`rtknife.com`

DNSSEC	⚠️ Not signed
A	123.58.218.63^{🇭🇰 UCLOUD-1123.58.218.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns15.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns16.xincache.com`
		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	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxc.global-mail.cn` ⭐
		A	101.36.121.182^{🇭🇰 UCLOUD-1101.36.121.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxu.global-mail.cn`⁽⁵⁰⁾
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
TXT	`v=spf1 include:spfv.global-mail.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772301352

`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=1778551891

Subdomains

mailfilter.rtknife.com

Same first word

rtknife.com

Similar names

frenkit.es

kernfit.com

finkter.com

frinket.be

fintekr.com

DNS History

11 records (6 active, 5 former)

●NSns11.xincache.com2015-06-11 → 2026-05-12 · 5 obs

● 2015-06-11 03:23:10
○ 2015-10-26 01:15:06
○ 2018-10-10 14:23:42
● 2026-05-11 14:29:12
● 2026-05-12 02:36:12

○NSns12.xincache.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 03:23:10
○ 2015-10-26 01:15:06
○ 2026-05-12 02:36:12

●NSns15.xincache.com2015-10-26 → 2026-05-12 · 3 obs

○ 2015-06-11 03:23:10
● 2015-10-26 01:15:06
● 2026-05-12 02:36:12

●NSns16.xincache.com2015-10-26 → 2026-05-12 · 3 obs

○ 2015-06-11 03:23:10
● 2015-10-26 01:15:06
● 2026-05-12 02:36:12

○MXmailfilter.rtknife.com2015-06-11 → 2018-10-10 · 4 obs

● 2015-06-11 03:23:10
● 2018-10-10 14:23:42
○ 2026-05-11 14:29:12
○ 2026-05-12 02:36:12

●MXmxc.global-mail.cn2026-05-11 → 2026-05-12 · 3 obs

○ 2018-10-10 14:23:42
● 2026-05-11 14:29:12
● 2026-05-12 02:36:12

●MXmxu.global-mail.cn2026-05-11 → 2026-05-12 · 3 obs

○ 2018-10-10 14:23:42
● 2026-05-11 14:29:12
● 2026-05-12 02:36:12

○A119.10.36.2062016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 11:51:48
○ 2016-09-22 11:20:22
○ 2026-05-12 02:36:12

○A119.10.37.1082016-09-22 → 2016-09-22 · 4 obs

○ 2016-04-12 11:51:48
● 2016-09-22 11:20:22
○ 2018-10-10 14:23:42
○ 2026-05-12 02:36:12

○A120.133.3.2352018-10-10 → 2018-10-10 · 4 obs

○ 2016-09-22 11:20:22
● 2018-10-10 14:23:42
○ 2026-05-11 14:29:12
○ 2026-05-12 02:36:12

●A123.58.218.632026-05-11 → 2026-05-12 · 3 obs

○ 2018-10-10 14:23:42
● 2026-05-11 14:29:12
● 2026-05-12 02:36:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rtknife.com	ns15.xincache.com, ns16.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns15.xincache.com, ns16.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtknife.com (unsigned zone)

⏱️ Timing

Total: 1607ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.58.218.63`
NS	2	`ns16.xincache.com, ns15.xincache.com`
MX	2	`mxc.global-mail.cn (pri: 5), mxu.global-mail.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.global-mail.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns15.xincache.com, ns15.xincache.com, ns15.xincache.com...)

Analysis

Hierarchy

rtknife.com is a parent of mailfilter.rtknife.com.

IP Addresses

rtknife.com points to a single IP number: 123.58.218.63.

Name Servers

The delegation for rtknife.com is handled by three name servers: ns11.xincache.com, ns15.xincache.com and ns16.xincache.com.

rtknife.com at least partially shares name servers with other domains, for instance huasilk.com, runxinpharma.com, zetuobio.com, yqsh.com and lm8953.com.

These name servers are commonly used together with the name servers ns12.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, ns19.xincache.com, ns20.xincache.com, ns17.xincache.com, ns18.xincache.com and f1g1ns1.dnspod.net.

Eight IP numbers:

ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

ns15.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Seven IP numbers:

ns16.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Hosts pointing to 2402:4e00:1470:2::e: ns11.xincache.com and ns15.xincache.com.

Hosts pointing to 2402:4e00:1730::e: ns11.xincache.com and ns15.xincache.com.

Hosts pointing to 1.12.0.4: ns11.xincache.com and ns15.xincache.com.

Hosts pointing to 36.155.149.180: ns11.xincache.com and ns15.xincache.com.

Hosts pointing to 112.80.181.45: ns11.xincache.com and ns15.xincache.com.

Hosts pointing to 117.89.178.173: ns11.xincache.com and ns15.xincache.com.

Hosts pointing to 125.94.59.210: ns11.xincache.com and ns15.xincache.com.

Hosts pointing to 129.211.176.209: ns11.xincache.com and ns15.xincache.com.

Mail Servers

rtknife.com is handled by two mail servers: mxc.global-mail.cn and mxu.global-mail.cn.

rtknife.com uses the same mail server configuration as other domains, such as lohogroup.com, bjtaisu.com, vtstex.com, sunisky.com and dzdholding.com.

rtknife.com shares mail servers with other domains at least in part, for instance auroracustomlighting.com, oqs-ap.com, jkhhealth.com, iu-net.com and hb-optical.com.

These mail servers are often used together with the mail servers mx-n.global-mail.cn.

Host names with one IP number: mxc.global-mail.cn points to 101.36.121.182; mxu.global-mail.cn points to 117.50.223.79.

rtknife.com - robtex.com

rtknife.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`rtknife.com`

`com`