1stack.io - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

1stack.io

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:2d1e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d037🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.45.30Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.55🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaustin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b46🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A2803:f800:50::6ca2:c146🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaustin.ns.cloudflare.com
A2a06:98c1:50::ac40:2146🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaustin.ns.cloudflare.com
A108.162.193.70🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A172.64.33.70🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A173.245.59.70🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
NSrobin.ns.cloudflare.com
A2606:4700:50::adf5:3ada🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
A2803:f800:50::6ca2:c0da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrobin.ns.cloudflare.com
A2a06:98c1:50::ac40:20da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrobin.ns.cloudflare.com
A108.162.192.218🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.32.218🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.58.218🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXsmtp.google.com ⭐
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A2607:f8b0:4004:c1f::1b🇺🇸 Google2607:f8b0:4004::/48
PTRpd-in-f27.1e100.net
A2607:f8b0:4004:c25::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadtq-in-f26.1e100.net
A172.253.62.26🇺🇸 Google172.253.62.0/24
PTRbc-in-f26.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
A172.253.115.26🇺🇸 Google172.253.115.0/24
PTRbg-in-f26.1e100.net
A192.178.155.26🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f26.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.45.30, 172.67.208.55
IPv6 hints2606:4700:3033::6815:2d1e, 2606:4700:3037::ac43:d037
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOAaustin.ns.cloudflare.comdns@cloudflare.com serial=2418242706

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1793562282

Same first word

1stack.cn
1stack.ai
1stack.com
1stack.health
1stack.cloud
1stack.io
1stack.co.kr
1stack.net
1stack.co
1stack.au
1stack.app
1stack.com.au
1stack.si

Similar names

task1c.ru
stack1.com.br
stack1.xyz
stack1.de
stack1.pages.dev
stack1.dev
stack1.ph
stack1.io
stack1.site
stack1.top
stack1.vercel.app

Previous names

1source.io
1sp.io
1space.io
1spark.io
1spay.io
1sphere.io
1spin.io
1spire.io
1spoc.io
1sportsbet.io
1spotpmp.io
1sqft.io
1sql.io
1squarefoot.io
1src.io
1srv.io
1st-line.io
1st.io
1st2.io

Next names

1staeon.io
1stai.io
1standard.io
1star.io
1statest.io
1status.io
1stay.io
1stbase.io
1stbgdeps.io
1stblue.io
1stbonsdep.io
1stbrain.io
1stcapital.io
1stchoice.io
1stclass.io
1stclassdns.io
1stclasslabs.io
1stcoach.io

DNS History

12 records (7 active, 5 former)

