`rtr-engineering.net`

DNSSEC	⚠️ Not signed
A	49.51.180.188^{🇺🇸 TENCENT-NET-AP-CN49.51.180.0/22 Proxy-registered route object}
NS	`ns1.ename.net` ⭐
		A	2001:df2:f080:1::8^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	61.158.128.31^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`31.128.158.61.ha.cnc`
		A	218.98.111.173^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
			PTR	`ip-218-98-111-173.defastlink.net`
NS	`ns2.ename.net`
		A	240e:97d:10:1402:0:1:0:1005^{🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network}
		A	1.193.216.198^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
			PTR	`ip-1-193-216-198.defastlink.net`
		A	183.253.57.199^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
			PTR	`ip-183-253-57-199.defastlink.net`
		A	211.99.99.52^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
			PTR	`ip-211-99-99-52.defastlink.net`
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
MX	`us2.mx3.mailhostbox.com` ⭐
		A	162.215.3.25^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-25.unifiedlayer.com`
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`us2.mx1.mailhostbox.com`⁽¹⁰⁾
		A	162.215.3.26^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-26.unifiedlayer.com`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
MX	`us2.mx2.mailhostbox.com`⁽¹⁵⁾
		A	162.215.2.27^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-2-27.unifiedlayer.com`
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`ns1.ename.net`admin@ename.net serial=1760080285

`net`

	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=1771291465

Same first word

rtr-engineering.net

DNS History

15 records (9 active, 6 former)

○NSns.yovole.com2015-07-20 → 2016-08-08 · 4 obs

● 2015-07-20 22:28:12
● 2016-08-08 10:36:34
○ 2026-02-16 15:56:26
○ 2026-03-19 18:39:46

●NSns1.ename.net2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

○NSns1.yovole.com2015-07-20 → 2016-08-08 · 4 obs

● 2015-07-20 22:28:12
● 2016-08-08 10:36:34
○ 2026-02-16 15:56:26
○ 2026-03-19 18:39:46

●NSns2.ename.net2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

○MXmx.263.net2015-07-20 → 2016-08-08 · 4 obs

● 2015-07-20 22:28:12
● 2016-08-08 10:36:34
○ 2026-02-16 15:56:26
○ 2026-03-19 18:39:46

●MXmx1.qiye.aliyun.com2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

●MXmx2.qiye.aliyun.com2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

●MXmx3.qiye.aliyun.com2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

○MXmxw.263.net2015-07-20 → 2016-08-08 · 4 obs

● 2015-07-20 22:28:12
● 2016-08-08 10:36:34
○ 2026-02-16 15:56:26
○ 2026-03-19 18:39:46

●MXus2.mx1.mailhostbox.com2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

●MXus2.mx2.mailhostbox.com2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

●MXus2.mx3.mailhostbox.com2026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

○A142.54.187.1422015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 22:28:12
○ 2016-03-29 20:44:30
○ 2026-03-19 18:39:46

○A204.11.59.1732016-03-29 → 2016-08-08 · 5 obs

○ 2015-07-20 22:28:12
● 2016-03-29 20:44:30
● 2016-08-08 10:36:34
○ 2026-02-16 15:56:26
○ 2026-03-19 18:39:46

●A49.51.180.1882026-02-16 → 2026-03-19 · 3 obs

○ 2016-08-08 10:36:34
● 2026-02-16 15:56:26
● 2026-03-19 18:39:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rtr-engineering.net	ns1.ename.net, ns2.ename.net	7 records

✅ Authoritative Response

Server: 218.98.111.173

NS records: ns1.ename.net, ns2.ename.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtr-engineering.net (unsigned zone)

⏱️ Timing

Total: 1601ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.51.180.188`
NS	2	`ns1.ename.net, ns2.ename.net`
MX	6	`us2.mx1.mailhostbox.com (pri: 10), us2.mx3.mailhostbox.com (pri: 5)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`ns1.ename.net admin.ename.net`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (ns1.ename.net, ns1.ename.net, ns1.ename.net...)

Analysis

IP Addresses

rtr-engineering.net points to IP number: 49.51.180.188.

Other host names such as case-top.com, kynko.com.cn, dimetekus.com, vrvibratory.com and dvsvalve.com share IPs with rtr-engineering.net.

Name Servers

rtr-engineering.net is delegated to two name servers: ns1.ename.net and ns2.ename.net.

rtr-engineering.net shares the same name server setup as www-com.cn, cai18.com, dkkq.cn, polymerase.cn and shendou.com.

rtr-engineering.net shares name servers with other domains, at least partially, for example 0796.net, 9559.com and sumika.cn as well as dctf.cn.

These name servers are commonly used with ns3.dns.com and ns4.dns.com.

Host names with four IP numbers: ns2.ename.net points to 240e:97d:10:1402:0:1:0:1005, 1.193.216.198, 183.253.57.199 and 211.99.99.52. Host names with three IP numbers: ns1.ename.net points to 2001:df2:f080:1::8, 61.158.128.31 and 218.98.111.173.

Mail Servers

rtr-engineering.net is handled by six mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com, mx3.qiye.aliyun.com, us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com and us2.mx3.mailhostbox.com.

rtr-engineering.net shares at least partially some mail servers with other domains, including mbtubes.com, neotransfer.com, combest.com.cn, centex.cc and 51g3.com.