🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`apptestguide.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:1373^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ba20^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.115^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.32^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`devin.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c31^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c331^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`devin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2331^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`devin.ns.cloudflare.com`
		A	108.162.195.49^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
		A	162.159.44.49^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
		A	172.64.35.49^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
NS	`janet.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`janet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`janet.ns.cloudflare.com`
		A	108.162.192.169^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	172.64.32.169^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	173.245.58.169^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.115, 172.67.186.32
		IPv6 hints	2606:4700:3036::6815:1373, 2606:4700:3036::ac43:ba20
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOA	`devin.ns.cloudflare.com`dns@cloudflare.com serial=2419296283

`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=1794364776

Same first word

apptestguide.com

Similar names

tugapeptides.com

Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSdevin.ns.cloudflare.com2026-08-19 → 2026-11-11 · 2 obs

● 2026-08-19 20:53:06
● 2026-11-11 02:52:38

●NSjanet.ns.cloudflare.com2026-08-19 → 2026-11-11 · 2 obs

● 2026-08-19 20:53:06
● 2026-11-11 02:52:38

●MXmx1.feishu.cn2026-08-19 → 2026-11-11 · 2 obs

● 2026-08-19 20:53:06
● 2026-11-11 02:52:38

●MXmx2.feishu.cn2026-08-19 → 2026-11-11 · 2 obs

● 2026-08-19 20:53:06
● 2026-11-11 02:52:38

●MXmx3.feishu.cn2026-08-19 → 2026-11-11 · 2 obs

● 2026-08-19 20:53:06
● 2026-11-11 02:52:38

●A104.21.19.1152026-09-25 → 2026-11-11 · 3 obs

○ 2026-08-19 20:53:06
● 2026-09-25 14:36:16
● 2026-11-11 02:52:38

●A172.67.186.322026-09-25 → 2026-11-11 · 3 obs

○ 2026-08-19 20:53:06
● 2026-09-25 14:36:16
● 2026-11-11 02:52:38

○A188.114.96.02026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 20:53:06
○ 2026-09-25 14:36:16
○ 2026-11-11 02:52:38

○A188.114.97.02026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 20:53:06
○ 2026-09-25 14:36:16
○ 2026-11-11 02:52:38

●A2606:4700:3036::6815:13732026-09-25 → 2026-11-11 · 3 obs

○ 2026-08-19 20:53:06
● 2026-09-25 14:36:16
● 2026-11-11 02:52:38

●A2606:4700:3036::ac43:ba202026-09-25 → 2026-11-11 · 3 obs

○ 2026-08-19 20:53:06
● 2026-09-25 14:36:16
● 2026-11-11 02:52:38

○A2a06:98c1:3120::2026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 20:53:06
○ 2026-09-25 14:36:16
○ 2026-11-11 02:52:38

○A2a06:98c1:3121::2026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 20:53:06
○ 2026-09-25 14:36:16
○ 2026-11-11 02:52:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
apptestguide.com	janet.ns.cloudflare.com, devin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.49

NS records: janet.ns.cloudflare.com, devin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.32, 104.21.19.115`
AAAA	2	`2606:4700:3036::ac43:ba20, 2606:4700:3036::6815:1373`
NS	2	`devin.ns.cloudflare.com, janet.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	1	`v=spf1 +include:_netblocks.m.feishu.cn -`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`devin.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

apptestguide.com has four IP addresses: 104.21.19.115, 172.67.186.32, 2606:4700:3036::6815:1373 and 2606:4700:3036::ac43:ba20.

zeroemissionsvehicles.co.uk, createit-tt.com, petirjuara.space plus two other host names have IP numbers in common with apptestguide.com.

Name Servers

apptestguide.com is served by two delegated name servers, devin.ns.cloudflare.com and janet.ns.cloudflare.com.

The name server configuration of apptestguide.com is shared with other domains, for instance waleedmughalahmad.workers.dev, trexzen250.workers.dev, funnado.org and two others.

apptestguide.com partially shares its NS delegation with several other domains, including biganslotoff.com, rhb-f71.workers.dev, purocammino.com and two others.

These name servers are regularly seen alongside wells.ns.cloudflare.com and nelly.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

devin.ns.cloudflare.com carries IP addresses 108.162.195.49, 162.159.44.49 and 172.64.35.49, with 3 other addresses beyond those.

janet.ns.cloudflare.com carries IP addresses 108.162.192.169, 172.64.32.169 and 173.245.58.169, with 3 other addresses beyond those.

Mail Servers

apptestguide.com uses three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

At least some of the mail servers used by apptestguide.com are shared with other domains: xnmotors.com, agilink-ai.com, wanyu.biz and two others among them.

Host names carrying three IP numbers:

mx3.feishu.cn resolves to three addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names pointing to two IP addresses:

mx2.feishu.cn maps to two IP addresses — 101.126.58.225 and 122.14.229.0.

Host names resolving to a single IP address:

mx1.feishu.cn points to the IP address 52.220.106.220.

These two host names — mx3.feishu.cn and mx1.feishu.cn — each point to 52.220.106.220 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 101.126.58.225 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 122.14.229.0 IP addresses.

apptestguide.com - robtex.com