NSaustin.ns.cloudflare.comrobin.ns.cloudflare.comgrowthwell.earth.orderbox-dns.comgrowthwell.mars.orderbox-dns.comgrowthwell.mercury.orderbox-dns.comgrowthwell.venus.orderbox-dns.comMXsmtp.google.comA104.21.45.30172.67.208.552606:4700:3033::6815:2d1e2606:4700:3037::ac43:d037160.22.226.16
●NSaustin.ns.cloudflare.com2026-10-24 → 2026-11-01 · 3 obs
○ 2026-09-25 08:18:14
● 2026-10-24 15:43:44
● 2026-11-01 20:40:40
○NSgrowthwell.earth.orderbox-dns.com2026-09-25 → 2026-09-25 · 3 obs
● 2026-09-25 08:18:14
○ 2026-10-24 15:43:44
○ 2026-11-01 20:40:40
○NSgrowthwell.mars.orderbox-dns.com2026-09-25 → 2026-09-25 · 3 obs
● 2026-09-25 08:18:14
○ 2026-10-24 15:43:44
○ 2026-11-01 20:40:40
○NSgrowthwell.mercury.orderbox-dns.com2026-09-25 → 2026-09-25 · 3 obs
● 2026-09-25 08:18:14
○ 2026-10-24 15:43:44
○ 2026-11-01 20:40:40
○NSgrowthwell.venus.orderbox-dns.com2026-09-25 → 2026-09-25 · 3 obs
● 2026-09-25 08:18:14
○ 2026-10-24 15:43:44
○ 2026-11-01 20:40:40
●NSrobin.ns.cloudflare.com2026-10-24 → 2026-11-01 · 3 obs
○ 2026-09-25 08:18:14
● 2026-10-24 15:43:44
● 2026-11-01 20:40:40
●MXsmtp.google.com2026-09-25 → 2026-11-01 · 2 obs
● 2026-09-25 08:18:14
● 2026-11-01 20:40:40
●A104.21.45.302026-10-24 → 2026-11-01 · 3 obs
○ 2026-09-25 08:18:14
● 2026-10-24 15:43:44
● 2026-11-01 20:40:40
○A160.22.226.162026-09-25 → 2026-09-25 · 3 obs
● 2026-09-25 08:18:14
○ 2026-10-24 15:43:44
○ 2026-11-01 20:40:40
●A172.67.208.552026-10-24 → 2026-11-01 · 3 obs
○ 2026-09-25 08:18:14
● 2026-10-24 15:43:44
● 2026-11-01 20:40:40
●A2606:4700:3033::6815:2d1e2026-10-24 → 2026-11-01 · 3 obs
○ 2026-09-25 08:18:14
● 2026-10-24 15:43:44
● 2026-11-01 20:40:40
●A2606:4700:3037::ac43:d0372026-10-24 → 2026-11-01 · 3 obs
○ 2026-09-25 08:18:14
● 2026-10-24 15:43:44
● 2026-11-01 20:40:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa2.nic.io, b0.nic.io, c0.nic.io, a0.nic.io-
1stack.iorobin.ns.cloudflare.com, austin.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.70

NS records: robin.ns.cloudflare.com, austin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1stack.io (unsigned zone)

⏱️ Timing

Total: 1107ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.208.55, 104.21.45.30
AAAA22606:4700:3037::ac43:d037, 2606:4700:3033::6815:2d1e
NS2austin.ns.cloudflare.com, robin.ns.cloudflare.com
MX1smtp.google.com (pri: 0)
TXT1v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1austin.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

1stack.io has four IP addresses: 104.21.45.30, 172.67.208.55, 2606:4700:3033::6815:2d1e and 2606:4700:3037::ac43:d037.

accuflexbeadingwire.com, atteliaglobal.com, image-d.kiev.ua plus two other host names have IP numbers in common with 1stack.io.

Name Servers

The NS records for 1stack.io delegate to austin.ns.cloudflare.com and robin.ns.cloudflare.com.

The name server configuration of 1stack.io is shared with other domains, for instance growthwell.com, maquidsa-pt89.pages.dev, 4911a9.app and two others.

1stack.io partially shares its NS delegation with several other domains, including hanguldle.com, blingebliss8.pages.dev, hotvipsale.com and two others.

The name servers norah.ns.cloudflare.com, miki.ns.cloudflare.com, grace.ns.cloudflare.com and syeef.ns.cloudflare.com are often found in use alongside these name servers.

Hosts with 6 IP addresses each:

austin.ns.cloudflare.com maps to 108.162.193.70, 172.64.33.70, 173.245.59.70 and 3 additional IP addresses.

robin.ns.cloudflare.com maps to 108.162.192.218, 172.64.32.218, 173.245.58.218 and 3 additional IP addresses.

Mail Servers

1stack.io uses one mail server — smtp.google.com.

The mail server setup of 1stack.io matches that of other domains such as srknlabs3453.shop, dsyo-music.org, yildizteknikdryout.com.tr and two others.

At least some of the mail servers used by 1stack.io are shared with other domains: gegipartner.co, theomeganic.com, eightzerothree.co and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

smtp.google.com has 9 IP addresses: 172.253.62.26, 172.253.62.27, 172.253.115.26 plus 6 more.