`zz51.com`

DNSSEC	⚠️ Not signed
NS	`ns1.bddns.cn` ⚠️ Not in zone NS records
		A	2400:da00:5ff1:1000:180:76:198:250^{🇨🇳 Baidu2400:da00::/32 CT-JS-Customer}
		A	180.76.198.250^{🇨🇳 CHINATELECOM-SHANDONG-JINAN-IDC180.76.198.0/23 AS58540}
NS	`ns2.bddns.cn` ⚠️ Not in zone NS records
		A	2400:da00:5ff1:1000:180:76:198:250^{🇨🇳 Baidu2400:da00::/32 CT-JS-Customer}
		A	180.76.198.250^{🇨🇳 CHINATELECOM-SHANDONG-JINAN-IDC180.76.198.0/23 AS58540}
NS	`ns3.ezdnscenter.com` ⚠️ Not in zone NS records
		A	114.80.156.4^{🇨🇳 SHANGHAITELECOM114.80.152.0/21 SHIDC}
NS	`ns4.ezdnscenter.com` ⚠️ Not in zone NS records
		A	114.80.155.238^{🇨🇳 SHANGHAITELECOM114.80.152.0/21 SHIDC}
NS	`ns5.ezdnscenter.com` ⚠️ Not in zone NS records
		A	114.80.156.4^{🇨🇳 SHANGHAITELECOM114.80.152.0/21 SHIDC}
NS	`ns6.ezdnscenter.com` ⚠️ Not in zone NS records
		A	114.80.155.238^{🇨🇳 SHANGHAITELECOM114.80.152.0/21 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=1785765667

Same first word

zz51.net

zz51.com

Similar names

51zz.com.cn

51zz.cc

51zz.net

1z5z.com

15zz.com

DNS History

10 records (6 active, 4 former)

●NSns1.bddns.cn2015-06-21 → 2026-08-03 · 3 obs

○ 2007-12-18 03:27:58
● 2015-06-21 18:55:28
● 2026-08-03 14:04:20

○NSns1.dns-diy.com2007-12-18 → 2007-12-18 · 3 obs

● 2007-12-18 03:27:58
○ 2015-06-21 18:55:28
○ 2026-08-03 14:04:20

●NSns2.bddns.cn2015-06-21 → 2026-08-03 · 3 obs

○ 2007-12-18 03:27:58
● 2015-06-21 18:55:28
● 2026-08-03 14:04:20

○NSns2.dns-diy.com2007-12-18 → 2007-12-18 · 3 obs

● 2007-12-18 03:27:58
○ 2015-06-21 18:55:28
○ 2026-08-03 14:04:20

●NSns3.ezdnscenter.com2026-07-19 → 2026-08-03 · 3 obs

○ 2015-06-21 18:55:28
● 2026-07-19 14:40:58
● 2026-08-03 14:04:20

●NSns4.ezdnscenter.com2026-07-19 → 2026-08-03 · 3 obs

○ 2015-06-21 18:55:28
● 2026-07-19 14:40:58
● 2026-08-03 14:04:20

●NSns5.ezdnscenter.com2026-07-19 → 2026-08-03 · 3 obs

○ 2015-06-21 18:55:28
● 2026-07-19 14:40:58
● 2026-08-03 14:04:20

●NSns6.ezdnscenter.com2026-07-19 → 2026-08-03 · 3 obs

○ 2015-06-21 18:55:28
● 2026-07-19 14:40:58
● 2026-08-03 14:04:20

○MXmxbiz2.qq.com2015-06-21 → 2018-08-18 · 5 obs

○ 2007-12-18 03:27:58
● 2015-06-21 18:55:28
● 2018-08-18 09:59:42
○ 2026-07-19 14:40:58
○ 2026-08-03 14:04:20

○A218.5.76.482007-12-18 → 2007-12-18 · 3 obs

● 2007-12-18 03:27:58
○ 2015-06-21 18:55:28
○ 2026-08-03 14:04:20

🔍 DNS Trace

Analysis

Name Servers

DNS for zz51.com is handled by 6 name servers: ns1.bddns.cn, ns2.bddns.cn, ns3.ezdnscenter.com and 3 others.

zz51.com partially shares its NS delegation with several other domains, including jonser.com, hnalex.com, zqit.com and two others.

In DNS configurations, these name servers often share authority with ns6.ezdnscenter.com, ns4.ezdnscenter.com, ns5.ezdnscenter.com and 7 other name servers.

Host names with two IP numbers:

ns1.bddns.cn has two IP addresses: 180.76.198.250 and 2400:da00:5ff1:1000:180:76:198:250.

ns2.bddns.cn has two IP addresses: 180.76.198.250 and 2400:da00:5ff1:1000:180:76:198:250.

Host names pointing to a single IP address:

ns3.ezdnscenter.com directs to 114.80.156.4.

ns4.ezdnscenter.com directs to 114.80.155.238.

ns5.ezdnscenter.com directs to 114.80.156.4.

ns6.ezdnscenter.com directs to 114.80.155.238.

Host names pointing to 2400:da00:5ff1:1000:180:76:198:250 IP addresses: ns1.bddns.cn and ns2.bddns.cn.

Host names pointing to 180.76.198.250 IP addresses: ns1.bddns.cn and ns2.bddns.cn.

Host names pointing to 114.80.156.4 IP addresses: ns3.ezdnscenter.com and ns5.ezdnscenter.com.

Host names pointing to 114.80.155.238 IP addresses: ns4.ezdnscenter.com and ns6.ezdnscenter.com.