challenge.rs - robtex.com

challenge.rs

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8516🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:dcb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.203Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.22🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSines.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aa4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRines.ns.cloudflare.com
A2803:f800:50::6ca2:c0a4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRines.ns.cloudflare.com
A2a06:98c1:50::ac40:20a4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRines.ns.cloudflare.com
A108.162.192.164🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRines.ns.cloudflare.com
A172.64.32.164🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRines.ns.cloudflare.com
A173.245.58.164🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRines.ns.cloudflare.com
NSray.ns.cloudflare.com
A2606:4700:58::adf5:3b8a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
A2803:f800:50::6ca2:c18a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRray.ns.cloudflare.com
A2a06:98c1:50::ac40:218a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRray.ns.cloudflare.com
A108.162.193.138🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
A172.64.33.138🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
A173.245.59.138🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.13.203, 172.67.133.22
IPv6 hints2606:4700:3032::ac43:8516, 2606:4700:3034::6815:dcb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAines.ns.cloudflare.comdns@cloudflare.com serial=2405964264

rs

DNSSEC🔒 Signed (DS record present)
NSa.nic.rs ⭐
NSb.nic.rs
NSc.nic.rs
NSf.nic.rs
NSh.nic.rs
NSl.nic.rs
TXTrs zone update: 2026-06-04 18:30:04 +02:00 (EPOCH 1780590604)
SOAa.nic.rshostmaster@nic.rs 2026-06-04 #40

Same first word

challenge.se
challenge.lu
challenge.sa.com
challenge.tn
challenge.gr.jp
challenge.org.il
challenge.ma
challenge.land
challenge.org
challenge.asia
challenge.pt
challenge.com.ua
challenge.cn
challenge.mx
challenge.de
challenge.ca
challenge.at
challenge.center
challenge.place
challenge.cards
challenge.org.uk
challenge.pro
challenge.co.il
challenge.com
challenge.fr
challenge.ne.jp
challenge.lt
challenge.co.jp
challenge.it
challenge.ru
challenge.cz
challenge.fi
challenge.ie
challenge.blue
challenge.gov
challenge.org.ru
challenge.zone
challenge.team
challenge.to
challenge.rs
challenge.org.ua
challenge.co.at
challenge.me
challenge.nl
challenge.coach
challenge.ro
challenge.com.ph
challenge.ch
challenge.dyndns.biz
challenge.agency
challenge.be
challenge.com.tw
challenge.kz
challenge.swiss
challenge.live
challenge.nu
challenge.hu
challenge.net.au
challenge.mobi
challenge.gr
challenge.com.cn
challenge.eu
challenge.net
challenge.ph
challenge.ninja
challenge.info
challenge.edu.mk
challenge.es
challenge.biz
challenge.co
challenge.city
challenge.gg
challenge.si
challenge.jp
challenge.aero
challenge.media
challenge.ae

Similar names

ellechang.com
chenlegal.com
changlele.com
ellacheng.com

DNS History

20 records (6 active, 14 former)

