blockstack.com - dns.ninja

`blockstack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:60^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:160^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4792^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.0.96^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.1.96^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.71.146^{🇺🇸 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:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 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::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	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
MX	`mxa.mailgun.org`⁽¹⁰⁾
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org`⁽¹⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`MS=ms28739642`
TXT	`docusign=eb6c92e7-0f39-4655-a87b-66ec2b94d6f6`
TXT	`firebase=blockstacktoken`
TXT	`globalsign-domain-verification=O-kD9ZSY4KNnz3WmCzFkOB42PQHXJ5626Dzev8nWHF`
TXT	`google-site-verification=FRv2dOcv5pL1fIwzLlD4aBowruihfbjWaPSk01tG3IE`
TXT	`google-site-verification=PN384Ivy7nHyJN6JxxM5FGkYE-_wA0dvnsisB4j0NjI`
TXT	`google-site-verification=_QSE058SaK1YV1wfIBVs6Y8eW76p3_X5wutIHPzCyK8`
TXT	`mailigen-site-verification=c68be3c58ac99283040e2a68f30ad361`
TXT	`slack-domain-verification=J6MYqxN8mVHX4hn5K5WBvFEyITIiPEBTmZ0Q34Tp`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.0.96, 104.26.1.96, 172.67.71.146
		IPv6 hints	2606:4700:20::681a:60, 2606:4700:20::681a:160, 2606:4700:20::ac43:4792
SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2406114429

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782556590

Subdomains

www.blockstack.com

Same first word

blockstack.com

blockstack.one

blockstack.myshopify.com

blockstack.org

blockstack.tv

Similar names

blackstock.info

blackstock.live

DNS History

30 records (15 active, 15 former)

●NSart.ns.cloudflare.com2016-07-10 → 2026-06-27 · 3 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2026-06-27 10:49:42

●NSmay.ns.cloudflare.com2016-07-10 → 2026-06-27 · 3 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2026-06-27 10:49:42

○NSns1.bestbuyhdtvstore.com2015-08-20 → 2015-12-08 · 4 obs

● 2015-08-20 00:09:28
● 2015-12-08 20:21:04
○ 2016-03-17 06:13:18
○ 2026-06-27 10:49:42

○NSns1.bodis.com2016-03-17 → 2016-03-17 · 4 obs

○ 2015-12-08 20:21:04
● 2016-03-17 06:13:18
○ 2016-07-10 19:57:38
○ 2026-06-27 10:49:42

○NSns2.bestbuyhdtvstore.com2015-08-20 → 2015-12-08 · 4 obs

● 2015-08-20 00:09:28
● 2015-12-08 20:21:04
○ 2016-03-17 06:13:18
○ 2026-06-27 10:49:42

○NSns2.bodis.com2016-03-17 → 2016-03-17 · 4 obs

○ 2015-12-08 20:21:04
● 2016-03-17 06:13:18
○ 2016-07-10 19:57:38
○ 2026-06-27 10:49:42

●MXalt1.aspmx.l.google.com2016-07-10 → 2026-06-27 · 3 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2026-06-27 10:49:42

●MXalt2.aspmx.l.google.com2016-07-10 → 2026-06-27 · 3 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2026-06-27 10:49:42

●MXalt3.aspmx.l.google.com2016-07-10 → 2026-06-27 · 3 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2026-06-27 10:49:42

●MXalt4.aspmx.l.google.com2016-07-10 → 2026-06-27 · 3 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2026-06-27 10:49:42

●MXaspmx.l.google.com2016-07-10 → 2026-06-27 · 3 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2026-06-27 10:49:42

○MXmail.blockstack.com2015-08-20 → 2015-12-08 · 4 obs

● 2015-08-20 00:09:28
● 2015-12-08 20:21:04
○ 2016-03-17 06:13:18
○ 2026-06-27 10:49:42

●MXmxa.mailgun.org2017-11-07 → 2026-06-27 · 3 obs

○ 2016-07-10 19:57:38
● 2017-11-07 06:22:20
● 2026-06-27 10:49:42

●MXmxb.mailgun.org2017-11-07 → 2026-06-27 · 3 obs

○ 2016-07-10 19:57:38
● 2017-11-07 06:22:20
● 2026-06-27 10:49:42

○A104.25.176.172017-11-07 → 2017-11-07 · 4 obs

○ 2017-06-13 18:56:44
● 2017-11-07 06:22:20
○ 2026-02-16 21:21:34
○ 2026-06-27 10:49:42

○A104.25.177.172017-11-07 → 2017-11-07 · 4 obs

○ 2017-06-13 18:56:44
● 2017-11-07 06:22:20
○ 2026-02-16 21:21:34
○ 2026-06-27 10:49:42

●A104.26.0.962026-02-16 → 2026-06-27 · 3 obs

○ 2017-11-07 06:22:20
● 2026-02-16 21:21:34
● 2026-06-27 10:49:42

●A104.26.1.962026-02-16 → 2026-06-27 · 3 obs

○ 2017-11-07 06:22:20
● 2026-02-16 21:21:34
● 2026-06-27 10:49:42

○A151.101.1.1952017-06-13 → 2017-06-13 · 4 obs

○ 2016-07-27 13:05:14
● 2017-06-13 18:56:44
○ 2017-11-07 06:22:20
○ 2026-06-27 10:49:42

