`21sjf.com`

DNSSEC	⚠️ Not signed
A	38.6.119.45^{🇺🇸 AS39882338.6.64.0/18 PEG TECH INC PT-82}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1772472330

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774564217

Previously MX for

21sjf.com

Same first word

21sjf.com

Similar names

jsf12.com

DNS History

20 records (5 active, 15 former)

○NScpanel532.nlrs.jp2015-07-19 → 2015-07-19 · 4 obs

○ 2008-11-13 09:08:16
● 2015-07-19 21:40:52
○ 2016-06-20 02:41:16
○ 2026-03-26 22:50:24

○NScpdns.nlrs.jp2015-07-19 → 2015-07-19 · 4 obs

○ 2008-11-13 09:08:16
● 2015-07-19 21:40:52
○ 2016-06-20 02:41:16
○ 2026-03-26 22:50:24

○NSdns21.hichina.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 09:08:16
○ 2015-07-19 21:40:52
○ 2026-03-26 22:50:24

○NSdns22.hichina.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 09:08:16
○ 2015-07-19 21:40:52
○ 2026-03-26 22:50:24

○NSf1g1ns1.dnspod.net2016-06-20 → 2017-01-23 · 5 obs

○ 2015-07-19 21:40:52
● 2016-06-20 02:41:16
● 2017-01-23 19:28:46
○ 2018-07-29 18:42:18
○ 2026-03-26 22:50:24

○NSf1g1ns2.dnspod.net2016-06-20 → 2016-06-20 · 4 obs

○ 2015-07-19 21:40:52
● 2016-06-20 02:41:16
○ 2018-07-29 18:42:18
○ 2026-03-26 22:50:24

●NSns1.judns.com2026-03-08 → 2026-03-26 · 3 obs

○ 2018-07-29 18:42:18
● 2026-03-08 21:03:00
● 2026-03-26 22:50:24

●NSns1.julydns.com2026-03-08 → 2026-03-26 · 3 obs

○ 2018-07-29 18:42:18
● 2026-03-08 21:03:00
● 2026-03-26 22:50:24

●NSns2.judns.com2026-03-08 → 2026-03-26 · 3 obs

○ 2018-07-29 18:42:18
● 2026-03-08 21:03:00
● 2026-03-26 22:50:24

●NSns2.julydns.com2026-03-08 → 2026-03-26 · 3 obs

○ 2018-07-29 18:42:18
● 2026-03-08 21:03:00
● 2026-03-26 22:50:24

○NSns49.domaincontrol.com2018-07-29 → 2018-07-29 · 4 obs

○ 2017-01-23 19:28:46
● 2018-07-29 18:42:18
○ 2026-03-08 21:03:00
○ 2026-03-26 22:50:24

○NSns50.domaincontrol.com2018-07-29 → 2018-07-29 · 4 obs

○ 2017-01-23 19:28:46
● 2018-07-29 18:42:18
○ 2026-03-08 21:03:00
○ 2026-03-26 22:50:24

○MX21sjf.com2015-07-19 → 2015-07-19 · 4 obs

○ 2008-11-13 09:08:16
● 2015-07-19 21:40:52
○ 2016-06-20 02:41:16
○ 2026-03-26 22:50:24

○MXmail.21sjf.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 09:08:16
○ 2015-07-19 21:40:52
○ 2026-03-26 22:50:24

○A103.206.36.942016-06-20 → 2017-01-23 · 5 obs

○ 2015-07-19 21:40:52
● 2016-06-20 02:41:16
● 2017-01-23 19:28:46
○ 2018-07-29 18:42:18
○ 2026-03-26 22:50:24

○A202.208.203.212015-07-19 → 2015-07-19 · 4 obs

○ 2008-11-13 09:08:16
● 2015-07-19 21:40:52
○ 2016-06-20 02:41:16
○ 2026-03-26 22:50:24

○A222.186.191.1082008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 09:08:16
○ 2015-07-19 21:40:52
○ 2026-03-26 22:50:24

○A38.6.119.1892026-03-08 → 2026-03-26 · 2 obs

○ 2026-03-08 21:03:00
○ 2026-03-26 22:50:24

●A38.6.119.452026-03-08 → 2026-03-26 · 3 obs

○ 2018-07-29 18:42:18
● 2026-03-08 21:03:00
● 2026-03-26 22:50:24

○A45.58.184.2362018-07-29 → 2018-07-29 · 4 obs

○ 2017-01-23 19:28:46
● 2018-07-29 18:42:18
○ 2026-03-08 21:03:00
○ 2026-03-26 22:50:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21sjf.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 356ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.6.119.45`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

21sjf.com resolves to a single IP address: 38.6.119.45.

Other host names including a5xn.gxsongwang.com, 37wq.gxsongwang.com, m.txymtb.com, gxlhxjs.com and djwut.com share IP numbers with 21sjf.com.

Name Servers

21sjf.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

21sjf.com at least partially shares name servers with other domains, including 132n.com, sajn.cn, powersteel.net, chengxd.com and tianjihuifu.com.