j21.com - robtex.com

j21.com

CNAMEurl.gname.net
DNSSEC⚠️ Not signed
A172.65.235.97🇺🇸 Cloudflare172.65.224.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US

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=1771291435

Subdomains

mail.j21.com

Same first word

j21.eu
j21.mobi
j21.cn
j21.mx
j21.de
j21.org
j21.com
j21.jp
j21.biz
j21.us
j21.ru

Similar names

21j.top
21j.com
j12.ir
j12.es
2j1.com
j12.com
j12.de
j12.fr
12j.net
12j.ru
21j.net
21j.nl
21j.ru
21j.org
1j2.net
21j.xyz
12j.org
j12.co
1j2.cn
2j1.cn
j12.kr
21j.jp
12j.url.tw
1j2.com
j12.org
21j.info
21j.de
j12.eu
12j.com
21j.co
j12.se
j12.ru
12j.de

DNS History

16 records (5 active, 11 former)

200920112013201520172019202120232025NSa.share-dns.coma4.share-dns.comb.share-dns.netb4.share-dns.netns-1195.awsdns-21.orgns-1610.awsdns-09.co.ukns-257.awsdns-32.comns-897.awsdns-48.netns0.j21.comns0.jj1.ne.jpns1.j21.comns1.jj1.ne.jpMXmail.j21.compostal1.est.co.jppostal3.est.co.jpCNAMEurl.gname.net
●NSa.share-dns.com2026-03-08 → 2026-03-08 · 2 obs
○ 2017-06-17 03:14:12
● 2026-03-08 09:31:08
●NSa4.share-dns.com2026-03-08 → 2026-03-08 · 2 obs
○ 2017-06-17 03:14:12
● 2026-03-08 09:31:08
●NSb.share-dns.net2026-03-08 → 2026-03-08 · 2 obs
○ 2017-06-17 03:14:12
● 2026-03-08 09:31:08
●NSb4.share-dns.net2026-03-08 → 2026-03-08 · 2 obs
○ 2017-06-17 03:14:12
● 2026-03-08 09:31:08
○NSns-1195.awsdns-21.org2015-05-30 → 2017-06-17 · 4 obs
○ 2008-01-24 23:30:22
● 2015-05-30 20:15:10
● 2017-06-17 03:14:12
○ 2026-03-08 09:31:08
○NSns-1610.awsdns-09.co.uk2015-05-30 → 2017-06-17 · 4 obs
○ 2008-01-24 23:30:22
● 2015-05-30 20:15:10
● 2017-06-17 03:14:12
○ 2026-03-08 09:31:08
○NSns-257.awsdns-32.com2015-05-30 → 2017-06-17 · 4 obs
○ 2008-01-24 23:30:22
● 2015-05-30 20:15:10
● 2017-06-17 03:14:12
○ 2026-03-08 09:31:08
○NSns-897.awsdns-48.net2015-05-30 → 2017-06-17 · 4 obs
○ 2008-01-24 23:30:22
● 2015-05-30 20:15:10
● 2017-06-17 03:14:12
○ 2026-03-08 09:31:08
○NSns0.j21.com2008-01-24 → 2008-01-24 · 3 obs
● 2008-01-24 23:30:22
○ 2015-05-30 20:15:10
○ 2026-03-08 09:31:08
○NSns0.jj1.ne.jp2008-01-24 → 2008-01-24 · 3 obs
● 2008-01-24 23:30:22
○ 2015-05-30 20:15:10
○ 2026-03-08 09:31:08
○NSns1.j21.com2008-01-24 → 2008-01-24 · 3 obs
● 2008-01-24 23:30:22
○ 2015-05-30 20:15:10
○ 2026-03-08 09:31:08
○NSns1.jj1.ne.jp2008-01-24 → 2008-01-24 · 3 obs
● 2008-01-24 23:30:22
○ 2015-05-30 20:15:10
○ 2026-03-08 09:31:08
○MXmail.j21.com2008-01-24 → 2017-06-17 · 3 obs
● 2008-01-24 23:30:22
● 2017-06-17 03:14:12
○ 2026-03-08 09:31:08
○MXpostal1.est.co.jp2008-01-24 → 2008-01-24 · 3 obs
● 2008-01-24 23:30:22
○ 2015-05-30 20:15:10
○ 2026-03-08 09:31:08
○MXpostal3.est.co.jp2008-01-24 → 2008-01-24 · 3 obs
● 2008-01-24 23:30:22
○ 2015-05-30 20:15:10
○ 2026-03-08 09:31:08
●CNAMEurl.gname.net2026-03-08 → 2026-03-08 · 1 obs
● 2026-03-08 09:31:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
j21.comb4.share-dns.net, a4.share-dns.com1 record

✅ Authoritative Response

Server: 172.64.53.25

NS records: b4.share-dns.net, a4.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for j21.com (unsigned zone)

⏱️ Timing

Total: 773ms | Queries: -

📄 Records

TypeCountSample Data
NS2a.share-dns.com, b.share-dns.net
CNAME1url.gname.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a4.share-dns.com)

Analysis

Hierarchy

j21.com is a parent of mail.j21.com.

IP Addresses

j21.com points to a single IP address: 172.65.235.97.

Other host names such as mtmarketplace.com, url.gname.net, wvmarketplace.com, get.nic.ec.cc and get.nic.us.cc share IP numbers with j21.com.