`contbetter.com`

DNSSEC	⚠️ Not signed
NS	`ns3.4cun.com` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:d2b8^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
NS	`ns4.4cun.com` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:d2b8^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.78^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}

`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=1785281652

contbetter.com

5 records (2 active, 3 former)

○NSdns.4cun.com2016-12-17 → 2026-05-23 · 4 obs

● 2016-12-17 08:46:22
● 2026-05-23 08:10:58
○ 2026-06-12 02:40:34
○ 2026-07-28 23:47:40

●NSns3.4cun.com2026-05-23 → 2026-07-28 · 3 obs

○ 2016-12-17 08:46:22
● 2026-05-23 08:10:58
● 2026-07-28 23:47:40

●NSns4.4cun.com2026-05-23 → 2026-07-28 · 3 obs

○ 2016-12-17 08:46:22
● 2026-05-23 08:10:58
● 2026-07-28 23:47:40

○MXmx74.dns.com.cn2016-12-17 → 2026-05-23 · 4 obs

● 2016-12-17 08:46:22
● 2026-05-23 08:10:58
○ 2026-06-12 02:40:34
○ 2026-07-28 23:47:40

○A61.155.174.1642016-12-17 → 2026-05-23 · 4 obs

● 2016-12-17 08:46:22
● 2026-05-23 08:10:58
○ 2026-06-12 02:40:34
○ 2026-07-28 23:47:40

contbetter.com has two authoritative name servers — ns3.4cun.com and ns4.4cun.com.

contbetter.com shares its NS records with other domains, for example wecome.net, youjujs.com, akdsb.com and two others.

At least some of contbetter.com's name servers are shared with other domains, for example bmfcom.com, cnheaw.com, weavenexa.com and two more.

These name servers tend to be deployed in combination with the name servers dns.4cun.com and ns4.51dns.top.