20192020202120222023202420252026NSines.ns.cloudflare.comray.ns.cloudflare.comns1.instradns.comns2.instradns.comns3.instradns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.challenge.rsA104.21.13.203172.67.133.222606:4700:3032::ac43:85162606:4700:3034::6815:dcb181.224.130.187188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSines.ns.cloudflare.com2026-05-23 → 2026-06-04 · 3 obs
○ 2018-05-10 02:34:32
● 2026-05-23 08:36:34
● 2026-06-04 17:23:58
○NSns1.instradns.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○NSns2.instradns.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○NSns3.instradns.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
●NSray.ns.cloudflare.com2026-05-23 → 2026-06-04 · 3 obs
○ 2018-05-10 02:34:32
● 2026-05-23 08:36:34
● 2026-06-04 17:23:58
○MXalt1.aspmx.l.google.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○MXalt2.aspmx.l.google.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○MXalt3.aspmx.l.google.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○MXalt4.aspmx.l.google.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○MXaspmx.l.google.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○MXmail.challenge.rs2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
●A104.21.13.2032026-05-23 → 2026-06-04 · 3 obs
○ 2026-05-23 08:36:34
● 2026-05-23 09:10:42
● 2026-06-04 17:23:58
●A172.67.133.222026-05-23 → 2026-06-04 · 3 obs
○ 2026-05-23 08:36:34
● 2026-05-23 09:10:42
● 2026-06-04 17:23:58
○A181.224.130.1872018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 02:34:32
○ 2026-05-23 08:36:34
○ 2026-06-04 17:23:58
○A188.114.96.02026-05-23 → 2026-05-23 · 4 obs
○ 2018-05-10 02:34:32
● 2026-05-23 08:36:34
○ 2026-05-23 09:10:42
○ 2026-06-04 17:23:58
○A188.114.97.02026-05-23 → 2026-05-23 · 4 obs
○ 2018-05-10 02:34:32
● 2026-05-23 08:36:34
○ 2026-05-23 09:10:42
○ 2026-06-04 17:23:58
●A2606:4700:3032::ac43:85162026-05-23 → 2026-06-04 · 3 obs
○ 2026-05-23 08:36:34
● 2026-05-23 09:10:42
● 2026-06-04 17:23:58
●A2606:4700:3034::6815:dcb2026-05-23 → 2026-06-04 · 3 obs
○ 2026-05-23 08:36:34
● 2026-05-23 09:10:42
● 2026-06-04 17:23:58
○A2a06:98c1:3120::2026-05-23 → 2026-05-23 · 4 obs
○ 2018-05-10 02:34:32
● 2026-05-23 08:36:34
○ 2026-05-23 09:10:42
○ 2026-06-04 17:23:58
○A2a06:98c1:3121::2026-05-23 → 2026-05-23 · 4 obs
○ 2018-05-10 02:34:32
● 2026-05-23 08:36:34
○ 2026-05-23 09:10:42
○ 2026-06-04 17:23:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rsa.nic.rs, b.nic.rs, c.nic.rs, f.nic.rs...12 records
challenge.rsines.ns.cloudflare.com, ray.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.164

NS records: ines.ns.cloudflare.com, ray.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challenge.rs (unsigned zone)

⏱️ Timing

Total: 802ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.22, 104.21.13.203
AAAA22606:4700:3034::6815:dcb, 2606:4700:3032::ac43:8516
NS2ines.ns.cloudflare.com, ray.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ines.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.rs, b.nic.rs, c.nic.rs...)

Analysis

IP Addresses

challenge.rs points to 4 IP addresses — 104.21.13.203, 172.67.133.22, 2606:4700:3032::ac43:8516 and 2606:4700:3034::6815:dcb.

nuef.com, gruppocaravaggio.it, fmi-sign.live plus two other host names have IP numbers in common with challenge.rs.

Name Servers

DNS delegation for challenge.rs points to two name servers: ines.ns.cloudflare.com and ray.ns.cloudflare.com.

The name server configuration of challenge.rs is shared with other domains, for instance swapnesh.com, jumpstory.com, southwestorlandobulletin.com and two others.

There is at least partial name server overlap between challenge.rs and other domains — (0x706f726e)sstar.com, amatiengineering.ch, votervoice.net and two more among them.

These name servers tend to appear in combination with the name servers marjory.ns.cloudflare.com, aarav.ns.cloudflare.com, damon.ns.cloudflare.com and armando.ns.cloudflare.com.

Hosts with 6 IP addresses each:

ines.ns.cloudflare.com maps to six IP addresses: 108.162.192.164, 172.64.32.164, 173.245.58.164 and three others.

ray.ns.cloudflare.com maps to six IP addresses: 108.162.193.138, 172.64.33.138, 173.245.59.138 and three others.