`51-pass.com`

DNSSEC	⚠️ Not signed
A	172.105.209.30^{🇯🇵 AKAMAI-LINODE-AP172.105.192.0/19 Akamai Technologies}
		PTR	`li1863-30.members.linode.com`
NS	`dns.4cun.com` ⭐
NS	`ns1.4cun.com` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.78^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
NS	`ns2.51dns.top` ⚠️ Not in zone NS records
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns.4cun.com`admin@51-pass.com serial=1772527872

`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=1774620597

WOT: UNKNOWN (61/100)

Same first word

51-pass.com

Similar names

15-pass.com

DNS History

10 records (6 active, 4 former)

●NSdns.4cun.com2015-07-11 → 2026-03-27 · 2 obs

● 2015-07-11 10:38:12
● 2026-03-27 14:28:02

●NSns1.4cun.com2026-02-22 → 2026-03-27 · 3 obs

○ 2015-07-11 10:38:12
● 2026-02-22 01:15:28
● 2026-03-27 14:28:02

●NSns2.51dns.top2026-02-22 → 2026-03-27 · 3 obs

○ 2015-07-11 10:38:12
● 2026-02-22 01:15:28
● 2026-03-27 14:28:02

○MX713840882.pamx1.hotmail.com2015-07-11 → 2016-09-23 · 5 obs

○ 2008-03-20 03:24:04
● 2015-07-11 10:38:12
● 2016-09-23 16:44:40
○ 2017-05-19 09:58:44
○ 2026-03-27 14:28:02

●MXmxbiz1.qq.com2017-05-19 → 2026-03-27 · 3 obs

○ 2016-09-23 16:44:40
● 2017-05-19 09:58:44
● 2026-03-27 14:28:02

●MXmxbiz2.qq.com2017-05-19 → 2026-03-27 · 3 obs

○ 2016-09-23 16:44:40
● 2017-05-19 09:58:44
● 2026-03-27 14:28:02

○A110.45.203.1692015-07-11 → 2016-04-07 · 5 obs

○ 2008-03-20 03:24:04
● 2015-07-11 10:38:12
● 2016-04-07 21:05:12
○ 2016-09-23 16:44:40
○ 2026-03-27 14:28:02

○A115.23.223.522016-09-23 → 2016-09-23 · 4 obs

○ 2016-04-07 21:05:12
● 2016-09-23 16:44:40
○ 2026-02-22 01:15:28
○ 2026-03-27 14:28:02

○A139.162.76.2062017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-23 16:44:40
● 2017-05-19 09:58:44
○ 2026-02-22 01:15:28
○ 2026-03-27 14:28:02

●A172.105.209.302026-02-22 → 2026-03-27 · 3 obs

○ 2017-05-19 09:58:44
● 2026-02-22 01:15:28
● 2026-03-27 14:28:02

🔍 DNS Trace

Analysis

IP Addresses

51-pass.com points to a single IP: 172.105.209.30.

Other host names such as li1863-30.members.linode.com, killtest.net, www.killtest.net and testpassport.net share IP numbers with 51-pass.com.

Name Servers

51-pass.com is delegated to three name servers: dns.4cun.com, ns1.4cun.com and ns2.51dns.top.

51-pass.com at least partially shares its name servers with other domains, for instance gyydhg.com, kfpyy.com, shidianw.com, cd-hmjt.com and driver-bit.com.

These name servers are commonly used with ns2.4cun.com, dns3.4cun.com, dns4.51dns.top, dns7.4cun.com, dns1.4cun.com, dns2.51dns.top, dns5.4cun.com, dns8.51dns.top, ns3.4cun.com and ns4.4cun.com.

Host names with two IPs:

ns1.4cun.com points to: 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.78.

Host names with one IP:

ns2.51dns.top points to: 219.138.102.210.

Mail Servers

Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle 51-pass.com.

51-pass.com uses the same mail server setup as other domains such as infinitysia.com, seumchina.com, jinjifu.com, atpt.com.cn and jswxt.com.

51-pass.com shares some mail servers with other domains, including mx-ledgrowlight.com, coowor.com, brbob.com, softmail.cn and yu-an.com.cn.

51-pass.com - robtex.com

51-pass.com

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