🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stack404.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:dbcf^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:5b84^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.132^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.207^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`piotr.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`piotr.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`piotr.ns.cloudflare.com`
		A	108.162.193.222^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	172.64.33.222^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	173.245.59.222^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
NS	`sue.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c091^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sue.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2091^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sue.ns.cloudflare.com`
		A	108.162.192.145^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	172.64.32.145^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	173.245.58.145^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`MailKey=jDTEawdeUv7`
TXT	`google-site-verification=Pr4_1xX2x-Z4jBH5VSzi1Ffs-dwdeyjYQPOjM8tMVQg`
TXT	`v=spf1 ip4:194.110.243.46 include:spf.hosting09.layerip.com +a +mx +ip4:185.2...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.91.132, 172.67.219.207
		IPv6 hints	2606:4700:3034::ac43:dbcf, 2606:4700:3035::6815:5b84
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOA	`piotr.ns.cloudflare.com`dns@cloudflare.com serial=2412581420

`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=1788324755

Same first word

stack404.me

stack404.com

Similar names

stack440.com

stack440.synology.me

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSpiotr.ns.cloudflare.com2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●NSsue.ns.cloudflare.com2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●MXalt1.aspmx.l.google.com2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●MXalt2.aspmx.l.google.com2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●MXalt3.aspmx.l.google.com2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●MXalt4.aspmx.l.google.com2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●MXaspmx.l.google.com2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●A104.21.91.1322026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●A172.67.219.2072026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●A2606:4700:3034::ac43:dbcf2026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

●A2606:4700:3035::6815:5b842026-09-01 → 2026-09-02 · 2 obs

● 2026-09-01 14:12:14
● 2026-09-02 05:00:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stack404.com	sue.ns.cloudflare.com, piotr.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.222

NS records: sue.ns.cloudflare.com, piotr.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stack404.com (unsigned zone)

⏱️ Timing

Total: 117ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.219.207, 104.21.91.132`
AAAA	2	`2606:4700:3034::ac43:dbcf, 2606:4700:3035::6815:5b84`
NS	2	`piotr.ns.cloudflare.com, sue.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`MailKey=jDTEawdeUv7, google-site-verification=Pr4_1xX2x-Z4jBH...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`piotr.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stack404.com directs to four IP numbers, which are 104.21.91.132, 172.67.219.207, 2606:4700:3034::ac43:dbcf and 2606:4700:3035::6815:5b84.

Two other host names, along with splaces.net, totorobot.co.uk and ns2.eaemachinery.com, also share IP numbers with stack404.com.

Name Servers

stack404.com has two authoritative name servers — piotr.ns.cloudflare.com and sue.ns.cloudflare.com.

stack404.com shares its NS records with other domains, for example realzcasino-hu.com, cognimail.com, di-gong-case-c3-v1.pages.dev and two others.

At least some of stack404.com's name servers are shared with other domains, for example (0x736578)gramm.ru, bucharestcitytour.com, minaome.com and two more.

These name servers tend to be deployed in combination with the name servers nile.ns.cloudflare.com and betty.ns.cloudflare.com.

DNS names with 6 IP addresses:

piotr.ns.cloudflare.com points to 108.162.193.222, 172.64.33.222, 173.245.59.222 and 3 other IP addresses.

sue.ns.cloudflare.com points to 108.162.192.145, 172.64.32.145, 173.245.58.145 and 3 other IP addresses.

Mail Servers

Five mail servers handle stack404.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between stack404.com and other domains, including 307athlete.com, theexecutionlab.ca, rickarce.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com resolves to 192.178.155.26 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.