blockstack.org - dns.ninja

`blockstack.org`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:97^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:197^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:453d^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.0.151^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.1.151^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.69.61^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`art.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
NS	`may.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c087^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`may.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2087^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`may.ns.cloudflare.com`
		A	108.162.192.135^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	172.64.32.135^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	173.245.58.135^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.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	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.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:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-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`
MX	`mxa.mailgun.org`⁽²⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org`⁽²⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`firebase=blockstack`
TXT	`globalsign-domain-verification=fjJGuQ9iIL4t6JHF79Rpl4aWkus2YqoRARudIKwp76`
TXT	`google-site-verification=7QIhcQbjvXtsFviefSqAcNpCR1xAYiI4hL2EKmqSCis`
TXT	`google-site-verification=PcXWfE1drimHTb_cFZtB2icDUuE2GFsXd29QVEyqUb0`
TXT	`google-site-verification=s3_ri4VdnrVPZW3u4h5HBYlT7UyBpKyaJmfma4_2Zi4`
TXT	`mailigen-site-verification=17c89be6ff815b52d95f41a08e30c4de`
TXT	`v=spf1 include:mailgun.org include:servers.mcsv.net include:mail.zendesk.com...`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.0.151, 104.26.1.151, 172.67.69.61
		IPv6 hints	2606:4700:20::681a:97, 2606:4700:20::681a:197, 2606:4700:20::ac43:453d
SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2403801950

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782361097

rank #96429 globally
rank #9090 in the tld
WOT: SAFE (66/100)
📈 Tranco rank: #336,731

Subdomains

chat.blockstack.org

gaia.blockstack.org

community.blockstack.org

Same first word

blockstack.com

blockstack.one

blockstack.myshopify.com

blockstack.org

blockstack.tv

Similar names

blackstock.info

blackstock.live

DNS History

21 records (15 active, 6 former)

●NSart.ns.cloudflare.com2016-12-05 → 2026-06-25 · 2 obs

● 2016-12-05 02:36:26
● 2026-06-25 04:50:20

●NSmay.ns.cloudflare.com2016-12-05 → 2026-06-25 · 2 obs

● 2016-12-05 02:36:26
● 2026-06-25 04:50:20

●MXalt1.aspmx.l.google.com2017-10-19 → 2026-06-25 · 3 obs

○ 2016-12-05 02:36:26
● 2017-10-19 00:53:00
● 2026-06-25 04:50:20

●MXalt2.aspmx.l.google.com2017-10-19 → 2026-06-25 · 3 obs

○ 2016-12-05 02:36:26
● 2017-10-19 00:53:00
● 2026-06-25 04:50:20

●MXaspmx.l.google.com2017-10-19 → 2026-06-25 · 3 obs

○ 2016-12-05 02:36:26
● 2017-10-19 00:53:00
● 2026-06-25 04:50:20

●MXaspmx2.googlemail.com2017-10-19 → 2026-06-25 · 3 obs

○ 2016-12-05 02:36:26
● 2017-10-19 00:53:00
● 2026-06-25 04:50:20

●MXaspmx3.googlemail.com2017-10-19 → 2026-06-25 · 3 obs

○ 2016-12-05 02:36:26
● 2017-10-19 00:53:00
● 2026-06-25 04:50:20

●MXmxa.mailgun.org2016-12-05 → 2026-06-25 · 2 obs

● 2016-12-05 02:36:26
● 2026-06-25 04:50:20

●MXmxb.mailgun.org2016-12-05 → 2026-06-25 · 2 obs

● 2016-12-05 02:36:26
● 2026-06-25 04:50:20

●A104.26.0.1512026-02-17 → 2026-06-25 · 3 obs

○ 2021-04-29 12:36:08
● 2026-02-17 07:09:00
● 2026-06-25 04:50:20

●A104.26.1.1512026-02-17 → 2026-06-25 · 3 obs

○ 2021-04-29 12:36:08
● 2026-02-17 07:09:00
● 2026-06-25 04:50:20

○A151.101.1.1952017-10-19 → 2018-01-13 · 5 obs

○ 2016-12-05 02:36:26
● 2017-10-19 00:53:00
● 2018-01-13 18:11:46
○ 2021-04-29 12:36:08
○ 2026-06-25 04:50:20

