`37ops.com`

DNSSEC	⚠️ Not signed
NS	`ns3.dnsv3.com` ⭐
		A	2402:4e00:1470:2::11^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.27^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.54^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-54.defastlink.net`
		A	43.130.172.55^{🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.140.78.54^{🇨🇳 TENCENT-NET-AP43.140.64.0/18 Tencent Cloud Computing (Beijing) Co., Ltd 309 West Zone, 3F. 49 Zhichun Road. Haidian District.}
		A	49.7.107.154^{🇨🇳 CHINA-149.7.64.0/18 China Telecom Beijing Co. Ltd.}
			PTR	`ip-49-7-107-154.defastlink.net`
		A	101.227.168.54^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	163.177.5.54^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
		A	220.196.136.54^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
NS	`ns4.dnsv3.com`
		A	2402:4e00:111:fff::e^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.28^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.54^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	43.134.249.55^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
			PTR	`ip-43-134-249-55.defastlink.net`
		A	111.13.203.54^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
			PTR	`ip-111-13-203-54.defastlink.net`
		A	117.135.128.154^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	124.64.205.154^{🇨🇳 CHINA169-BJ124.64.205.0/24}
			PTR	`ip-124-64-205-154.defastlink.net`
		A	125.94.59.154^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-154.defastlink.net`
SOA	`ns3.dnsv3.com`enterprise1dnsadmin@dnspod.com serial=1778659808

`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=1778716136

Subdomains

s3.37ops.com

Same first word

37ops.com

Similar names

73pos.com

DNS History

4 records (2 active, 2 former)

○NSf1g1ns1.dnspod.net2015-06-21 → 2016-01-25 · 4 obs

● 2015-06-21 12:27:46
● 2016-01-25 21:44:24
○ 2016-11-25 00:13:22
○ 2026-05-13 23:52:52

○NSf1g1ns2.dnspod.net2015-06-21 → 2016-01-25 · 4 obs

● 2015-06-21 12:27:46
● 2016-01-25 21:44:24
○ 2016-11-25 00:13:22
○ 2026-05-13 23:52:52

●NSns3.dnsv3.com2016-11-25 → 2026-05-13 · 3 obs

○ 2016-01-25 21:44:24
● 2016-11-25 00:13:22
● 2026-05-13 23:52:52

●NSns4.dnsv3.com2016-11-25 → 2026-05-13 · 3 obs

○ 2016-01-25 21:44:24
● 2016-11-25 00:13:22
● 2026-05-13 23:52:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net...	-
37ops.com	ns3.dnsv3.com, ns4.dnsv3.com	17 records

✅ Authoritative Response

Server:1.12.0.27

NS records: ns3.dnsv3.com, ns4.dnsv3.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 37ops.com (unsigned zone)

⏱️ Timing

Total: 886ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns4.dnsv3.com, ns3.dnsv3.com`
SOA	1	`ns3.dnsv3.com enterprise1dnsadmin.dnspod`

📌 Glue Records Collected

Total: 17

Out-of-bailiwick: 17 (ns3.dnsv3.com, ns3.dnsv3.com, ns3.dnsv3.com...)

Analysis

Hierarchy

37ops.com is the parent of s3.37ops.com.

Name Servers

37ops.com's delegation uses two name servers, ns3.dnsv3.com and ns4.dnsv3.com.

37ops.com shares the same name server setup as other domains, for example queyouquan.cn, aidigong.com, yingzhongtong.com, noxgroup.com and jintiane.cn.

37ops.com at least partially shares name servers with other domains, including kingnet.com, pqyb.cn, 838wap.net, yangfancn.com and dns88.cn.

These name servers are commonly used with f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

Nine IP numbers for a host:

ns3.dnsv3.com points to 2402:4e00:1470:2::11, 1.12.0.27, 36.155.149.54, 43.130.172.55, 43.140.78.54, 49.7.107.154, 101.227.168.54, 163.177.5.54 and 220.196.136.54.

Eight IP numbers for a host:

ns4.dnsv3.com points to 2402:4e00:111:fff::e, 1.12.0.28, 1.13.76.54, 43.134.249.55, 111.13.203.54, 117.135.128.154, 124.64.205.154 and 125.94.59.154.

37ops.com - robtex.com

37ops.com

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