obs
○ 2016-12-01 21:00:04
● 2026-03-01 07:20:02
● 2026-05-10 21:14:54
●A104.21.34.82026-03-01 → 2026-05-10 · 3 obs
○ 2017-07-01 14:52:34
● 2026-03-01 07:20:02
● 2026-05-10 21:14:54
○A119.28.48.2152015-06-08 → 2015-06-08 · 3 obs
● 2015-06-08 09:47:00
○ 2017-07-01 14:52:34
○ 2026-05-10 21:14:54
○A119.28.48.2282015-10-31 → 2016-04-19 · 5 obs
○ 2015-06-08 09:47:00
● 2015-10-31 18:36:16
● 2016-04-19 06:45:50
○ 2026-03-01 07:20:02
○ 2026-05-10 21:14:54
●A172.67.194.1732026-03-01 → 2026-05-10 · 3 obs
○ 2017-07-01 14:52:34
● 2026-03-01 07:20:02
● 2026-05-10 21:14:54
●A2606:4700:3033::6815:22082026-03-01 → 2026-05-10 · 3 obs
○ 2017-07-01 14:52:34
● 2026-03-01 07:20:02
● 2026-05-10 21:14:54
●A2606:4700:3037::ac43:c2ad2026-03-01 → 2026-05-10 · 3 obs
○ 2017-07-01 14:52:34
● 2026-03-01 07:20:02
● 2026-05-10 21:14:54
○CNAMEdnspod-free.mydnspod.net2015-06-08 → 2016-04-19 · 4 obs
● 2015-06-08 09:47:00
● 2016-04-19 06:45:50
○ 2016-12-01 21:00:04
○ 2026-05-10 21:14:54
○CNAMEzhanqun.dongfenglishen.cn2017-07-01 → 2017-07-01 · 4 obs
○ 2016-12-01 21:00:04
● 2017-07-01 14:52:34
○ 2026-03-01 07:20:02
○ 2026-05-10 21:14:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...-
37cz.comopal.ns.cloudflare.com, jimmy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.76

NS records: opal.ns.cloudflare.com, jimmy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 37cz.com (unsigned zone)

⏱️ Timing

Total: 228ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.34.8, 172.67.194.173
AAAA22606:4700:3037::ac43:c2ad, 2606:4700:3033::6815:2208
NS2jimmy.ns.cloudflare.com, opal.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jimmy.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

37cz.com resolves to four IP numbers: 2606:4700:3033::6815:2208, 2606:4700:3037::ac43:c2ad, 104.21.34.8 and 172.67.194.173.

Other host names such as polotsk.iatp.by, www.togetherjs.com, barefootpsychics.com, mindnetworkrewards.xyz and www.biotrustboard.com share IPs with 37cz.com.

Name Servers

37cz.com is delegated to two name servers: jimmy.ns.cloudflare.com and opal.ns.cloudflare.com.

37cz.com shares the same name server setup as frankiemarketplace.com, sc823.com, i2599.com, 72mic.com and iik6.com.

37cz.com at least partially shares name servers with other domains, for instance treelune.com, dynamicgamblelounge.com, wittenborg.nl, alphasms.ua and iaccess.com.

these name servers are often used in conjunction with the name servers gannon.ns.cloudflare.com.

Host names with six IP numbers:

jimmy.ns.cloudflare.com points to 2606:4700:58::a29f:2c4c, 2803:f800:50::6ca2:c34c, 2a06:98c1:50::ac40:234c, 108.162.195.76, 162.159.44.76 and 172.64.35.76.

opal.ns.cloudflare.com points to 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100.