docs.bigstack.co - dns.ninja

`docs.bigstack.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a99b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1bb0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.176^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.155^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.176, 172.67.169.155
		IPv6 hints	2606:4700:3031::ac43:a99b, 2606:4700:3037::6815:1bb0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com

`bigstack.co`

	DNSSEC	⚠️ Not signed
	A	199.60.103.100^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242}
	A	199.60.103.200^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242}
	NS	`ajay.ns.cloudflare.com` ⭐
	NS	`dolly.ns.cloudflare.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
	MX	`aspmx2.googlemail.com`⁽⁴⁰⁾
	MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
	TXT	`apple-domain-verification=fc4Tdoqyszn6Pl1U`
	TXT	`google-site-verification=61h8lglYrf3qo9FWF0smm5pIEVbctRz_m_XnIMT3tqA`
	TXT	`google-site-verification=AKx0jiBW-r10TmRZgj1K-bu0j6wFr1uwBoL0_Ma5Sb4`
	TXT	`v=spf1 include:_spf.google.com include:23917899.spf10.hubspotemail.net ~all`
	TXT	`v=verifydomain MS=2516175`
	SOA	`ajay.ns.cloudflare.com`dns@cloudflare.com serial=2409419948

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DNS History

10 records (4 active, 6 former)

●A104.21.27.1762026-05-21 → 2026-07-13 · 3 obs

○ 2026-03-06 18:12:54
● 2026-05-21 11:51:08
● 2026-07-13 14:43:14

●A172.67.169.1552026-05-21 → 2026-07-13 · 3 obs

○ 2026-03-06 18:12:54
● 2026-05-21 11:51:08
● 2026-07-13 14:43:14

○A188.114.96.02026-03-06 → 2026-03-06 · 3 obs

● 2026-03-06 18:12:54
○ 2026-05-21 11:51:08
○ 2026-07-13 14:43:14

○A188.114.97.02026-03-06 → 2026-03-06 · 3 obs

● 2026-03-06 18:12:54
○ 2026-05-21 11:51:08
○ 2026-07-13 14:43:14

●A2606:4700:3031::ac43:a99b2026-07-09 → 2026-07-13 · 3 obs

○ 2026-06-10 22:39:06
● 2026-07-09 14:10:10
● 2026-07-13 14:43:14

○A2606:4700:3034::6815:1bb02026-05-21 → 2026-06-10 · 5 obs

○ 2026-03-06 18:12:54
● 2026-05-21 11:51:08
● 2026-06-10 22:39:06
○ 2026-07-09 14:10:10
○ 2026-07-13 14:43:14

●A2606:4700:3037::6815:1bb02026-07-09 → 2026-07-13 · 3 obs

○ 2026-06-10 22:39:06
● 2026-07-09 14:10:10
● 2026-07-13 14:43:14

○A2606:4700:3037::ac43:a99b2026-05-21 → 2026-06-10 · 5 obs

○ 2026-03-06 18:12:54
● 2026-05-21 11:51:08
● 2026-06-10 22:39:06
○ 2026-07-09 14:10:10
○ 2026-07-13 14:43:14

○A2a06:98c1:3120::2026-03-06 → 2026-03-06 · 3 obs

● 2026-03-06 18:12:54
○ 2026-05-21 11:51:08
○ 2026-07-13 14:43:14

○A2a06:98c1:3121::2026-03-06 → 2026-03-06 · 3 obs

● 2026-03-06 18:12:54
○ 2026-05-21 11:51:08
○ 2026-07-13 14:43:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
bigstack.co	ajay.ns.cloudflare.com, dolly.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.98

NS records: ajay.ns.cloudflare.com, dolly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bigstack.co (unsigned zone)

⏱️ Timing

Total: 1190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.176, 172.67.169.155`
AAAA	2	`2606:4700:3031::ac43:a99b, 2606:4700:3037::6815:1bb0`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

docs.bigstack.co has four IP addresses: 104.21.27.176, 172.67.169.155, 2606:4700:3031::ac43:a99b and 2606:4700:3037::6815:1bb0.

Additional host names — sanfranciscois(0x736578)y.com, www.pain-topics.org, hoisaiko.com and two others — share IP numbers with docs.bigstack.co.