21cz.com - robtex.com

21cz.com

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns2.afternic.com
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

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=1776102762

Same first word

21cz.com

Similar names

1zc2.cn
z1c2.com
cz21.net

DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comns1.sedoparking.comns2.sedoparking.comMXmail.nickstel.comA13.248.169.4876.223.54.14672.52.4.121
●NSns1.afternic.com2026-03-28 → 2026-04-13 · 3 obs
○ 2016-07-07 08:50:20
● 2026-03-28 23:53:22
● 2026-04-13 18:17:56
○NSns1.sedoparking.com2015-07-15 → 2016-07-07 · 4 obs
● 2015-07-15 06:41:22
● 2016-07-07 08:50:20
○ 2026-03-28 23:53:22
○ 2026-04-13 18:17:56
●NSns2.afternic.com2026-03-28 → 2026-04-13 · 3 obs
○ 2016-07-07 08:50:20
● 2026-03-28 23:53:22
● 2026-04-13 18:17:56
○NSns2.sedoparking.com2015-07-15 → 2016-07-07 · 4 obs
● 2015-07-15 06:41:22
● 2016-07-07 08:50:20
○ 2026-03-28 23:53:22
○ 2026-04-13 18:17:56
○MXmail.nickstel.com2015-07-15 → 2016-07-07 · 4 obs
● 2015-07-15 06:41:22
● 2016-07-07 08:50:20
○ 2026-03-28 23:53:22
○ 2026-04-13 18:17:56
●A13.248.169.482026-03-28 → 2026-04-13 · 3 obs
○ 2016-07-07 08:50:20
● 2026-03-28 23:53:22
● 2026-04-13 18:17:56
○A72.52.4.1212015-07-15 → 2016-07-07 · 4 obs
● 2015-07-15 06:41:22
● 2016-07-07 08:50:20
○ 2026-03-28 23:53:22
○ 2026-04-13 18:17:56
●A76.223.54.1462026-03-28 → 2026-04-13 · 3 obs
○ 2016-07-07 08:50:20
● 2026-03-28 23:53:22
● 2026-04-13 18:17:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net...-
21cz.comns1.afternic.com, ns2.afternic.com4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 332ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns1.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

21cz.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

other host names including availabilities.com, eboy.net, lsatgames.com, changingyourlastname.com and onsza.com share IP numbers with 21cz.com.

Name Servers

21cz.com is delegated to two name servers ns1.afternic.com and ns2.afternic.com.

21cz.com shares the same name server setup as other domains, for instance walkerautos.com, mx1.ns2.mx1.ns1.mx2.rkresources.com, datatech.ca, solarmowers.com and webmail.paksoldiers.com.

21cz.com at least partially shares name servers with other domains, for instance zone(0x736578)y.com, happydaycasino.com, nbd.info, lelanddentalcare.com and bikemy.com.

these name servers are often used together with verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-qxu9bfdaih4cxurbbn3f4d.ns101.verify.hn, verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn and verification-ma5paqvqbfktbubzbdsvzb.ns101.verify.hn.

Host names with two IP numbers:

The host name ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; the host name ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.