○A151.101.65.1952017-06-13 → 2017-06-13 · 4 obs

○ 2016-07-27 13:05:14
● 2017-06-13 18:56:44
○ 2017-11-07 06:22:20
○ 2026-06-27 10:49:42

○A157.52.65.172016-07-10 → 2016-07-27 · 5 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2016-07-27 13:05:14
○ 2017-06-13 18:56:44
○ 2026-06-27 10:49:42

○A157.52.97.172016-07-10 → 2016-07-27 · 5 obs

○ 2016-03-17 06:13:18
● 2016-07-10 19:57:38
● 2016-07-27 13:05:14
○ 2017-06-13 18:56:44
○ 2026-06-27 10:49:42

●A172.67.71.1462026-02-16 → 2026-06-27 · 3 obs

○ 2017-11-07 06:22:20
● 2026-02-16 21:21:34
● 2026-06-27 10:49:42

○A199.59.243.1202016-03-17 → 2016-03-17 · 4 obs

○ 2015-12-08 20:21:04
● 2016-03-17 06:13:18
○ 2016-07-10 19:57:38
○ 2026-06-27 10:49:42

○A217.79.86.2062015-08-20 → 2015-12-08 · 4 obs

● 2015-08-20 00:09:28
● 2015-12-08 20:21:04
○ 2016-03-17 06:13:18
○ 2026-06-27 10:49:42

○A2400:cb00:2048:1::6819:b0112017-11-07 → 2017-11-07 · 4 obs

○ 2017-06-13 18:56:44
● 2017-11-07 06:22:20
○ 2026-02-16 21:21:34
○ 2026-06-27 10:49:42

○A2400:cb00:2048:1::6819:b1112017-11-07 → 2017-11-07 · 4 obs

○ 2017-06-13 18:56:44
● 2017-11-07 06:22:20
○ 2026-02-16 21:21:34
○ 2026-06-27 10:49:42

●A2606:4700:20::681a:1602026-02-16 → 2026-06-27 · 3 obs

○ 2017-11-07 06:22:20
● 2026-02-16 21:21:34
● 2026-06-27 10:49:42

●A2606:4700:20::681a:602026-02-16 → 2026-06-27 · 3 obs

○ 2017-11-07 06:22:20
● 2026-02-16 21:21:34
● 2026-06-27 10:49:42

●A2606:4700:20::ac43:47922026-02-16 → 2026-06-27 · 3 obs

○ 2017-11-07 06:22:20
● 2026-02-16 21:21:34
● 2026-06-27 10:49:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
blockstack.com	may.ns.cloudflare.com, art.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.135

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockstack.com (unsigned zone)

⏱️ Timing

Total: 199ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.0.96, 104.26.1.96...`
AAAA	3	`2606:4700:20::681a:160, 2606:4700:20::681a:60...`
NS	2	`art.ns.cloudflare.com, may.ns.cloudflare.com`
MX	7	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	10	`MS=ms28739642, docusign=eb6c92e7-0f39-4655-a87b-66ec2b9...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`art.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (may.ns.cloudflare.com, may.ns.cloudflare.com, may.ns.cloudflare.com...)

Analysis

Hierarchy

The domain www.blockstack.com falls under the parent blockstack.com.

IP Addresses

blockstack.com resolves to 6 IP numbers: 104.26.0.96, 104.26.1.96, 172.67.71.146 and 3 other.

Additional host names — img1-cdnus-wc.wlresources.com, uniformix.de, www.impecta.fi and two others — share IP numbers with blockstack.com.

Name Servers

The NS records for blockstack.com delegate to art.ns.cloudflare.com and may.ns.cloudflare.com.

blockstack.com shares its name server setup with other domains, including doshfx.io, bestcars-rental.gr, klav.hu and two others.

At least some of blockstack.com's name servers are shared with other domains, for example partitionware.net, gymbookdo.com, palazzospizza.com and two more.

These name servers tend to be deployed in combination with the name servers elle.ns.cloudflare.com and kate.ns.cloudflare.com.

Host names with 6 IP numbers:

art.ns.cloudflare.com maps to 108.162.193.102, 172.64.33.102, 173.245.59.102 and 3 additional IP addresses.

may.ns.cloudflare.com maps to 108.162.192.135, 172.64.32.135, 173.245.58.135 and 3 additional IP addresses.

Mail Servers

blockstack.com uses 7 mail servers for delivery: mxa.mailgun.org, mxb.mailgun.org, aspmx.l.google.com and 4 other.

blockstack.com shares mail servers — at least in part — with other domains, including evo-vi.com, ns500759.ns500758.ns500759.ns500759.ns500758.ns500698.ns500698.ns500708.ns500698.ns500576.ns500652.ns500576.trackreceptor.com, martialartsproductsllc.com and two others.

These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

The A records for aspmx.l.google.com return 192.178.155.27 and 2607:f8b0:4004:c23::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1b.

Host names pointing to a single IP address:

mxa.mailgun.org resolves to the IP address 34.149.254.5.

mxb.mailgun.org resolves to the IP address 34.36.182.139.