server21.net - robtex.com

server21.net

DNSSEC⚠️ Not signed
NSalec.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
A2803:f800:50::6ca2:c13b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalec.ns.cloudflare.com
A2a06:98c1:50::ac40:213b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalec.ns.cloudflare.com
A108.162.193.59🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
A172.64.33.59🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
A173.245.59.59🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
NSdeb.ns.cloudflare.com
A2606:4700:50::adf5:3a5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeb.ns.cloudflare.com
A2803:f800:50::6ca2:c05c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdeb.ns.cloudflare.com
A2a06:98c1:50::ac40:205c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdeb.ns.cloudflare.com
A108.162.192.92🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeb.ns.cloudflare.com
A172.64.32.92🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeb.ns.cloudflare.com
A173.245.58.92🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeb.ns.cloudflare.com
SOAalec.ns.cloudflare.comdns@cloudflare.com serial=2408466185

net

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=1783947052

Same first word

server21.org
server21.net
server21.eu
server21.com
server21.it

Similar names

server12.ru
server12.com
server12.de
21server.com
server12.xyz
server12.nl

DNS History

13 records (2 active, 11 former)

2017201820192020202120222023202420252026NSalec.ns.cloudflare.comdeb.ns.cloudflare.comns-1501.awsdns-59.orgns-1667.awsdns-16.co.ukns-428.awsdns-53.comns-801.awsdns-36.netns1.systemdns.comns2.systemdns.comns3.systemdns.compdns11.domaincontrol.compdns12.domaincontrol.comA184.168.221.63185.17.182.241
●NSalec.ns.cloudflare.com2026-07-10 → 2026-07-13 · 3 obs
○ 2019-12-26 07:44:46
● 2026-07-10 16:21:14
● 2026-07-13 12:52:00
●NSdeb.ns.cloudflare.com2026-07-10 → 2026-07-13 · 3 obs
○ 2019-12-26 07:44:46
● 2026-07-10 16:21:14
● 2026-07-13 12:52:00
○NSns-1501.awsdns-59.org2019-12-26 → 2019-12-26 · 4 obs
○ 2017-01-30 13:35:10
● 2019-12-26 07:44:46
○ 2026-07-10 16:21:14
○ 2026-07-13 12:52:00
○NSns-1667.awsdns-16.co.uk2019-12-26 → 2019-12-26 · 4 obs
○ 2017-01-30 13:35:10
● 2019-12-26 07:44:46
○ 2026-07-10 16:21:14
○ 2026-07-13 12:52:00
○NSns-428.awsdns-53.com2019-12-26 → 2019-12-26 · 4 obs
○ 2017-01-30 13:35:10
● 2019-12-26 07:44:46
○ 2026-07-10 16:21:14
○ 2026-07-13 12:52:00
○NSns-801.awsdns-36.net2019-12-26 → 2019-12-26 · 4 obs
○ 2017-01-30 13:35:10
● 2019-12-26 07:44:46
○ 2026-07-10 16:21:14
○ 2026-07-13 12:52:00
○NSns1.systemdns.com2016-04-28 → 2016-04-28 · 3 obs
● 2016-04-28 14:37:36
○ 2017-01-30 13:35:10
○ 2026-07-13 12:52:00
○NSns2.systemdns.com2016-04-28 → 2016-04-28 · 3 obs
● 2016-04-28 14:37:36
○ 2017-01-30 13:35:10
○ 2026-07-13 12:52:00
○NSns3.systemdns.com2016-04-28 → 2016-04-28 · 3 obs
● 2016-04-28 14:37:36
○ 2017-01-30 13:35:10
○ 2026-07-13 12:52:00
○NSpdns11.domaincontrol.com2019-12-26 → 2019-12-26 · 4 obs
○ 2017-01-30 13:35:10
● 2019-12-26 07:44:46
○ 2026-07-10 16:21:14
○ 2026-07-13 12:52:00
○NSpdns12.domaincontrol.com2019-12-26 → 2019-12-26 · 4 obs
○ 2017-01-30 13:35:10
● 2019-12-26 07:44:46
○ 2026-07-10 16:21:14
○ 2026-07-13 12:52:00
○A184.168.221.632019-12-26 → 2019-12-26 · 4 obs
○ 2017-01-30 13:35:10
● 2019-12-26 07:44:46
○ 2026-07-10 16:21:14
○ 2026-07-13 12:52:00
○A185.17.182.2412016-04-28 → 2016-04-28 · 3 obs
● 2016-04-28 14:37:36
○ 2017-01-30 13:35:10
○ 2026-07-13 12:52:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netc.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...-
server21.netdeb.ns.cloudflare.com, alec.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.59

NS records: deb.ns.cloudflare.com, alec.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for server21.net (unsigned zone)

⏱️ Timing

Total: 286ms | Queries: -

📄 Records

TypeCountSample Data
NS2alec.ns.cloudflare.com, deb.ns.cloudflare.com
SOA1alec.ns.cloudflare.com dns.cloudflare.co

Analysis

Name Servers

server21.net has two authoritative name servers — alec.ns.cloudflare.com and deb.ns.cloudflare.com.

server21.net shares its name server setup with other domains, including teparking.com, fr12328.com, estouf.com and two others.

At least some of server21.net's name servers are shared with other domains, for example raddal.com, vuepak-live.net, haishanjushi.com and two more.

These name servers tend to co-occur with nolan.ns.cloudflare.com, mina.ns.cloudflare.com, maleah.ns.cloudflare.com and 3 other name servers in the same DNS delegations.

Host names with 6 IP numbers:

alec.ns.cloudflare.com points to 108.162.193.59, 172.64.33.59, 173.245.59.59 and 3 other IP addresses.

deb.ns.cloudflare.com points to 108.162.192.92, 172.64.32.92, 173.245.58.92 and 3 other IP addresses.