ns.stackoverflow.ca - dns.ninja

ns.stackoverflow.ca

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3df0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d8fd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.240Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.253🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.240, 172.67.216.253
IPv6 hints2606:4700:3033::6815:3df0, 2606:4700:3035::ac43:d8fd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com

stackoverflow.ca

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3df0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d8fd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.240Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.253🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbayan.ns.cloudflare.com ⭐
NSlana.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.240, 172.67.216.253
IPv6 hints2606:4700:3033::6815:3df0, 2606:4700:3035::ac43:d8fd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com
SOAbayan.ns.cloudflare.comdns@cloudflare.com serial=2406572783

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.61.240172.67.216.2532606:4700:3033::6815:3df02606:4700:3035::ac43:d8fd2606:4700:3031::6815:3df075.126.102.230
●A104.21.61.2402026-02-14 → 2026-06-19 · 3 obs
○ 2016-04-17 03:29:12
● 2026-02-14 19:53:06
● 2026-06-19 15:28:12
●A172.67.216.2532026-02-14 → 2026-06-19 · 3 obs
○ 2016-04-17 03:29:12
● 2026-02-14 19:53:06
● 2026-06-19 15:28:12
○A2606:4700:3031::6815:3df02026-02-14 → 2026-06-15 · 5 obs
○ 2016-04-17 03:29:12
● 2026-02-14 19:53:06
● 2026-06-15 21:41:18
○ 2026-06-19 06:20:08
○ 2026-06-19 15:28:12
●A2606:4700:3033::6815:3df02026-06-19 → 2026-06-19 · 3 obs
○ 2026-06-15 21:41:18
● 2026-06-19 06:20:08
● 2026-06-19 15:28:12
●A2606:4700:3035::ac43:d8fd2026-02-14 → 2026-06-19 · 3 obs
○ 2016-04-17 03:29:12
● 2026-02-14 19:53:06
● 2026-06-19 15:28:12
○A75.126.102.2302015-06-22 → 2016-04-17 · 4 obs
● 2015-06-22 21:33:26
● 2016-04-17 03:29:12
○ 2026-02-14 19:53:06
○ 2026-06-19 15:28:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
caany.ca-servers.ca, d.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca-
stackoverflow.cabayan.ns.cloudflare.com, lana.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.72

NS records: bayan.ns.cloudflare.com, lana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackoverflow.ca (unsigned zone)

⏱️ Timing

Total: 383ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.61.240, 172.67.216.253
AAAA22606:4700:3035::ac43:d8fd, 2606:4700:3033::6815:3df0
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

ns.stackoverflow.ca has four IP addresses: 104.21.61.240, 172.67.216.253, 2606:4700:3033::6815:3df0 and 2606:4700:3035::ac43:d8fd.

Two other host names, along with onlineadv.poweredbyclear.com, www.publive.com and endumeni1.poweredbyclear.com, also share IP numbers with ns.stackoverflow.ca.