blockchains.io - dns.ninja

`blockchains.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d4b3^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:25c7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.199^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.179^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`miles.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bcf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miles.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`miles.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`miles.ns.cloudflare.com`
		A	108.162.193.207^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miles.ns.cloudflare.com`
		A	172.64.33.207^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miles.ns.cloudflare.com`
		A	173.245.59.207^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miles.ns.cloudflare.com`
NS	`sandy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandy.ns.cloudflare.com`
		A	108.162.192.219^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	172.64.32.219^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	173.245.58.219^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`google-site-verification=RtQ7prEtx99tDE2plAUR9cG1X3ND5HZANVrfVJ5pdc8`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.199, 172.67.212.179
		IPv6 hints	2606:4700:3033::ac43:d4b3, 2606:4700:3037::6815:25c7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`miles.ns.cloudflare.com`dns@cloudflare.com serial=2410992546

`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=1786217680

Same first word

blockchains.pro

blockchains.ca

blockchains.guru

blockchains.host

blockchains.one

blockchains.ai

blockchains.de

blockchains.ch

blockchains.world

blockchains.directory

blockchains.io

blockchains.support

blockchains.money

blockchains.com

blockchains.us

Similar names

chainblocks.com

chainblocks.co.uk

blockschain.ai

blockchsain.com

chainblocks.com.au

DNS History

17 records (11 active, 6 former)

●NSmiles.ns.cloudflare.com2017-03-16 → 2026-08-08 · 2 obs

● 2017-03-16 18:30:18
● 2026-08-08 19:42:18

●NSsandy.ns.cloudflare.com2017-03-16 → 2026-08-08 · 2 obs

● 2017-03-16 18:30:18
● 2026-08-08 19:42:18

●MXalt1.aspmx.l.google.com2026-03-14 → 2026-08-08 · 2 obs

● 2026-03-14 12:40:26
● 2026-08-08 19:42:18

●MXalt2.aspmx.l.google.com2026-03-14 → 2026-08-08 · 2 obs

● 2026-03-14 12:40:26
● 2026-08-08 19:42:18

●MXaspmx.l.google.com2026-03-14 → 2026-08-08 · 2 obs

● 2026-03-14 12:40:26
● 2026-08-08 19:42:18

●MXaspmx2.googlemail.com2026-03-14 → 2026-08-08 · 2 obs

● 2026-03-14 12:40:26
● 2026-08-08 19:42:18

●MXaspmx3.googlemail.com2026-03-14 → 2026-08-08 · 2 obs

● 2026-03-14 12:40:26
● 2026-08-08 19:42:18

○A104.18.32.502017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 18:30:18
○ 2026-03-14 12:40:26
○ 2026-08-08 19:42:18

○A104.18.33.502017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 18:30:18
○ 2026-03-14 12:40:26
○ 2026-08-08 19:42:18

●A104.21.37.1992026-03-14 → 2026-08-08 · 3 obs

○ 2017-03-16 18:30:18
● 2026-03-14 12:40:26
● 2026-08-08 19:42:18

●A172.67.212.1792026-03-14 → 2026-08-08 · 3 obs

○ 2017-03-16 18:30:18
● 2026-03-14 12:40:26
● 2026-08-08 19:42:18

○A2400:cb00:2048:1::6812:20322017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 18:30:18
○ 2026-03-14 12:40:26
○ 2026-08-08 19:42:18

○A2400:cb00:2048:1::6812:21322017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 18:30:18
○ 2026-03-14 12:40:26
○ 2026-08-08 19:42:18

○A2606:4700:3030::6815:25c72026-03-14 → 2026-06-11 · 5 obs

○ 2017-03-16 18:30:18
● 2026-03-14 12:40:26
● 2026-06-11 16:46:42
○ 2026-07-02 04:52:40
○ 2026-08-08 19:42:18

●A2606:4700:3033::ac43:d4b32026-07-02 → 2026-08-08 · 3 obs

○ 2026-06-11 16:46:42
● 2026-07-02 04:52:40
● 2026-08-08 19:42:18

○A2606:4700:3036::ac43:d4b32026-03-14 → 2026-06-11 · 5 obs

○ 2017-03-16 18:30:18
● 2026-03-14 12:40:26
● 2026-06-11 16:46:42
○ 2026-07-02 04:52:40
○ 2026-08-08 19:42:18

●A2606:4700:3037::6815:25c72026-07-02 → 2026-08-08 · 3 obs

○ 2026-06-11 16:46:42
● 2026-07-02 04:52:40
● 2026-08-08 19:42:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a0.nic.io, a2.nic.io, b0.nic.io	-
blockchains.io	miles.ns.cloudflare.com, sandy.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.219

NS records: miles.ns.cloudflare.com, sandy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockchains.io (unsigned zone)

⏱️ Timing

Total: 919ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.199, 172.67.212.179`
AAAA	2	`2606:4700:3033::ac43:d4b3, 2606:4700:3037::6815:25c7`
NS	2	`miles.ns.cloudflare.com, sandy.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`google-site-verification=RtQ7prEtx99tDE2, v=spf1 include:_spf.google.com include:a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`miles.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

blockchains.io has four IP addresses: 104.21.37.199, 172.67.212.179, 2606:4700:3033::ac43:d4b3 and 2606:4700:3037::6815:25c7.

de.supremedip.shop, starkingdomstore.co.uk, streamchannel.com and two other host names share IP numbers with blockchains.io.

Name Servers

blockchains.io is served by two delegated name servers, miles.ns.cloudflare.com and sandy.ns.cloudflare.com.

blockchains.io uses the same name servers as several other domains — among them jetbingo.org, empurraodigital.com.br, agentcon.dev and two more.

blockchains.io partially shares its NS delegation with several other domains, including euamoitaberaba.com.br, xn--9t4bo7e14hungmwa.com, bankonme.net and two others.

These name servers regularly co-occur with the name servers jasmine.ns.cloudflare.com, celine.ns.cloudflare.com and jerry.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

miles.ns.cloudflare.com carries IP addresses 108.162.193.207, 172.64.33.207 and 173.245.59.207, with 3 other addresses beyond those.

sandy.ns.cloudflare.com carries IP addresses 108.162.192.219, 172.64.32.219 and 173.245.58.219, with 3 other addresses beyond those.

Mail Servers

Mail for blockchains.io is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

blockchains.io has at least partial mail server overlap with other domains such as saint-fiacre.net, santaynezvalleystar.com, gruposinelec.com and two more.

These mail servers commonly co-occur with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com maps to two IP addresses — 172.253.122.26 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.27 IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1a IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.27 IP addresses.