`4399bl.com`

DNSSEC	⚠️ Not signed
A	42.194.144.221^{🇨🇳 TENCENT-NET-AP42.194.128.0/18}
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=1685411821

`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

Same first word

4399bl.com

DNS History

11 records (5 active, 6 former)

○NSdns.4cun.com2015-05-14 → 2015-05-14 · 3 obs

● 2015-05-14 11:22:08
○ 2015-12-19 04:20:50
○ 2026-03-15 05:08:00

○NSns1.51dns.com2015-10-11 → 2016-08-08 · 5 obs

○ 2015-05-14 11:22:08
● 2015-10-11 22:53:06
● 2016-08-08 03:05:14
○ 2017-04-09 16:57:22
○ 2026-03-15 05:08:00

●NSns1.judns.com2026-03-14 → 2026-03-15 · 3 obs

○ 2017-04-09 16:57:22
● 2026-03-14 10:21:46
● 2026-03-15 05:08:00

●NSns1.julydns.com2026-03-14 → 2026-03-15 · 3 obs

○ 2017-04-09 16:57:22
● 2026-03-14 10:21:46
● 2026-03-15 05:08:00

○NSns1.uniregistrymarket.link2017-04-09 → 2017-04-09 · 4 obs

○ 2016-08-08 03:05:14
● 2017-04-09 16:57:22
○ 2026-03-14 10:21:46
○ 2026-03-15 05:08:00

○NSns2.51dns.com2015-10-11 → 2016-08-08 · 5 obs

○ 2015-05-14 11:22:08
● 2015-10-11 22:53:06
● 2016-08-08 03:05:14
○ 2017-04-09 16:57:22
○ 2026-03-15 05:08:00

●NSns2.judns.com2026-03-14 → 2026-03-15 · 3 obs

○ 2017-04-09 16:57:22
● 2026-03-14 10:21:46
● 2026-03-15 05:08:00

●NSns2.julydns.com2026-03-14 → 2026-03-15 · 3 obs

○ 2017-04-09 16:57:22
● 2026-03-14 10:21:46
● 2026-03-15 05:08:00

○NSns2.uniregistrymarket.link2017-04-09 → 2017-04-09 · 4 obs

○ 2016-08-08 03:05:14
● 2017-04-09 16:57:22
○ 2026-03-14 10:21:46
○ 2026-03-15 05:08:00

●A42.194.144.2212026-03-14 → 2026-03-15 · 3 obs

○ 2017-04-09 16:57:22
● 2026-03-14 10:21:46
● 2026-03-15 05:08:00

○A69.172.201.1532017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 16:57:22
○ 2026-03-14 10:21:46
○ 2026-03-15 05:08:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...	-
4399bl.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 4399bl.com (unsigned zone)

⏱️ Timing

Total: 831ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`42.194.144.221`
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

4399bl.com resolves to one IP number: 42.194.144.221.

Other host names such as s0s0.com and ixyqs.com share IP numbers with 4399bl.com.

Name Servers

4399bl.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

4399bl.com at least partially shares name servers with other domains, for instance gxcytzjt.com, rzebra.com, ihayou.com.cn, 604pk.com and dtaz.cn.