`coding-newsletter.com`

DNSSEC	⚠️ Not signed
A	0.0.0.1
NS	`ns-tel1.qq.com` ⭐
		A	240e:e1:aa00:2002::3^{🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC}
		A	14.116.238.220^{🇨🇳 CHINANET-BACKBONE14.112.0.0/12 China Telecom Network}
		A	49.7.250.139^{🇨🇳 CHINA-149.7.192.0/18 China Telecom Beijing Co. Ltd.}
		A	101.227.161.254^{🇨🇳 SHANGHAITELECOM101.227.161.0/24 SHIDC}
NS	`ns-open1.qq.com` ⚠️ Not in zone NS records
		A	2402:4e00:111:ffe::3^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	43.129.131.155^{🇸🇬 TENCENT-NET-AP-CN43.129.128.0/20}
		A	43.134.249.20^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.134.249.21^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.161.3.23^{🇮🇳 TENCENT-NET-AP-CN43.161.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.161.3.24^{🇮🇳 TENCENT-NET-AP-CN43.161.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	117.135.174.196^{🇨🇳 CHINAMOBILE-CN117.135.172.0/22 CMI (Customer Route)}
			PTR	`(root)`
		A	183.60.116.3^{🇨🇳 CHINANET-BACKBONE183.0.0.0/10 Mega-II IDC}
NS	`ns-open2.qq.com` ⚠️ Not in zone NS records
		A	240e:e1:aa00:2001::3^{🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC}
		A	42.187.235.3^{🇨🇳 TENCENT-NET-AP42.187.192.0/18 chinanet/CN2 TianJin province network}
		A	43.130.172.21^{🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.8^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.130^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.131^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	61.241.27.10^{🇨🇳 UNICOM-ShenZhen-IDC61.241.27.0/24}
NS	`ns-open3.qq.com` ⚠️ Not in zone NS records
MX	`mx.sendcloud.org` ⭐
		A	106.75.34.64^{🇨🇳 CHINA169-BJ106.75.32.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`8myfhq.cn`
			PTR	`mail.lianjiecaijing.com`
			PTR	`mail.mifanwangluo.com`
			PTR	`mail.modefense.com`
		A	106.75.109.68^{🇨🇳 CHINA169-BJ106.75.96.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`mx.sendcloud.org`
TXT	`v=spf1 include:spf.sendcloud.org ~all`
SOA	`ns-tel1.qq.com`webmaster@qq.com serial=1773369837

`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=1777443746

Same first word

coding-newsletter.com

DNS History

13 records (6 active, 7 former)

○NSf1g1ns1.dnspod.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:53:24
○ 2017-12-28 22:05:22
○ 2026-04-29 06:27:54

○NSf1g1ns2.dnspod.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:53:24
○ 2017-12-28 22:05:22
○ 2026-04-29 06:27:54

○NSlv3ns1.ffdns.net2017-12-28 → 2017-12-28 · 4 obs

○ 2016-12-17 12:53:24
● 2017-12-28 22:05:22
○ 2026-03-27 17:29:54
○ 2026-04-29 06:27:54

○NSlv3ns2.ffdns.net2017-12-28 → 2017-12-28 · 4 obs

○ 2016-12-17 12:53:24
● 2017-12-28 22:05:22
○ 2026-03-27 17:29:54
○ 2026-04-29 06:27:54

○NSlv3ns3.ffdns.net2017-12-28 → 2017-12-28 · 4 obs

○ 2016-12-17 12:53:24
● 2017-12-28 22:05:22
○ 2026-03-27 17:29:54
○ 2026-04-29 06:27:54

○NSlv3ns4.ffdns.net2017-12-28 → 2017-12-28 · 4 obs

○ 2016-12-17 12:53:24
● 2017-12-28 22:05:22
○ 2026-03-27 17:29:54
○ 2026-04-29 06:27:54

●NSns-open1.qq.com2026-03-27 → 2026-04-29 · 3 obs

○ 2017-12-28 22:05:22
● 2026-03-27 17:29:54
● 2026-04-29 06:27:54

●NSns-open2.qq.com2026-03-27 → 2026-04-29 · 3 obs

○ 2017-12-28 22:05:22
● 2026-03-27 17:29:54
● 2026-04-29 06:27:54

●NSns-open3.qq.com2026-03-27 → 2026-04-29 · 3 obs

○ 2017-12-28 22:05:22
● 2026-03-27 17:29:54
● 2026-04-29 06:27:54

●NSns-tel1.qq.com2026-03-27 → 2026-04-29 · 3 obs

○ 2017-12-28 22:05:22
● 2026-03-27 17:29:54
● 2026-04-29 06:27:54

●MXmx.sendcloud.org2016-12-17 → 2026-04-29 · 2 obs

● 2016-12-17 12:53:24
● 2026-04-29 06:27:54

●A0.0.0.12026-03-27 → 2026-04-29 · 3 obs

○ 2017-12-28 22:05:22
● 2026-03-27 17:29:54
● 2026-04-29 06:27:54

○A119.9.72.1072016-12-17 → 2017-12-28 · 4 obs

● 2016-12-17 12:53:24
● 2017-12-28 22:05:22
○ 2026-03-27 17:29:54
○ 2026-04-29 06:27:54

🔍 DNS Trace

Analysis

IP Addresses

coding-newsletter.com points to a single IP number: 0.0.0.1.

other host names for instance ue.weisurvey.com, in-addr-82-168-72.fixed.kpn.net, www.news.qq.com, goodssp2.cn and fg.html5.qq.com share IP numbers with coding-newsletter.com.

Name Servers

coding-newsletter.com is delegated to four name servers: ns-open1.qq.com, ns-open2.qq.com, ns-open3.qq.com and ns-tel1.qq.com.

coding-newsletter.com at least partially shares name servers with other domains, for instance kxmz.org.cn, 0.29.7.103.in-addr.arpa, kdb.qq.com, docs.gtimg.com and nu-t.qq.com.

These name servers are commonly used alongside the name servers ns-cmn1.qq.com, ns-cnc1.qq.com, ns-os1.qq.com, ns-open3.qq.com.;ns-open2.qq.com.;ns-open1.qq.com and ns-open1.qq.com.;ns-open2.qq.com.;ns-open3.qq.com.

Eight IP numbers: ns-open1.qq.com points to 2402:4e00:111:ffe::3, 43.129.131.155, 43.134.249.20, 43.134.249.21, 43.161.3.23, 43.161.3.24, 117.135.174.196 and 183.60.116.3.

Seven IP numbers: ns-open2.qq.com points to 240e:e1:aa00:2001::3, 42.187.235.3, 43.130.172.21, 43.159.167.8, 43.159.167.130, 43.159.167.131 and 61.241.27.10.

Four IP numbers: ns-tel1.qq.com points to 240e:e1:aa00:2002::3, 14.116.238.220, 49.7.250.139 and 101.227.161.254.

Mail Servers

coding-newsletter.com is handled by a single mail server, mx.sendcloud.org.

coding-newsletter.com shares the same mail server setup as other domains, for instance mail.eei168.com, mail.bigertech.com, chineseteacher.org.cn, 59zhusu.com and dslight.com.cn.

coding-newsletter.com shares mail servers with other domains at least partially, including aiease.ai, kucoin.cc, infinox.cn, bangbang93.com and aetled.com.

these mail servers are often used with qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

Host mx.sendcloud.org resolves to two IPs: 106.75.34.64 and 106.75.109.68.

coding-newsletter.com - robtex.com