`51sos.com`

DNSSEC	⚠️ Not signed
A	47.238.107.166^{🇭🇰 Alibaba-Cloud47.238.0.0/16 Proxy-registered route object}
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=1769007699

`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

Subdomains

www.51sos.com

Same first word

51sos.com

Similar names

sos51.ru

51oss.com

DNS History

13 records (5 active, 8 former)

○NSns.xinnet.cn2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:55:52
○ 2015-07-22 19:12:56
○ 2026-03-23 08:07:26

○NSns.xinnetdns.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:55:52
○ 2015-07-22 19:12:56
○ 2026-03-23 08:07:26

●NSns1.judns.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-05-24 06:41:18
● 2026-02-15 21:10:54
● 2026-03-23 08:07:26

●NSns1.julydns.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-05-24 06:41:18
● 2026-02-15 21:10:54
● 2026-03-23 08:07:26

○NSns15.xincache.com2015-07-22 → 2016-09-22 · 5 obs

○ 2008-03-19 10:55:52
● 2015-07-22 19:12:56
● 2016-09-22 06:01:04
○ 2017-05-24 06:41:18
○ 2026-03-23 08:07:26

○NSns16.xincache.com2015-07-22 → 2016-09-22 · 5 obs

○ 2008-03-19 10:55:52
● 2015-07-22 19:12:56
● 2016-09-22 06:01:04
○ 2017-05-24 06:41:18
○ 2026-03-23 08:07:26

●NSns2.judns.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-05-24 06:41:18
● 2026-02-15 21:10:54
● 2026-03-23 08:07:26

●NSns2.julydns.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-05-24 06:41:18
● 2026-02-15 21:10:54
● 2026-03-23 08:07:26

○NSwww.51sos.com2017-05-24 → 2017-05-24 · 4 obs

○ 2016-09-22 06:01:04
● 2017-05-24 06:41:18
○ 2026-02-15 21:10:54
○ 2026-03-23 08:07:26

○A211.102.90.52015-07-22 → 2016-09-22 · 5 obs

○ 2008-03-19 10:55:52
● 2015-07-22 19:12:56
● 2016-09-22 06:01:04
○ 2017-05-24 06:41:18
○ 2026-03-23 08:07:26

○A218.16.124.1952008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:55:52
○ 2015-07-22 19:12:56
○ 2026-03-23 08:07:26

●A47.238.107.1662026-02-15 → 2026-03-23 · 3 obs

○ 2017-05-24 06:41:18
● 2026-02-15 21:10:54
● 2026-03-23 08:07:26

○CNAMEnum5.dcoin.co2017-05-24 → 2026-02-15 · 4 obs

● 2017-05-24 06:41:18
● 2026-02-15 21:10:54
○ 2026-03-23 08:07:24
○ 2026-03-23 08:07:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51sos.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 51sos.com (unsigned zone)

⏱️ Timing

Total: 3416ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.238.107.166`
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

51sos.com is parent of www.51sos.com.

IP Addresses

51sos.com points to a single IP: 47.238.107.166.

Other host names, for instance jlsdf.com, www.tek-foo.com, sh-talent.com, huaxingcasting.com and www.dhgbyy.com share IP numbers with 51sos.com.

Name Servers

51sos.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

51sos.com at least partially shares its name servers with other domains, for instance 08jy.com, zyyfjx.com, karakurtinsaat.com, huinanxianwei.cn and leyoga.cn.