`400nb.com`

DNSSEC	⚠️ Not signed
A	199.241.3.197^{🇺🇸 ZENLAYER199.241.0.0/21 ZL-IDC-LAX-W50523}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
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}
			PTR	`ip-162-159-27-251.defastlink.net`
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}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1771059667

`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=1771291435

Similar names

nb040.com

bn040.com

DNS History

14 records (5 active, 9 former)

○NSf1g1ns1.dnspod.net2015-06-13 → 2017-02-15 · 6 obs

● 2015-06-13 06:10:54
● 2015-11-01 10:50:38
○ 2016-01-20 18:43:34
● 2016-07-03 02:06:22
● 2017-02-15 10:49:48
○ 2026-03-16 13:34:16

○NSf1g1ns2.dnspod.net2015-06-13 → 2017-02-15 · 6 obs

● 2015-06-13 06:10:54
● 2015-11-01 10:50:38
○ 2016-01-20 18:43:34
● 2016-07-03 02:06:22
● 2017-02-15 10:49:48
○ 2026-03-16 13:34:16

○NSns.cdnhost.cn2016-01-20 → 2016-01-20 · 4 obs

○ 2015-11-01 10:50:38
● 2016-01-20 18:43:34
○ 2016-07-03 02:06:22
○ 2026-03-16 13:34:16

○NSns.dnsfamily.com2016-01-20 → 2016-01-20 · 4 obs

○ 2015-11-01 10:50:38
● 2016-01-20 18:43:34
○ 2016-07-03 02:06:22
○ 2026-03-16 13:34:16

●NSns1.judns.com2026-03-16 → 2026-03-16 · 2 obs

○ 2017-02-15 10:49:48
● 2026-03-16 13:34:16

●NSns1.julydns.com2026-03-16 → 2026-03-16 · 2 obs

○ 2017-02-15 10:49:48
● 2026-03-16 13:34:16

●NSns2.judns.com2026-03-16 → 2026-03-16 · 2 obs

○ 2017-02-15 10:49:48
● 2026-03-16 13:34:16

●NSns2.julydns.com2026-03-16 → 2026-03-16 · 2 obs

○ 2017-02-15 10:49:48
● 2026-03-16 13:34:16

○A114.80.208.152015-06-13 → 2015-06-13 · 2 obs

● 2015-06-13 06:10:54
○ 2026-03-16 13:34:16

○A122.224.19.1072017-02-15 → 2017-02-15 · 3 obs

○ 2016-07-03 02:06:22
● 2017-02-15 10:49:48
○ 2026-03-16 13:34:16

○A122.224.8.1142016-07-03 → 2016-07-03 · 4 obs

○ 2016-01-20 18:43:34
● 2016-07-03 02:06:22
○ 2017-02-15 10:49:48
○ 2026-03-16 13:34:16

●A199.241.3.1972026-03-16 → 2026-03-16 · 2 obs

○ 2017-02-15 10:49:48
● 2026-03-16 13:34:16

○A205.164.14.912016-01-20 → 2016-01-20 · 4 obs

○ 2015-06-13 06:10:54
● 2016-01-20 18:43:34
○ 2016-07-03 02:06:22
○ 2026-03-16 13:34:16

○CNAME329295.ichengyun.net2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 06:10:54
○ 2015-11-01 10:50:38
○ 2026-03-16 13:34:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
400nb.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 400nb.com (unsigned zone)

⏱️ Timing

Total: 3210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.241.3.197`
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

400nb.com points to a single IP number: 199.241.3.197.

other host names for instance shklzc.com, 8h9h.com, yzdk.net, avq.asia and hnach.com share IP numbers with 400nb.com.

Name Servers

400nb.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

400nb.com at least partially shares name servers with other domains, for instance cdmjsy.com, zuanchuang1.com, zishiyinghua.com, ruibacom.com and wycmst.com.