○A151.101.65.1952017-10-19 → 2018-01-13 · 5 obs

○ 2016-12-05 02:36:26
● 2017-10-19 00:53:00
● 2018-01-13 18:11:46
○ 2021-04-29 12:36:08
○ 2026-06-25 04:50:20

●A172.67.69.612026-02-17 → 2026-06-25 · 3 obs

○ 2021-04-29 12:36:08
● 2026-02-17 07:09:00
● 2026-06-25 04:50:20

○A23.235.33.1252016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 02:36:26
○ 2017-10-19 00:53:00
○ 2026-06-25 04:50:20

○A23.235.37.1252016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 02:36:26
○ 2017-10-19 00:53:00
○ 2026-06-25 04:50:20

●A2606:4700:20::681a:1972026-02-17 → 2026-06-25 · 3 obs

○ 2021-04-29 12:36:08
● 2026-02-17 07:09:00
● 2026-06-25 04:50:20

●A2606:4700:20::681a:972026-02-17 → 2026-06-25 · 3 obs

○ 2021-04-29 12:36:08
● 2026-02-17 07:09:00
● 2026-06-25 04:50:20

●A2606:4700:20::ac43:453d2026-02-17 → 2026-06-25 · 3 obs

○ 2021-04-29 12:36:08
● 2026-02-17 07:09:00
● 2026-06-25 04:50:20

○A75.2.70.752021-04-29 → 2021-04-29 · 4 obs

○ 2018-01-13 18:11:46
● 2021-04-29 12:36:08
○ 2026-02-17 07:09:00
○ 2026-06-25 04:50:20

○A99.83.190.1022021-04-29 → 2021-04-29 · 4 obs

○ 2018-01-13 18:11:46
● 2021-04-29 12:36:08
○ 2026-02-17 07:09:00
○ 2026-06-25 04:50:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
blockstack.org	art.ns.cloudflare.com, may.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.135

NS records: art.ns.cloudflare.com, may.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockstack.org (unsigned zone)

⏱️ Timing

Total: 619ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.69.61, 104.26.1.151...`
AAAA	3	`2606:4700:20::681a:97, 2606:4700:20::ac43:453d...`
NS	2	`art.ns.cloudflare.com, may.ns.cloudflare.com`
MX	7	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	7	`firebase=blockstack, globalsign-domain-verification=fjJGuQ9iI...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`art.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

chat.blockstack.org, gaia.blockstack.org and community.blockstack.org each fall under the parent domain blockstack.org.

IP Addresses

With 6 IP addresses in total, blockstack.org resolves to 104.26.0.151, 104.26.1.151, 172.67.69.61 and 3 other.

Among the host names that share IP numbers with blockstack.org are sugat.com, allaboutwine.co.uk, everseas.com and two others.

Name Servers

DNS delegation for blockstack.org points to two name servers: art.ns.cloudflare.com and may.ns.cloudflare.com.

blockstack.org has the same name server delegation as a number of other domains, such as hiro.so, returntobasis.com, blockstack.com and two more.

blockstack.org partially shares its NS delegation with several other domains, including carluvianeth.com, indianpass.com, rajacademy.com and two others.

These name servers often co-occur with the name servers elsa.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

art.ns.cloudflare.com has IP addresses 108.162.193.102, 172.64.33.102 and 173.245.59.102, plus 3 other.

may.ns.cloudflare.com has IP addresses 108.162.192.135, 172.64.32.135 and 173.245.58.135, plus 3 other.

Mail Servers

The MX records for blockstack.org point to 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, mxa.mailgun.org and 4 other.

blockstack.org shares at least some of its mail servers with other domains — for example bethkrom.com, ns500698.ns500759.ns500735.ns500736.ns500736.ns500698.ns500735.ns500698.ns500708.ns500698.ns500698.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500765.ns500693.ns500734.ns500734.ns500699.ns500734.ns500699.ns500699.ns500588.ns500693.ns500683.ns500699.ns500693.ns500699.ns500693.ns500693.ns500602.dtrkdll.com and two more.

It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 5 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

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

aspmx.l.google.com has two IP addresses: 172.253.115.27 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

Hosts that resolve to one IP address:

mxa.mailgun.org directs to 34.36.182.139.

mxb.mailgun.org directs to 34.36.182.139.

Host names pointing to 2800:3f0:4003:c0f::1a IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 108.177.123.26 IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 34.36.182.139 IP addresses: mxa.mailgun.org and mxb.mailgun.org.