cystack.io - robtex.com

cystack.io

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:243🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:80da🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.67Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.218🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnero.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c1c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A2803:f800:50::6ca2:c31c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnero.ns.cloudflare.com
A2a06:98c1:50::ac40:231c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnero.ns.cloudflare.com
A108.162.195.28🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A162.159.44.28Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A172.64.35.28🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
NSryleigh.ns.cloudflare.com
A2606:4700:50::a29f:26c6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A2803:f800:50::6ca2:c2c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRryleigh.ns.cloudflare.com
A2a06:98c1:50::ac40:22c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRryleigh.ns.cloudflare.com
A108.162.194.198🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A162.159.38.198Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A172.64.34.198🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1b🇺🇸 Google2607:f8b0::/32
PTRdy-in-f27.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2a00:1450:4025:402::1b🇳🇱 Google2a00:1450:4025::/48
PTRrb-in-f27.1e100.net
A142.250.102.26🇺🇸 Google142.250.102.0/24
PTRrb-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:4025:c01::1b🇵🇱 Google2a00:1450:4025::/48
PTRrd-in-f27.1e100.net
A142.250.147.27🇺🇸 Google142.250.147.0/24
PTRrd-in-f27.1e100.net
TXTgoogle-site-verification=URyHzrj6NbljPkNbl9zsxI2Ub2P4okX2lrs-9_B6zz4
TXTv=spf1 include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.2.67, 172.67.128.218
IPv62606:4700:3032::6815:243, 2606:4700:3037::ac43:80da
SOAnero.ns.cloudflare.comdns@cloudflare.com serial=2399885172

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1774423183

Same first word

cystack.ps
cystack.net
cystack.org
cystack.io

DNS History

12 records (11 active, 1 former)

NSnero.ns.cloudflare.comryleigh.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.2.67172.67.128.2182606:4700:3032::6815:2432606:4700:3037::ac43:80da2606:4700:130:436c:6f75:6466:6c61:7265
●NSnero.ns.cloudflare.com2026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●NSryleigh.ns.cloudflare.com2026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●MXaspmx.l.google.com2026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●A104.21.2.672026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
●A172.67.128.2182026-02-15 → 2026-03-25 · 2 obs
● 2026-02-15 19:44:44
● 2026-03-25 07:31:32
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-27 → 2026-02-27 · 6 obs
○ 2026-02-26 20:12:24
● 2026-02-27 01:49:40
○ 2026-02-27 03:31:02
● 2026-02-27 08:25:34
○ 2026-02-27 17:16:12
○ 2026-03-25 07:31:32
●A2606:4700:3032::6815:2432026-02-15 → 2026-03-25 · 7 obs
● 2026-02-15 19:44:44
● 2026-02-26 20:12:24
○ 2026-02-27 01:49:40
● 2026-02-27 03:31:02
○ 2026-02-27 08:25:34
● 2026-02-27 17:16:12
● 2026-03-25 07:31:32
●A2606:4700:3037::ac43:80da2026-02-15 → 2026-03-25 · 7 obs
● 2026-02-15 19:44:44
● 2026-02-26 20:12:24
○ 2026-02-27 01:49:40
● 2026-02-27 03:31:02
○ 2026-02-27 08:25:34
● 2026-02-27 17:16:12
● 2026-03-25 07:31:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io-
cystack.ioryleigh.ns.cloudflare.com, nero.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.28

NS records: ryleigh.ns.cloudflare.com, nero.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cystack.io (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.128.218, 104.21.2.67
AAAA22606:4700:3037::ac43:80da, 2606:4700:3032::6815:243
NS2nero.ns.cloudflare.com, ryleigh.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=URyHzrj6NbljPkN, v=spf1 include:_spf.google.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nero.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

cystack.io resolves to four IP numbers: 2606:4700:3032::6815:243, 2606:4700:3037::ac43:80da, 104.21.2.67 and 172.67.128.218.

other host names for instance ucl-football.com, does-like.men, cinelink.eu, dvxperformance.be and earth-communications.com share IP numbers with cystack.io.

Name Servers

cystack.io is delegated to two name servers: nero.ns.cloudflare.com and ryleigh.ns.cloudflare.com.

cystack.io shares the same name server setup as other domains, for example microsft-login.org, vhpost.tv, digitalhealthwire.com, cystack.net and locker.io.

cystack.io at least partially shares name servers with other domains, for instance hellosem.cn, ciogare.ru, misgrounded.com, arabiit.com and urbanfluentgrove.shop.

These name servers are commonly used with keyla.ns.cloudflare.com, tony.ns.cloudflare.com and magdalena.ns.cloudflare.com.

Host names with six IP numbers:

nero.ns.cloudflare.com points to: 2606:4700:58::a29f:2c1c, 2803:f800:50::6ca2:c31c, 2a06:98c1:50::ac40:231c, 108.162.195.28, 162.159.44.28 and 172.64.35.28; ryleigh.ns.cloudflare.com points to: 2606:4700:50::a29f:26c6, 2803:f800:50::6ca2:c2c6, 2a06:98c1:50::ac40:22c6, 108.162.194.198, 162.159.38.198 and 172.64.34.198.

Mail Servers

cystack.io is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cystack.io shares mail servers with other domains at least partially, including ns500698.ns500758.ns500698.ns500735.ns500735.ns500736.ns500698.ns500735.ns500698.ns500708.ns500576.ns500686.ns500576.ns500619.ns500619.trackreceptor.com, ns500734.ns500734.ns500693.ns500693.ns500699.ns500699.ns500588.ns500699.ns500699.ns500699.ns500693.ns500683.ns500612.ns500578.ns500110.dtrkdll.com, ns500758.ns500759.ns500758.ns500758.ns500758.ns500735.ns500698.ns500735.ns500736.ns500708.ns500708.ns500576.ns500686.ns500576.trackreceptor.com, ns500698.ns500758.ns500759.ns500736.ns500698.ns500698.ns500735.ns500698.ns500736.ns500735.ns500736.ns500576.ns500698.ns500708.ns500576.ns500652.ns500576.trackreceptor.com and ns500671.ns500671.ns500671.ns500754.ns500731.ns500704.ns500705.ns500704.ns500671.ns500649.ns500678.ns500671.lusty(0x736c7574)z.com.

these mail servers are often used with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Hosts with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c03::1b and 74.125.137.26.

alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27.

alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26.

alt4.aspmx.l.google.com points to 2a00:1450:4025:c01::1b and 142.250.147.27.