51ping.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`51ping.com`

DNSSEC	⚠️ Not signed
NS	`edns1.sankuai.com` ⭐ ⚠️ Not in zone NS records
		A	103.37.136.254^{🇨🇳 CHINA169-BJ103.37.136.0/21 China Telecom Beijing Co. Ltd.}
NS	`edns2.sankuai.com` ⚠️ Not in zone NS records
		A	103.202.144.22^{🇨🇳 CNCGROUP-SH103.202.144.0/22 SHIDC}
NS	`f1g1ns1.dnspod.net`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.235^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
NS	`f1g1ns2.dnspod.net`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	106.39.207.235^{🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
MX	`mx01.51ping.com` ⭐
MX	`mx02.51ping.com`⁽²⁰⁾
TXT	`v=spf1 ip4:180.153.132.0 ip4:180.166.104.0 -all`
TXT	`_globalsign-domain-verification=1NbZ15zhTUJeFSlE3G4yKBSCGVN_RBTCufIFqzuJAa`
SOA	`edns1.sankuai.com`edp@networkrd.meituan.com serial=1

`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=1786916739

Subdomains

ns1.51ping.com

ns2.51ping.com

mx02.51ping.com

mx01.51ping.com

catfront.51ping.com

Same first word

51ping.com

Similar names

ping51.com

15ping.com

DNS History

8 records (6 active, 2 former)

●NSedns1.sankuai.com2021-02-28 → 2026-08-16 · 3 obs

○ 2015-08-20 17:18:24
● 2021-02-28 06:02:24
● 2026-08-16 21:55:34

●NSedns2.sankuai.com2021-02-28 → 2026-08-16 · 3 obs

○ 2015-08-20 17:18:24
● 2021-02-28 06:02:24
● 2026-08-16 21:55:34

●NSf1g1ns1.dnspod.net2015-08-20 → 2026-08-16 · 3 obs

○ 2008-03-17 08:47:14
● 2015-08-20 17:18:24
● 2026-08-16 21:55:34

●NSf1g1ns2.dnspod.net2015-08-20 → 2026-08-16 · 3 obs

○ 2008-03-17 08:47:14
● 2015-08-20 17:18:24
● 2026-08-16 21:55:34

●MXmx01.51ping.com2015-08-20 → 2026-08-16 · 6 obs

○ 2008-03-17 08:47:14
● 2015-08-20 17:18:24
● 2021-02-28 06:02:24
○ 2026-08-01 09:53:50
● 2026-08-05 20:22:00
● 2026-08-16 21:55:34

●MXmx02.51ping.com2015-08-20 → 2026-08-16 · 6 obs

○ 2008-03-17 08:47:14
● 2015-08-20 17:18:24
● 2021-02-28 06:02:24
○ 2026-08-01 09:53:50
● 2026-08-05 20:22:00
● 2026-08-16 21:55:34

○A140.207.217.82015-08-20 → 2017-08-31 · 5 obs

○ 2008-03-17 08:47:14
● 2015-08-20 17:18:24
● 2017-08-31 20:12:36
○ 2021-02-28 06:02:24
○ 2026-08-16 21:55:34

○A3.3.3.32015-08-20 → 2017-08-31 · 5 obs

○ 2008-03-17 08:47:14
● 2015-08-20 17:18:24
● 2017-08-31 20:12:36
○ 2021-02-28 06:02:24
○ 2026-08-16 21:55:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51ping.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net, edns1.sankuai.com, edns2.sankuai.com	2 records

✅ Authoritative Response

Server:103.37.136.254

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net, edns1.sankuai.com, edns2.sankuai.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51ping.com (unsigned zone)

⏱️ Timing

Total: 3702ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`f1g1ns2.dnspod.net, f1g1ns1.dnspod.net...`
MX	2	`mx01.51ping.com (pri: 10), mx02.51ping.com (pri: 20)`
TXT	2	`_globalsign-domain-verification=1NbZ15zh, v=spf1 ip4:180.153.132.0 ip4:180.166.104`
SOA	1	`edns1.sankuai.com edp.networkrd.meituan.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (edns1.sankuai.com, edns2.sankuai.com)

Analysis

Hierarchy

51ping.com has five child domains: ns1.51ping.com, ns2.51ping.com, mx02.51ping.com, mx01.51ping.com and catfront.51ping.com.

Name Servers

Four name servers handle the delegation for 51ping.com: edns1.sankuai.com, edns2.sankuai.com, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

There is at least partial name server overlap between 51ping.com and other domains — heavydutywearparts.com, varjob.com, kaozhen.cc and two more among them.

These name servers regularly appear alongside about.dnspod.net, berg.dnspod.net, ns3.dnsv5.com and 7 other name servers in NS record sets.

Hosts with 8 IP addresses each:

f1g1ns2.dnspod.net resolves to 1.12.0.1, 1.13.76.35 and 36.155.149.35 among others, with 5 other IP addresses in total.

Hosts with 7 IP addresses each:

f1g1ns1.dnspod.net resolves to 1.12.0.4, 1.14.119.35 and 111.13.13.35 among others, with 4 other IP addresses in total.

Host names resolving to a single IP address:

The hostname edns1.sankuai.com resolves to 103.37.136.254.

The hostname edns2.sankuai.com resolves to 103.202.144.22.

Mail Servers

51ping.com uses two mail servers, mx01.51ping.com and mx02.51ping.com.