computer21.com - dns.ninja

computer21.com

DNSSEC⚠️ Not signed
A64.190.63.222🇩🇪 SEDO64.190.62.0/23 -NET2-PI
NSns1.sedoparking.com ⭐
A3.130.216.63🇺🇸 Amazon3.130.0.0/16 EC2 CMH prefix
PTRec2-3-130-216-63.us-east-2.compute.amazonaws.com
A91.195.241.8🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSns2.sedoparking.com
A34.211.188.210🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix
PTRec2-34-211-188-210.us-west-2.compute.amazonaws.com
A91.195.240.8🇩🇪 SEDO91.195.240.0/23 -NET-PI
MXlocalhost ⭐
TXTv=spf1 -all
SOAns1.sedoparking.comhostmaster@sedo.de 2018-05-16 #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=1783228786

Same first word

computer21.biz
computer21.ru
computer21.com
computer21.de

Similar names

21computer.de

DNS History

9 records (4 active, 5 former)

201020122014201620182020202220242026NSns1.sedoparking.comns2.sedoparking.comauth00.ns.superkay.comauth01.ns.superkay.comauth02.ns.superkay.comMXlocalhostloc.computer21.comA64.190.63.22261.250.92.175
○NSauth00.ns.superkay.com2009-01-31 → 2009-01-31 · 3 obs
● 2009-01-31 00:24:14
○ 2015-07-04 19:53:46
○ 2026-07-05 05:48:24
○NSauth01.ns.superkay.com2009-01-31 → 2009-01-31 · 3 obs
● 2009-01-31 00:24:14
○ 2015-07-04 19:53:46
○ 2026-07-05 05:48:24
○NSauth02.ns.superkay.com2009-01-31 → 2009-01-31 · 3 obs
● 2009-01-31 00:24:14
○ 2015-07-04 19:53:46
○ 2026-07-05 05:48:24
●NSns1.sedoparking.com2026-04-02 → 2026-07-05 · 3 obs
○ 2015-07-04 19:53:46
● 2026-04-02 01:47:02
● 2026-07-05 05:48:24
●NSns2.sedoparking.com2026-04-02 → 2026-07-05 · 3 obs
○ 2015-07-04 19:53:46
● 2026-04-02 01:47:02
● 2026-07-05 05:48:24
○MXloc.computer21.com2009-01-31 → 2009-01-31 · 3 obs
● 2009-01-31 00:24:14
○ 2015-07-04 19:53:46
○ 2026-07-05 05:48:24
●MXlocalhost2026-04-02 → 2026-07-05 · 3 obs
○ 2015-07-04 19:53:46
● 2026-04-02 01:47:02
● 2026-07-05 05:48:24
○A61.250.92.1752009-01-31 → 2009-01-31 · 3 obs
● 2009-01-31 00:24:14
○ 2015-07-04 19:53:46
○ 2026-07-05 05:48:24
●A64.190.63.2222026-04-02 → 2026-07-05 · 3 obs
○ 2015-07-04 19:53:46
● 2026-04-02 01:47:02
● 2026-07-05 05:48:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
computer21.comns1.sedoparking.com, ns2.sedoparking.com2 records

✅ Authoritative Response

Server:91.195.240.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computer21.com (unsigned zone)

⏱️ Timing

Total: 3251ms | Queries: -

📄 Records

TypeCountSample Data
A164.190.63.222
NS2ns1.sedoparking.com, ns2.sedoparking.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1ns1.sedoparking.com hostmaster.sedo.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.sedoparking.com, ns2.sedoparking.com)

Analysis

IP Addresses

computer21.com resolves to one IP address: 64.190.63.222.

lenaonline.de, mx1.pb-pac.com, vacances24.com and two other host names share IP numbers with computer21.com.

Name Servers

DNS delegation for computer21.com points to two name servers: ns1.sedoparking.com and ns2.sedoparking.com.

computer21.com uses the same name servers as several other domains — among them autodiscover.120kmh.com, dollhousefitness.com, mail.007love.com and two more.

Some name servers delegated to computer21.com are also used by other domains, notably iyot.net and (0x736c7574)s.academy.

ns1.sedoparking.com directs to 3.130.216.63 and 91.195.241.8. ns2.sedoparking.com directs to 34.211.188.210 and 91.195.240.8. Each host name carries two IP addresses.

Mail Servers

Mail for computer21.com is handled by a single mail server, localhost.

computer21.com uses an identical mail server configuration to several other domains — among them anwalthess.de, mx2.weareweb.de, www.nangha.com and two more.