`sydc-tech.com`

DNSSEC	⚠️ Not signed
NS	`ns1.4cun.com` ⚠️ Not in zone NS records
NS	`ns2.4cun.com` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:d2b8^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}

`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=1785817417

sydc-tech.com

9 records (2 active, 7 former)

○NSdns.4cun.com2015-06-26 → 2026-06-16 · 4 obs

● 2015-06-26 12:18:28
● 2026-06-16 09:32:10
○ 2026-07-05 01:44:44
○ 2026-08-04 04:45:48

●NSns1.4cun.com2026-02-19 → 2026-08-04 · 3 obs

○ 2015-06-26 12:18:28
● 2026-02-19 02:00:44
● 2026-08-04 04:45:48

●NSns2.4cun.com2026-02-19 → 2026-08-04 · 3 obs

○ 2015-06-26 12:18:28
● 2026-02-19 02:00:44
● 2026-08-04 04:45:48

○MXmxbiz1.qq.com2026-02-19 → 2026-06-16 · 5 obs

○ 2020-02-06 18:08:16
● 2026-02-19 02:00:44
● 2026-06-16 09:32:10
○ 2026-07-05 01:44:44
○ 2026-08-04 04:45:48

○MXmxbiz2.qq.com2026-02-19 → 2026-06-16 · 5 obs

○ 2020-02-06 18:08:16
● 2026-02-19 02:00:44
● 2026-06-16 09:32:10
○ 2026-07-05 01:44:44
○ 2026-08-04 04:45:48

○MXmxdomain.qq.com2020-02-06 → 2020-02-06 · 3 obs

● 2020-02-06 18:08:16
○ 2026-02-19 02:00:44
○ 2026-08-04 04:45:48

○A116.255.207.1712015-06-26 → 2016-04-29 · 4 obs

● 2015-06-26 12:18:28
● 2016-04-29 15:07:16
○ 2020-02-06 18:08:16
○ 2026-08-04 04:45:48

○A116.255.238.362020-02-06 → 2020-02-06 · 4 obs

○ 2016-04-29 15:07:16
● 2020-02-06 18:08:16
○ 2026-02-19 02:00:44
○ 2026-08-04 04:45:48

○A116.255.238.492026-02-19 → 2026-06-16 · 5 obs

○ 2020-02-06 18:08:16
● 2026-02-19 02:00:44
● 2026-06-16 09:32:10
○ 2026-07-05 01:44:44
○ 2026-08-04 04:45:48

Two name servers handle the delegation for sydc-tech.com: ns1.4cun.com and ns2.4cun.com.

sydc-tech.com uses the same name servers as several other domains — among them sjzjyksxx.cn, deree17.com, epin.tv and two more.

sydc-tech.com has at least partial name server overlap with other domains, such as czwyglw.com, ek198.com, haiyingli.com and two others.

It is common to see these name servers used together with name servers dns.4cun.com and ns2.51dns.top.

Hostnames that resolve to two IP addresses: