coupletech.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`coupletech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:d03^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9a04^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.3^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.4^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c066^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2066^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anna.ns.cloudflare.com`
		A	108.162.192.102^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	172.64.32.102^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	173.245.58.102^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
NS	`eric.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
MX	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`google-site-verification=5WDOsXi8WYJtwcTAYEnqsr_ziriz_2D9bq09uWeISxA`
TXT	`v=spf1 include:spf.163.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.3, 172.67.154.4
		IPv6 hints	2606:4700:3031::6815:d03, 2606:4700:3035::ac43:9a04
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=154, name=cloudflare-ech.com
SOA	`anna.ns.cloudflare.com`dns@cloudflare.com serial=2411045685

`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=1786921074

Subdomains

www.coupletech.com

Same first word

coupletech.com

Similar names

techcouple.net

coupleetch.xyz

etchcouple.xyz

DNS History

20 records (8 active, 12 former)

●NSanna.ns.cloudflare.com2026-03-22 → 2026-08-16 · 3 obs

○ 2017-03-31 19:08:10
● 2026-03-22 19:58:30
● 2026-08-16 23:22:30

●NSeric.ns.cloudflare.com2026-03-22 → 2026-08-16 · 3 obs

○ 2017-03-31 19:08:10
● 2026-03-22 19:58:30
● 2026-08-16 23:22:30

○NSns1.linktom.net2015-06-13 → 2017-03-31 · 4 obs

● 2015-06-13 19:07:52
● 2017-03-31 19:08:10
○ 2026-03-22 19:58:30
○ 2026-08-16 23:22:30

○NSns2.linktom.net2015-06-13 → 2017-03-31 · 4 obs

● 2015-06-13 19:07:52
● 2017-03-31 19:08:10
○ 2026-03-22 19:58:30
○ 2026-08-16 23:22:30

●MXhzmx01.mxmail.netease.com2026-03-22 → 2026-08-16 · 3 obs

○ 2017-03-31 19:08:10
● 2026-03-22 19:58:30
● 2026-08-16 23:22:30

●MXhzmx02.mxmail.netease.com2026-03-22 → 2026-08-16 · 3 obs

○ 2017-03-31 19:08:10
● 2026-03-22 19:58:30
● 2026-08-16 23:22:30

○MXmx.mail.ym.163.com2015-06-13 → 2017-03-31 · 4 obs

● 2015-06-13 19:07:52
● 2017-03-31 19:08:10
○ 2026-03-22 19:58:30
○ 2026-08-16 23:22:30

●A104.21.13.32026-03-22 → 2026-08-16 · 17 obs

○ 2017-03-31 19:08:10
● 2026-03-22 19:58:30
● 2026-04-04 18:53:24
○ 2026-04-16 20:14:54
● 2026-04-20 20:24:30
○ 2026-04-23 04:40:04
○ 2026-04-24 16:14:14
● 2026-05-09 16:33:40
○ 2026-05-16 08:42:32
○ 2026-05-25 02:12:02
● 2026-05-25 19:43:32
● 2026-05-31 15:29:46
○ 2026-06-04 19:33:26
● 2026-06-29 09:15:16
○ 2026-07-09 01:29:44
● 2026-08-16 23:22:26
● 2026-08-16 23:22:30

●A172.67.154.42026-03-22 → 2026-08-16 · 17 obs

○A188.114.96.02026-04-16 → 2026-07-09 · 15 obs

○ 2026-04-04 18:53:24
● 2026-04-16 20:14:54
○ 2026-04-20 20:24:30
● 2026-04-23 04:40:04
● 2026-04-24 16:14:14
○ 2026-05-09 16:33:40
● 2026-05-16 08:42:32
● 2026-05-25 02:12:02
○ 2026-05-25 19:43:32
○ 2026-05-31 15:29:46
● 2026-06-04 19:33:26
○ 2026-06-29 09:15:16
● 2026-07-09 01:29:44
○ 2026-08-16 23:22:26
○ 2026-08-16 23:22:30

