`bj-srd.com`

DNSSEC	⚠️ Not signed
A	154.12.19.51^{🇺🇸 AS401696154.12.16.0/21}
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=1770305589

`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=1774372982

Subdomains

mx.bj-srd.com

Same first word

bj-srd.com

Similar names

jrs-db.com

rsd-bj.com

DNS History

12 records (5 active, 7 former)

●NSns1.judns.com2026-03-23 → 2026-03-24 · 3 obs

○ 2017-01-22 22:36:12
● 2026-03-23 07:24:32
● 2026-03-24 17:32:34

●NSns1.julydns.com2026-03-23 → 2026-03-24 · 3 obs

○ 2017-01-22 22:36:12
● 2026-03-23 07:24:32
● 2026-03-24 17:32:34

○NSns11.xincache.com2016-01-18 → 2017-01-22 · 5 obs

○ 2015-11-05 02:04:32
● 2016-01-18 01:26:50
● 2017-01-22 22:36:12
○ 2026-03-23 07:24:32
○ 2026-03-24 17:32:34

○NSns12.xincache.com2016-01-18 → 2017-01-22 · 5 obs

○ 2015-11-05 02:04:32
● 2016-01-18 01:26:50
● 2017-01-22 22:36:12
○ 2026-03-23 07:24:32
○ 2026-03-24 17:32:34

○NSns13.xincache.com2015-09-02 → 2015-09-02 · 3 obs

● 2015-09-02 14:46:26
○ 2015-11-05 02:04:32
○ 2026-03-24 17:32:34

○NSns14.xincache.com2015-09-02 → 2015-09-02 · 3 obs

● 2015-09-02 14:46:26
○ 2015-11-05 02:04:32
○ 2026-03-24 17:32:34

●NSns2.judns.com2026-03-23 → 2026-03-24 · 3 obs

○ 2017-01-22 22:36:12
● 2026-03-23 07:24:32
● 2026-03-24 17:32:34

●NSns2.julydns.com2026-03-23 → 2026-03-24 · 3 obs

○ 2017-01-22 22:36:12
● 2026-03-23 07:24:32
● 2026-03-24 17:32:34

○MXmail.skrimple.com2016-12-02 → 2016-12-02 · 3 obs

● 2016-12-02 05:18:10
○ 2017-01-22 22:36:12
○ 2026-03-24 17:32:34

○A103.215.185.192018-06-12 → 2018-06-12 · 4 obs

○ 2017-01-22 22:36:12
● 2018-06-12 16:01:04
○ 2026-03-23 07:24:32
○ 2026-03-24 17:32:34

●A154.12.19.512026-03-23 → 2026-03-24 · 3 obs

○ 2018-06-12 16:01:04
● 2026-03-23 07:24:32
● 2026-03-24 17:32:34

○A23.27.192.1182016-12-02 → 2016-12-02 · 3 obs

● 2016-12-02 05:18:10
○ 2017-01-22 22:36:12
○ 2026-03-24 17:32:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...	-
bj-srd.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:47.97.51.45

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bj-srd.com (unsigned zone)

⏱️ Timing

Total: 804ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.12.19.51`
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

Hierarchy

bj-srd.com is the parent of mx.bj-srd.com.

IP Addresses

bj-srd.com points to a single IP number: 154.12.19.51.

other host names for instance smileelec.com, chbxdl.com, read.share.qiredou.com, 79yk.dgltk.cn and yoojoin.com share IP numbers with bj-srd.com.

Name Servers

bj-srd.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

bj-srd.com at least partially shares name servers with other domains, for instance cxqdclub.com, sensualadulttoys.com, zjmtxj.com, deligeer.com and hjajigio3.cn.