🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackandflex.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2d90^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d733^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.144^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.51^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elmo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elmo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elmo.ns.cloudflare.com`
		A	108.162.193.163^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
		A	172.64.33.163^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
		A	173.245.59.163^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elmo.ns.cloudflare.com`
NS	`sierra.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sierra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sierra.ns.cloudflare.com`
		A	108.162.194.245^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	162.159.38.245^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	172.64.34.245^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.144, 172.67.215.51
		IPv6 hints	2606:4700:3034::6815:2d90, 2606:4700:3037::ac43:d733
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com
SOA	`elmo.ns.cloudflare.com`dns@cloudflare.com serial=2418935887

`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=1794402666

Same first word

stackandflex.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSelmo.ns.cloudflare.com2026-10-08 → 2026-11-11 · 2 obs

● 2026-10-08 19:06:08
● 2026-11-11 13:53:32

●NSsierra.ns.cloudflare.com2026-10-08 → 2026-11-11 · 2 obs

● 2026-10-08 19:06:08
● 2026-11-11 13:53:32

●A104.21.45.1442026-11-11 → 2026-11-11 · 2 obs

● 2026-11-11 13:43:38
● 2026-11-11 13:53:32

●A172.67.215.512026-11-11 → 2026-11-11 · 2 obs

● 2026-11-11 13:43:38
● 2026-11-11 13:53:32

●A2606:4700:3034::6815:2d902026-11-11 → 2026-11-11 · 2 obs

● 2026-11-11 13:43:38
● 2026-11-11 13:53:32

●A2606:4700:3037::ac43:d7332026-11-11 → 2026-11-11 · 2 obs

● 2026-11-11 13:43:38
● 2026-11-11 13:53:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stackandflex.com	elmo.ns.cloudflare.com, sierra.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.245

NS records: elmo.ns.cloudflare.com, sierra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackandflex.com (unsigned zone)

⏱️ Timing

Total: 246ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.215.51, 104.21.45.144`
AAAA	2	`2606:4700:3037::ac43:d733, 2606:4700:3034::6815:2d90`
NS	2	`elmo.ns.cloudflare.com, sierra.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elmo.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stackandflex.com resolves to four IP addresses: 104.21.45.144, 172.67.215.51, 2606:4700:3034::6815:2d90 and 2606:4700:3037::ac43:d733.

Two other host names, along with microsoft-oidc.siftmed.workers.dev, sportsfarmakologizone.com and gatesofolympussuperscatter.co.nl, also share IP numbers with stackandflex.com.

Name Servers

stackandflex.com has two authoritative name servers — elmo.ns.cloudflare.com and sierra.ns.cloudflare.com.

stackandflex.com shares its NS records with other domains, for example studypixi.com, tuanuncio.com.ar, gpshine7joshmoviescom.workers.dev and two others.

stackandflex.com has at least partial name server overlap with other domains, such as matthias-4.workers.dev, fliessband.pages.dev, max-cashzonepro.click and two others.

The name servers aiden.ns.cloudflare.com, deb.ns.cloudflare.com, vita.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

elmo.ns.cloudflare.com points to 108.162.193.163, 172.64.33.163, 173.245.59.163 and 3 other IP addresses.

sierra.ns.cloudflare.com points to 108.162.194.245, 162.159.38.245, 172.64.34.245 and 3 other IP addresses.

stackandflex.com - robtex.com