○A188.114.97.02026-04-16 → 2026-07-09 · 15 obs

○A221.231.138.182016-03-04 → 2016-03-04 · 4 obs

○ 2015-10-30 12:42:04
● 2016-03-04 22:27:10
○ 2016-07-17 07:19:24
○ 2026-08-16 23:22:30

●A2606:4700:3031::6815:d032026-06-29 → 2026-08-16 · 5 obs

○ 2026-06-04 19:33:26
● 2026-06-29 09:15:16
○ 2026-07-09 01:29:44
● 2026-08-16 23:22:26
● 2026-08-16 23:22:30

○A2606:4700:3032::ac43:9a042026-03-22 → 2026-05-31 · 14 obs

○A2606:4700:3035::6815:d032026-03-22 → 2026-05-31 · 14 obs

●A2606:4700:3035::ac43:9a042026-06-29 → 2026-08-16 · 5 obs

○ 2026-06-04 19:33:26
● 2026-06-29 09:15:16
○ 2026-07-09 01:29:44
● 2026-08-16 23:22:26
● 2026-08-16 23:22:30

○A2a06:98c1:3120::2026-04-16 → 2026-07-09 · 15 obs

○A2a06:98c1:3121::2026-04-16 → 2026-07-09 · 15 obs

○A61.152.91.1722017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-17 07:19:24
● 2017-03-31 19:08:10
○ 2026-03-22 19:58:30
○ 2026-08-16 23:22:30

○A61.152.93.662015-06-13 → 2016-07-17 · 6 obs

● 2015-06-13 19:07:52
● 2015-10-30 12:42:04
○ 2016-03-04 22:27:10
● 2016-07-17 07:19:24
○ 2017-03-31 19:08:10
○ 2026-08-16 23:22:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coupletech.com	eric.ns.cloudflare.com, anna.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.112

NS records: eric.ns.cloudflare.com, anna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coupletech.com (unsigned zone)

⏱️ Timing

Total: 299ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.3, 172.67.154.4`
AAAA	2	`2606:4700:3031::6815:d03, 2606:4700:3035::ac43:9a04`
NS	2	`anna.ns.cloudflare.com, eric.ns.cloudflare.com`
MX	2	`hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5)`
TXT	2	`google-site-verification=5WDOsXi8WYJtwcT, v=spf1 include:spf.163.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anna.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (eric.ns.cloudflare.com, eric.ns.cloudflare.com, eric.ns.cloudflare.com...)

Analysis

Hierarchy

www.coupletech.com is delegated beneath coupletech.com.

IP Addresses

coupletech.com directs to four IP numbers, which are 104.21.13.3, 172.67.154.4, 2606:4700:3031::6815:d03 and 2606:4700:3035::ac43:9a04.

5888hp.com, xn--jhqs5phyj.com, mail.filka.info plus two other host names have IP numbers in common with coupletech.com.

Name Servers

The NS records for coupletech.com delegate to anna.ns.cloudflare.com and eric.ns.cloudflare.com.

The name server configuration of coupletech.com is shared with other domains, for instance jxtusi.com, fxcmasia.com, agrishuoxin.com and two others.

There is at least partial name server overlap between coupletech.com and other domains — bansalpipe.com, tien-i.com, roamansmemberrewards.com and two more among them.

These name servers are routinely deployed together with the name servers pam.ns.cloudflare.com.

Hosts with 6 IP addresses each:

anna.ns.cloudflare.com maps to 108.162.192.102, 172.64.32.102, 173.245.58.102 and 3 additional IP addresses.

eric.ns.cloudflare.com maps to 108.162.193.112, 172.64.33.112, 173.245.59.112 and 3 additional IP addresses.

Mail Servers

coupletech.com uses two mail servers, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

The mail server setup of coupletech.com matches that of other domains such as wf-better.com, dongyujixie.com, pvcmat.com and two others.

coupletech.com partially shares its mail servers with other domains; known examples include yun021.com, lidahouse.com and zj-dnc.com.

hzmx01.mxmail.netease.com has IP addresses 47.251.71.119 and 47.251.84.126; hzmx02.mxmail.netease.com has the same IP addresses: 47.251.71.119 and 47.251.84.126.

hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com each have 47.251.71.119 IP addresses.

hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com each have 47.251.84.126 IP addresses.