sdlangjun.com - dns.ninja

`sdlangjun.com`

DNSSEC	⚠️ Not signed
NS	`ns3.cnolnic.com` ⭐ ⚠️ Not in parent delegation
		A	240c:4081:8000:1702::4^{🇨🇳 Baidu240c:4081::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	182.61.7.241^{🇨🇳 Baidu182.61.0.0/19}
NS	`ns1.cnolnic.com` ⚠️ Not in zone NS records
		A	240c:4081:8000:1702::4^{🇨🇳 Baidu240c:4081::/32}
		A	106.12.41.178^{🇨🇳 Baidu106.12.32.0/19}
		A	180.76.132.118^{🇨🇳 Baidu180.76.128.0/19}
NS	`ns2.cnolnic.com` ⚠️ Not in zone NS records
		A	240c:4082:0:5d80::3^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	182.61.7.241^{🇨🇳 Baidu182.61.0.0/19}
NS	`ns4.cnolnic.com` ⚠️ Not in parent delegation
		A	240c:4082:0:5d80::3^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.41.178^{🇨🇳 Baidu106.12.32.0/19}
		A	180.76.132.118^{🇨🇳 Baidu180.76.128.0/19}
MX	`mxa7.chinaemail.cn` ⭐
		A	43.128.31.66^{🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.129.30.92^{🇭🇰 TENCENT-NET-AP-CN43.129.24.0/21}
		A	43.135.96.239^{🇭🇰 TENCENT-NET-AP-CN43.135.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	159.138.140.216^{🇭🇰 HWCSNET159.138.128.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
MX	`mx7.chinaemail.cn`⁽¹⁰⁾
TXT	`v=spf1 include:spf.chinaemail.cn -all`
SOA	`ns3.cnolnic.com`root@cnolnic.com 2006-11-24 #1

`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=1782744871

Same first word

sdlangjun.com

DNS History

6 records (6 active, 0 former)

●NSns1.cnolnic.com2026-04-09 → 2026-06-29 · 3 obs

○ 2018-05-17 22:29:36
● 2026-04-09 04:07:14
● 2026-06-29 14:58:36

●NSns2.cnolnic.com2026-04-09 → 2026-06-29 · 3 obs

○ 2018-05-17 22:29:36
● 2026-04-09 04:07:14
● 2026-06-29 14:58:36

●NSns3.cnolnic.com2018-05-17 → 2026-06-29 · 2 obs

● 2018-05-17 22:29:36
● 2026-06-29 14:58:36

●NSns4.cnolnic.com2018-05-17 → 2026-06-29 · 2 obs

● 2018-05-17 22:29:36
● 2026-06-29 14:58:36

●MXmx7.chinaemail.cn2018-05-17 → 2026-06-29 · 2 obs

● 2018-05-17 22:29:36
● 2026-06-29 14:58:36

●MXmxa7.chinaemail.cn2018-05-17 → 2026-06-29 · 2 obs

● 2018-05-17 22:29:36
● 2026-06-29 14:58:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...	-
sdlangjun.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server:106.12.41.178

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdlangjun.com (unsigned zone)

⏱️ Timing

Total: 3551ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns3.cnolnic.com, ns4.cnolnic.com`
MX	2	`mx7.chinaemail.cn (pri: 10), mxa7.chinaemail.cn (pri: 5)`
TXT	1	`v=spf1 include:spf.chinaemail.cn -all`
SOA	1	`ns3.cnolnic.com root.cnolnic.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cnolnic.com, ns1.cnolnic.com, ns1.cnolnic.com...)

Analysis

Name Servers

sdlangjun.com has four authoritative name servers: ns1.cnolnic.com, ns2.cnolnic.com, ns3.cnolnic.com and ns4.cnolnic.com.

There is at least partial name server overlap between sdlangjun.com and other domains — xn--w9s701g0mn.com, miaomu.com, lcgyly.com and two more among them.

ns1.cnolnic.com, ns2.cnolnic.com, ns3.cnolnic.com and ns4.cnolnic.com each resolve to three IP addresses: ns1.cnolnic.com resolves to 106.12.41.178, 180.76.132.118 and 240c:4081:8000:1702::4; ns2.cnolnic.com resolves to 106.12.205.190, 182.61.7.241 and 240c:4082:0:5d80::3; ns3.cnolnic.com resolves to 106.12.205.190, 182.61.7.241 and 240c:4081:8000:1702::4; ns4.cnolnic.com resolves to 106.12.41.178, 180.76.132.118 and 240c:4082:0:5d80::3.

Host names pointing to 240c:4081:8000:1702::4 IP addresses: ns1.cnolnic.com and ns3.cnolnic.com.

Host names pointing to 106.12.41.178 IP addresses: ns1.cnolnic.com and ns4.cnolnic.com.

Host names pointing to 180.76.132.118 IP addresses: ns1.cnolnic.com and ns4.cnolnic.com.

Host names pointing to 240c:4082:0:5d80::3 IP addresses: ns2.cnolnic.com and ns4.cnolnic.com.

Host names pointing to 106.12.205.190 IP addresses: ns2.cnolnic.com and ns3.cnolnic.com.

Host names pointing to 182.61.7.241 IP addresses: ns2.cnolnic.com and ns3.cnolnic.com.

Mail Servers

sdlangjun.com has two mail servers: mx7.chinaemail.cn and mxa7.chinaemail.cn.

sdlangjun.com shares the same mail server setup as other domains, including smt-aoi.com, sitochem.com, sjzwdx.com and two others.

sdlangjun.com shares mail servers — at least in part — with other domains, including cnsne.com, jtkm.com, dhchain.cn and two others.

Host names resolving to four IP addresses:

mxa7.chinaemail.cn resolves to four IP addresses — 43.128.31.66, 43.129.30.92, 43.135.96.239 and 159.138.140.216.