`dlrb.cn`

	CNAME	`agent31.juming.com`
	DNSSEC	⚠️ Not signed
	A	47.77.197.181^{🇺🇸 Alibaba-Cloud47.77.192.0/18 Proxy-registered route object}

`cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ 🔒
	NS	`b.dns.cn`
	NS	`c.dns.cn` 🔒
	NS	`d.dns.cn` 🔒
	NS	`e.dns.cn` 🔒
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034456417

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DNS History

8 records (3 active, 5 former)

●NSag1.juming.com2026-02-26 → 2026-02-26 · 2 obs

○ 2017-02-07 19:31:38
● 2026-02-26 16:16:44

●NSag2.juming.com2026-02-26 → 2026-02-26 · 2 obs

○ 2017-02-07 19:31:38
● 2026-02-26 16:16:44

○NSns1.22.cn2017-02-07 → 2017-02-07 · 2 obs

● 2017-02-07 19:31:38
○ 2026-02-26 16:16:44

○A42.200.34.2492016-04-30 → 2016-04-30 · 4 obs

○ 2016-01-26 18:35:50
● 2016-04-30 12:09:26
○ 2017-02-07 19:31:38
○ 2026-02-26 16:16:44

○A42.200.35.1392016-04-30 → 2016-04-30 · 4 obs

○ 2016-01-26 18:35:50
● 2016-04-30 12:09:26
○ 2017-02-07 19:31:38
○ 2026-02-26 16:16:44

○A45.78.12.2362017-02-07 → 2017-02-07 · 3 obs

○ 2016-04-30 12:09:26
● 2017-02-07 19:31:38
○ 2026-02-26 16:16:44

○A64.62.224.2532015-07-04 → 2016-01-26 · 4 obs

● 2015-07-04 12:10:28
● 2016-01-26 18:35:50
○ 2016-04-30 12:09:26
○ 2026-02-26 16:16:44

●CNAMEagent31.juming.com2026-02-26 → 2026-02-26 · 1 obs

● 2026-02-26 16:16:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	11 records
dlrb.cn	ag1.juming.com, ag2.juming.com	-

✅ Authoritative Response

Server: 47.77.197.181

NS records: ag1.juming.com, ag2.juming.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dlrb.cn (unsigned zone)

⏱️ Timing

Total: 3409ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ag1.juming.com, ag2.juming.com`
CNAME	1	`agent31.juming.com`

📌 Glue Records Collected

Total: 11

In-bailiwick: 10 (a.dns.cn, a.dns.cn, b.dns.cn...)

Out-of-bailiwick: 1 (ns.cernet.net)

AI analysis

dlrb.cn points to a single IP: 47.77.197.181.

Other host names, for instance ag2.juming.com, ag1.juming.com and agent31.juming.com share IP numbers with dlrb.cn.

dlrb.cn - robtex.com

dlrb.cn

cn