blockstream.io - dns.ninja

`blockstream.io`

DNSSEC	⚠️ Not signed
A	35.227.199.207^{🇺🇸 Google35.227.0.0/16}
		PTR	`207.199.227.35.bc.googleusercontent.com`
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-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	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.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=rvFxA96eQPBxgEtRO-jdSLO4ISFqFjQ_233lGFbNEXk`
TXT	`amazon-business-verification=a4ba859e0326bcd2d541c337b25f1974f09aa1ce57450c83...`
TXT	`v=spf1 ip4:188.226.192.210 include:_spf.google.com include:mailgun.org -all`
TXT	`docusign=48865062-6edd-424c-93b5-6146c91fa13e`
SOA	`ns1.digitalocean.com`hostmaster@blockstream.io serial=0

`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=1786264009

Subdomains

ns1.blockstream.io

www.blockstream.io

Same first word

Similar names

DNS History

18 records (9 active, 9 former)

○NSdns1.registrar-servers.com2015-05-27 → 2021-09-02 · 4 obs

● 2015-05-27 22:24:52
● 2021-09-02 18:16:56
○ 2026-03-24 11:28:40
○ 2026-08-09 08:42:04

○NSdns2.registrar-servers.com2015-05-27 → 2021-09-02 · 4 obs

● 2015-05-27 22:24:52
● 2021-09-02 18:16:56
○ 2026-03-24 11:28:40
○ 2026-08-09 08:42:04

○NSdns3.registrar-servers.com2015-05-27 → 2016-03-01 · 4 obs

● 2015-05-27 22:24:52
● 2016-03-01 19:58:38
○ 2016-07-09 00:41:28
○ 2026-08-09 08:42:04

○NSdns4.registrar-servers.com2015-05-27 → 2016-03-01 · 4 obs

● 2015-05-27 22:24:52
● 2016-03-01 19:58:38
○ 2016-07-09 00:41:28
○ 2026-08-09 08:42:04

○NSdns5.registrar-servers.com2015-05-27 → 2016-03-01 · 4 obs

● 2015-05-27 22:24:52
● 2016-03-01 19:58:38
○ 2016-07-09 00:41:28
○ 2026-08-09 08:42:04

●NSns1.digitalocean.com2026-03-24 → 2026-08-09 · 3 obs

○ 2021-09-02 18:16:56
● 2026-03-24 11:28:40
● 2026-08-09 08:42:04

●NSns2.digitalocean.com2026-03-24 → 2026-08-09 · 3 obs

○ 2021-09-02 18:16:56
● 2026-03-24 11:28:40
● 2026-08-09 08:42:04

●NSns3.digitalocean.com2026-03-24 → 2026-08-09 · 3 obs

○ 2021-09-02 18:16:56
● 2026-03-24 11:28:40
● 2026-08-09 08:42:04

●MXalt1.aspmx.l.google.com2015-05-27 → 2026-08-09 · 2 obs

● 2015-05-27 22:24:52
● 2026-08-09 08:42:04

●MXalt2.aspmx.l.google.com2015-05-27 → 2026-08-09 · 2 obs

● 2015-05-27 22:24:52
● 2026-08-09 08:42:04

●MXaspmx.l.google.com2015-05-27 → 2026-08-09 · 2 obs

● 2015-05-27 22:24:52
● 2026-08-09 08:42:04

●MXaspmx2.googlemail.com2015-05-27 → 2026-08-09 · 2 obs

● 2015-05-27 22:24:52
● 2026-08-09 08:42:04

●MXaspmx3.googlemail.com2015-05-27 → 2026-08-09 · 2 obs

● 2015-05-27 22:24:52
● 2026-08-09 08:42:04

○A188.226.192.2102015-05-27 → 2015-05-27 · 3 obs

● 2015-05-27 22:24:52
○ 2015-11-07 22:13:52
○ 2026-08-09 08:42:04

○A208.90.213.1962015-11-07 → 2017-02-15 · 5 obs

○ 2015-05-27 22:24:52
● 2015-11-07 22:13:52
● 2017-02-15 05:31:38
○ 2021-09-02 18:16:56
○ 2026-08-09 08:42:04

○A34.117.24.652026-03-24 → 2026-08-09 · 2 obs

○ 2026-03-24 11:28:40
○ 2026-08-09 08:42:04

●A35.227.199.2072026-03-24 → 2026-08-09 · 3 obs

○ 2021-09-02 18:16:56
● 2026-03-24 11:28:40
● 2026-08-09 08:42:04

○A35.239.186.322021-09-02 → 2021-09-02 · 4 obs

○ 2017-02-15 05:31:38
● 2021-09-02 18:16:56
○ 2026-03-24 11:28:40
○ 2026-08-09 08:42:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
blockstream.io	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	-

✅ Authoritative Response

Server:172.64.49.209

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockstream.io (unsigned zone)

⏱️ Timing

Total: 357ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.227.199.207`
NS	3	`ns3.digitalocean.com, ns1.digitalocean.com...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	4	`docusign=48865062-6edd-424c-93b5-6146c91, amazon-business-verification=a4ba859e032...`
SOA	1	`ns1.digitalocean.com hostmaster.blockstr`

Analysis

Hierarchy

ns1.blockstream.io and www.blockstream.io each fall under blockstream.io as their parent domain.

IP Addresses

blockstream.io resolves to just one IP address, 35.227.199.207.

Other host names — 207.199.227.35.bc.googleusercontent.com, countly.blockstream.com, blockstream.space and www.blockstream.io — share IP numbers with blockstream.io.

Name Servers

blockstream.io is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

blockstream.io shares at least some of its name servers with other domains, including aliturk.net, 193.189.206.in-addr.arpa, nerdia.com and two others.

ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each resolve to two IP addresses: ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

blockstream.io is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between blockstream.io and other domains, including wattst.com, eurekaweldingalloys.com, enchanting-africa.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com points to 192.178.234.26 and 2800:3f0:4003:c14::1b.

aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com points to 172.253.115.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com points to 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c14::1b IP addresses.

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