`blockchainhackathon.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5f9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8614^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.249^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.20^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chuck.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b56^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c156^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chuck.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2156^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chuck.ns.cloudflare.com`
		A	108.162.193.86^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
		A	172.64.33.86^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
		A	173.245.59.86^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
NS	`edna.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`edna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`edna.ns.cloudflare.com`
		A	108.162.192.109^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
		A	172.64.32.109^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
		A	173.245.58.109^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
TXT	`google-site-verification=yczmVODEG6FkHf1DpMgLQTEZiZ1nKHwr9-sVxkbYBFA`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.249, 172.67.134.20
		IPv6 hints	2606:4700:3031::6815:5f9, 2606:4700:3035::ac43:8614
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOA	`chuck.ns.cloudflare.com`dns@cloudflare.com serial=2402751371

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1777272681

Same first word

blockchainhackathon.io

DNS History

10 records (6 active, 4 former)

●NSchuck.ns.cloudflare.com2026-03-30 → 2026-04-27 · 3 obs

○ 2018-06-14 12:25:40
● 2026-03-30 16:14:24
● 2026-04-27 07:21:28

●NSedna.ns.cloudflare.com2026-03-30 → 2026-04-27 · 3 obs

○ 2018-06-14 12:25:40
● 2026-03-30 16:14:24
● 2026-04-27 07:21:28

○NSgeorge.ns.cloudflare.com2018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 12:25:40
○ 2026-03-30 16:14:24
○ 2026-04-27 07:21:28

○NSolga.ns.cloudflare.com2018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 12:25:40
○ 2026-03-30 16:14:24
○ 2026-04-27 07:21:28

○A104.18.58.882018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 12:25:40
○ 2026-03-30 16:14:24
○ 2026-04-27 07:21:28

○A104.18.59.882018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 12:25:40
○ 2026-03-30 16:14:24
○ 2026-04-27 07:21:28

●A104.21.5.2492026-03-30 → 2026-04-27 · 3 obs

○ 2018-06-14 12:25:40
● 2026-03-30 16:14:24
● 2026-04-27 07:21:28

●A172.67.134.202026-03-30 → 2026-04-27 · 3 obs

○ 2018-06-14 12:25:40
● 2026-03-30 16:14:24
● 2026-04-27 07:21:28

●A2606:4700:3031::6815:5f92026-03-30 → 2026-04-27 · 3 obs

○ 2018-06-14 12:25:40
● 2026-03-30 16:14:24
● 2026-04-27 07:21:28

●A2606:4700:3035::ac43:86142026-03-30 → 2026-04-27 · 3 obs

○ 2018-06-14 12:25:40
● 2026-03-30 16:14:24
● 2026-04-27 07:21:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
blockchainhackathon.io	chuck.ns.cloudflare.com, edna.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.109

NS records: chuck.ns.cloudflare.com, edna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockchainhackathon.io (unsigned zone)

⏱️ Timing

Total: 396ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.134.20, 104.21.5.249`
AAAA	2	`2606:4700:3035::ac43:8614, 2606:4700:3031::6815:5f9`
NS	2	`chuck.ns.cloudflare.com, edna.ns.cloudflare.com`
TXT	1	`google-site-verification=yczmVODEG6FkHf1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chuck.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

blockchainhackathon.io points to four IP numbers: 2606:4700:3031::6815:5f9, 2606:4700:3035::ac43:8614, 104.21.5.249 and 172.67.134.20.

Other host names, for instance clgaming.net, busportal.org, relay1.sys-group.ru, ohaber.com and 29firerescue.com share IP numbers with blockchainhackathon.io.

Name Servers

blockchainhackathon.io's delegation is to two name servers chuck.ns.cloudflare.com and edna.ns.cloudflare.com.

blockchainhackathon.io shares the same name server configuration as other domains, such as asdso.com, damfailures.org, damsafety.us, universalsale.net and urbansteelkitchen.com.

blockchainhackathon.io at least partially shares its name servers with other domains, for instance indxyzzsd.baby, wycieczkinowazelandia.pl, shijintang.com.tw, kenluallen.com and theeditorialhub.com.

These name servers are often used together with the name servers naomi.ns.cloudflare.com.

Host names with six IP numbers:

chuck.ns.cloudflare.com points to: 2606:4700:58::adf5:3b56, 2803:f800:50::6ca2:c156, 2a06:98c1:50::ac40:2156, 108.162.193.86, 172.64.33.86 and 173.245.59.86.

edna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6d, 2803:f800:50::6ca2:c06d, 2a06:98c1:50::ac40:206d, 108.162.192.109, 172.64.32.109 and 173.245.58.109.

blockchainhackathon.io - robtex.com