csstutorial.io - dns.ninja

csstutorial.io

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2417🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b832🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.23Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.184.50🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdane.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b61🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdane.ns.cloudflare.com
A2803:f800:50::6ca2:c161🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdane.ns.cloudflare.com
A2a06:98c1:50::ac40:2161🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdane.ns.cloudflare.com
A108.162.193.97🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdane.ns.cloudflare.com
A172.64.33.97🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdane.ns.cloudflare.com
A173.245.59.97🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdane.ns.cloudflare.com
NSdell.ns.cloudflare.com
A2606:4700:50::adf5:3a5e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A2803:f800:50::6ca2:c05e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdell.ns.cloudflare.com
A2a06:98c1:50::ac40:205e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdell.ns.cloudflare.com
A108.162.192.94🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A172.64.32.94🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A173.245.58.94🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.23, 172.67.184.50
IPv6 hints2606:4700:3030::6815:2417, 2606:4700:3036::ac43:b832
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOAdane.ns.cloudflare.comdns@cloudflare.com serial=2409006003

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1785536426

Same first word

csstutorial.io
csstutorial.net
csstutorial.ru

Similar names

trailscouts.eu
trailscouts.com
sctutorials.com
scoutstrail.com
trailscouts.de
socialtrust.net
tutorialcss.com
trustsocial.com
coulartists.blogspot.com
sturtsocial.com

DNS History

11 records (6 active, 5 former)

2020202120222023202420252026NSdane.ns.cloudflare.comdell.ns.cloudflare.comns73.domaincontrol.comns74.domaincontrol.comA104.21.36.23172.67.184.502606:4700:3030::6815:24172606:4700:3036::ac43:b832160.153.133.1502606:4700:3035::6815:24172606:4700:3035::ac43:b832
●NSdane.ns.cloudflare.com2026-06-14 → 2026-07-31 · 3 obs
○ 2026-02-23 13:15:00
● 2026-06-14 14:17:14
● 2026-07-31 23:01:02
●NSdell.ns.cloudflare.com2026-06-14 → 2026-07-31 · 3 obs
○ 2026-02-23 13:15:00
● 2026-06-14 14:17:14
● 2026-07-31 23:01:02
○NSns73.domaincontrol.com2019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 18:12:32
○ 2026-02-23 13:15:00
○ 2026-07-31 23:01:02
○NSns74.domaincontrol.com2019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 18:12:32
○ 2026-02-23 13:15:00
○ 2026-07-31 23:01:02
●A104.21.36.232026-06-14 → 2026-07-31 · 3 obs
○ 2026-02-23 13:15:00
● 2026-06-14 14:17:14
● 2026-07-31 23:01:02
○A160.153.133.1502019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 18:12:32
○ 2026-02-23 13:15:00
○ 2026-07-31 23:01:02
●A172.67.184.502026-06-14 → 2026-07-31 · 3 obs
○ 2026-02-23 13:15:00
● 2026-06-14 14:17:14
● 2026-07-31 23:01:02
●A2606:4700:3030::6815:24172026-07-12 → 2026-07-31 · 3 obs
○ 2026-06-14 14:17:14
● 2026-07-12 19:55:04
● 2026-07-31 23:01:02
○A2606:4700:3035::6815:24172026-06-14 → 2026-06-14 · 4 obs
○ 2026-02-23 13:15:00
● 2026-06-14 14:17:14
○ 2026-07-12 19:55:04
○ 2026-07-31 23:01:02
○A2606:4700:3035::ac43:b8322026-06-14 → 2026-06-14 · 4 obs
○ 2026-02-23 13:15:00
● 2026-06-14 14:17:14
○ 2026-07-12 19:55:04
○ 2026-07-31 23:01:02
●A2606:4700:3036::ac43:b8322026-07-12 → 2026-07-31 · 3 obs
○ 2026-06-14 14:17:14
● 2026-07-12 19:55:04
● 2026-07-31 23:01:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa2.nic.io, a0.nic.io, c0.nic.io, b0.nic.io-
csstutorial.iodell.ns.cloudflare.com, dane.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.94

NS records: dell.ns.cloudflare.com, dane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csstutorial.io (unsigned zone)

⏱️ Timing

Total: 219ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.36.23, 172.67.184.50
AAAA22606:4700:3030::6815:2417, 2606:4700:3036::ac43:b832
NS2dane.ns.cloudflare.com, dell.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dane.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

csstutorial.io resolves to four IP addresses: 104.21.36.23, 172.67.184.50, 2606:4700:3030::6815:2417 and 2606:4700:3036::ac43:b832.

monzee.com, aaujp.cc, totaloffice.co.nz plus two other host names have IP numbers in common with csstutorial.io.

Name Servers

csstutorial.io has two authoritative name servers — dane.ns.cloudflare.com and dell.ns.cloudflare.com.

The name server configuration of csstutorial.io is shared with other domains, for instance mundomovil.cl, santiagoboxer.cl, bf3iw3.click and two others.

csstutorial.io partially shares its NS delegation with several other domains, including diagnosticsignal.com, tlechaim.org.il, peachy-games.co.uk and two others.

These name servers are regularly seen alongside peyton.ns.cloudflare.com and brynne.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

dane.ns.cloudflare.com points to 108.162.193.97, 172.64.33.97, 173.245.59.97 and 3 other IP addresses.

dell.ns.cloudflare.com points to 108.162.192.94, 172.64.32.94, 173.245.58.94 and 3 other IP addresses.