ns1.stackoverflow.ca - dns.ninja

`ns1.stackoverflow.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3df0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d8fd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.240^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.253^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.240, 172.67.216.253
		IPv6 hints	2606:4700:3033::6815:3df0, 2606:4700:3035::ac43:d8fd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com

`stackoverflow.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3df0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d8fd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.240^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.253^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bayan.ns.cloudflare.com` ⭐
NS	`lana.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.240, 172.67.216.253
		IPv6 hints	2606:4700:3033::6815:3df0, 2606:4700:3035::ac43:d8fd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOA	`bayan.ns.cloudflare.com`dns@cloudflare.com serial=2408245492

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DNS History

7 records (4 active, 3 former)

●A104.21.61.2402026-02-16 → 2026-08-02 · 5 obs

○ 2016-12-16 07:40:12
● 2026-02-16 04:19:38
○ 2026-06-23 05:58:26
● 2026-07-08 17:48:12
● 2026-08-02 12:13:20

●A172.67.216.2532026-02-16 → 2026-08-02 · 5 obs

○ 2016-12-16 07:40:12
● 2026-02-16 04:19:38
○ 2026-06-23 05:58:26
● 2026-07-08 17:48:12
● 2026-08-02 12:13:20

○A2606:4700:3031::6815:3df02026-02-16 → 2026-06-12 · 5 obs

○ 2016-12-16 07:40:12
● 2026-02-16 04:19:38
● 2026-06-12 19:39:42
○ 2026-06-19 13:52:28
○ 2026-08-02 12:13:20

●A2606:4700:3033::6815:3df02026-06-19 → 2026-08-02 · 5 obs

○ 2026-06-12 19:39:42
● 2026-06-19 13:52:28
○ 2026-06-23 05:58:26
● 2026-07-08 17:48:12
● 2026-08-02 12:13:20

●A2606:4700:3035::ac43:d8fd2026-02-16 → 2026-08-02 · 5 obs

○ 2016-12-16 07:40:12
● 2026-02-16 04:19:38
○ 2026-06-23 05:58:26
● 2026-07-08 17:48:12
● 2026-08-02 12:13:20

○A75.126.101.2452016-12-16 → 2016-12-16 · 4 obs

○ 2016-06-22 19:31:20
● 2016-12-16 07:40:12
○ 2026-02-16 04:19:38
○ 2026-08-02 12:13:20

○A75.126.102.2302015-06-15 → 2016-06-22 · 4 obs

● 2015-06-15 23:13:46
● 2016-06-22 19:31:20
○ 2016-12-16 07:40:12
○ 2026-08-02 12:13:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
stackoverflow.ca	bayan.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: 381ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.240, 172.67.216.253`
AAAA	2	`2606:4700:3033::6815:3df0, 2606:4700:3035::ac43:d8fd`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

ns1.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.

Additional host names — mirage-3d.com, www.dailyfoodrecipes.com, pprofilers.poweredbyclear.com and two others — share IP numbers with ns1.stackoverflow.ca.