www.stackoverflow.ca - dns.ninja

www.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=35, 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=35, name=cloudflare-ech.com
SOAbayan.ns.cloudflare.comdns@cloudflare.com serial=2408245492

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.61.240172.67.216.2532606:4700:3033::6815:3df02606:4700:3035::ac43:d8fd2606:4700:3031::6815:3df075.126.101.24575.126.102.230
●A104.21.61.2402026-02-18 → 2026-08-02 · 3 obs
○ 2017-10-10 21:05:00
● 2026-02-18 00:49:00
● 2026-08-02 05:26:40
●A172.67.216.2532026-02-18 → 2026-08-02 · 3 obs
○ 2017-10-10 21:05:00
● 2026-02-18 00:49:00
● 2026-08-02 05:26:40
○A2606:4700:3031::6815:3df02026-02-18 → 2026-06-04 · 5 obs
○ 2017-10-10 21:05:00
● 2026-02-18 00:49:00
● 2026-06-04 10:37:10
○ 2026-06-19 13:52:28
○ 2026-08-02 05:26:40
●A2606:4700:3033::6815:3df02026-06-19 → 2026-08-02 · 3 obs
○ 2026-06-04 10:37:10
● 2026-06-19 13:52:28
● 2026-08-02 05:26:40
●A2606:4700:3035::ac43:d8fd2026-02-18 → 2026-08-02 · 3 obs
○ 2017-10-10 21:05:00
● 2026-02-18 00:49:00
● 2026-08-02 05:26:40
○A75.126.101.2452016-12-15 → 2017-10-10 · 5 obs
○ 2016-10-24 04:18:06
● 2016-12-15 03:25:58
● 2017-10-10 21:05:00
○ 2026-02-18 00:49:00
○ 2026-08-02 05:26:40
○A75.126.102.2302015-08-04 → 2016-10-24 · 4 obs
● 2015-08-04 14:55:46
● 2016-10-24 04:18:06
○ 2016-12-15 03:25:58
○ 2026-08-02 05:26:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
stackoverflow.cabayan.ns.cloudflare.com, lana.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.72

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: 263ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.216.253, 104.21.61.240
AAAA22606:4700:3035::ac43:d8fd, 2606:4700:3033::6815:3df0
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.stackoverflow.ca points to the four IP addresses 104.21.61.240, 172.67.216.253, 2606:4700:3033::6815:3df0 and 2606:4700:3035::ac43:d8fd.

cococolab.com, www.upvcwindows-edinburgh.uk, gljzgw.poweredbyclear.com plus two other host names have IP numbers in common with www.stackoverflow.ca.