mail.blockstack.com - dns.ninja

`mail.blockstack.com`

CNAME	`ghs.googlehosted.com`
DNSSEC	⚠️ Not signed
A	2607:f8b0:4004:c1b::79^{🇺🇸 Google2607:f8b0:4004::/48}
		PTR	`wv-in-f121.1e100.net`
A	142.251.163.121^{🇺🇸 Google142.251.163.0/24}

`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` ⭐
NS	`may.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
MX	`mxa.mailgun.org`⁽¹⁰⁾
MX	`mxb.mailgun.org`⁽¹⁰⁾
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

Previously MX for

blockstack.com

Same first word

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mail.com.pk

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mail.nhs.uk

mail.hotmail

mail.gov.om

mail.canon

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mail.school

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mail.photos

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mail.or.id

mail.kim

mail.md

mail.gov.ls

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mail.ca

mail.je

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mail.technology

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mail.whitesnow.jp

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mail.gd

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mail.coupons

mail.js.org

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mail.partners

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DNS History

2 records (1 active, 1 former)

○A217.79.86.2062015-06-15 → 2015-11-06 · 4 obs

● 2015-06-15 23:51:34
● 2015-11-06 08:57:16
○ 2016-04-08 13:55:10
○ 2026-06-27 14:11:10

●CNAMEghs.googlehosted.com2026-06-27 → 2026-06-27 · 2 obs

● 2026-06-27 14:11:06
● 2026-06-27 14:11:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 661ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`ghs.googlehosted.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.blockstack.com resolves to the IP addresses 142.251.163.121 and 2607:f8b0:4004:c1b::79

Among the host names that share IP numbers with mail.blockstack.com are pub-5222413331888358.afd.ghs.google.com, topcourses.com.br, pub-5248655439205059.afd.ghs.google.com and two others.