🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`teststack.online`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:87c8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:737^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.55^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.200^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`leanna.ns.cloudflare.com`
		A	2606:4700:50::a29f:2697^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leanna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c297^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leanna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2297^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leanna.ns.cloudflare.com`
		A	108.162.194.151^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leanna.ns.cloudflare.com`
		A	162.159.38.151^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leanna.ns.cloudflare.com`
		A	172.64.34.151^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leanna.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.55, 172.67.135.200
		IPv6 hints	2606:4700:3030::ac43:87c8, 2606:4700:3034::6815:737
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2416709059

`online`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1791405210

⚠️ On DNS blocklist: spam-tlds

Same first word

teststack.site

teststack.shop

teststack.ai

teststack.online

teststack.de

teststack.azurewebsites.net

teststack.blogspot.com

teststack.com

teststack.xyz

teststack.cz

teststack.net

Similar names

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSbob.ns.cloudflare.com2026-10-02 → 2026-10-07 · 2 obs

● 2026-10-02 19:44:38
● 2026-10-07 21:24:26

●NSleanna.ns.cloudflare.com2026-10-02 → 2026-10-07 · 2 obs

● 2026-10-02 19:44:38
● 2026-10-07 21:24:26

●A104.21.7.552026-10-02 → 2026-10-07 · 2 obs

● 2026-10-02 19:44:38
● 2026-10-07 21:24:26

●A172.67.135.2002026-10-02 → 2026-10-07 · 2 obs

● 2026-10-02 19:44:38
● 2026-10-07 21:24:26

●A2606:4700:3030::ac43:87c82026-10-02 → 2026-10-07 · 2 obs

● 2026-10-02 19:44:38
● 2026-10-07 21:24:26

●A2606:4700:3034::6815:7372026-10-02 → 2026-10-07 · 2 obs

● 2026-10-02 19:44:38
● 2026-10-07 21:24:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
online	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	-
teststack.online	bob.ns.cloudflare.com, leanna.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.104

NS records: bob.ns.cloudflare.com, leanna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teststack.online (unsigned zone)

⏱️ Timing

Total: 2091ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.7.55, 172.67.135.200`
AAAA	2	`2606:4700:3030::ac43:87c8, 2606:4700:3034::6815:737`
NS	2	`bob.ns.cloudflare.com, leanna.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

teststack.online directs to four IP numbers, which are 104.21.7.55, 172.67.135.200, 2606:4700:3030::ac43:87c8 and 2606:4700:3034::6815:737.

Among the host names that share IP numbers with teststack.online are dgsalvadormunoz.com, chompie.rip, burakakbudak.com.tr and two others.

Name Servers

Two name servers handle the delegation for teststack.online: bob.ns.cloudflare.com and leanna.ns.cloudflare.com.

teststack.online has the same name server delegation as a number of other domains, such as wghaotian.online, saavifinance.com, andinayasalim49.workers.dev and two more.

The name servers of teststack.online overlap at least partially with those of other domains — among them chicken-tractor-wheel-system.pages.dev, naputi.org, hisgoodabc.click and two more.

These name servers commonly appear alongside the name servers brianna.ns.cloudflare.com and violet.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bob.ns.cloudflare.com resolves to 108.162.193.104, 172.64.33.104 and 173.245.59.104 among others, with 3 other IP addresses in total.

leanna.ns.cloudflare.com resolves to 108.162.194.151, 162.159.38.151 and 172.64.34.151 among others, with 3 other IP addresses in total.

teststack.online - robtex.com