12challeng.es - robtex.com

12challeng.es

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9a8f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:48c5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.197Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.143🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgerald.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3ba8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A2803:f800:50::6ca2:c1a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgerald.ns.cloudflare.com
A2a06:98c1:50::ac40:21a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgerald.ns.cloudflare.com
A108.162.193.168🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A172.64.33.168🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A173.245.59.168🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
NSsreeni.ns.cloudflare.com
A2606:4700:50::a29f:26b2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsreeni.ns.cloudflare.com
A2803:f800:50::6ca2:c2b2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsreeni.ns.cloudflare.com
A2a06:98c1:50::ac40:22b2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsreeni.ns.cloudflare.com
A108.162.194.178🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsreeni.ns.cloudflare.com
A162.159.38.178Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsreeni.ns.cloudflare.com
A172.64.34.178🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsreeni.ns.cloudflare.com
TXTgoogle-site-verification=DxDP7dVtQ0Mx0AOhaJf7bA2JQ-TToF4tQ4x55MBfOCA
TXTgoogle-site-verification=czvDrbeJzouCs-5znMFhO4UgrXFOUcmyWeMJoHeS-dw
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.197, 172.67.154.143
IPv6 hints2606:4700:3031::ac43:9a8f, 2606:4700:3035::6815:48c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com
SOAgerald.ns.cloudflare.comdns@cloudflare.com serial=2406720844

es

DNSSEC🔒 Signed (DS record present)
NSns1.nic.es ⭐
NSa.nic.es
NSc.nic.es
NSg.nic.es
NSh.nic.es
SOAns1.nic.eshostmaster@nic.es 2026-07-05 #3
⚠️ On DNS blocklist: tif

Same first word

12challeng.es

DNS History

7 records (6 active, 1 former)

NSgerald.ns.cloudflare.comsreeni.ns.cloudflare.comA104.21.72.197172.67.154.1432606:4700:3031::ac43:9a8f2606:4700:3035::6815:48c52606:4700:3032::ac43:9a8f
●NSgerald.ns.cloudflare.com2026-03-18 → 2026-07-05 · 2 obs
● 2026-03-18 06:06:02
● 2026-07-05 10:37:18
●NSsreeni.ns.cloudflare.com2026-03-18 → 2026-07-05 · 2 obs
● 2026-03-18 06:06:02
● 2026-07-05 10:37:18
●A104.21.72.1972026-03-18 → 2026-07-05 · 5 obs
● 2026-03-18 06:06:02
● 2026-06-09 14:51:30
○ 2026-06-12 08:48:54
● 2026-07-05 10:37:16
● 2026-07-05 10:37:18
●A172.67.154.1432026-03-18 → 2026-07-05 · 5 obs
● 2026-03-18 06:06:02
● 2026-06-09 14:51:30
○ 2026-06-12 08:48:54
● 2026-07-05 10:37:16
● 2026-07-05 10:37:18
●A2606:4700:3031::ac43:9a8f2026-07-05 → 2026-07-05 · 3 obs
○ 2026-06-12 08:48:54
● 2026-07-05 10:37:16
● 2026-07-05 10:37:18
○A2606:4700:3032::ac43:9a8f2026-03-18 → 2026-06-09 · 4 obs
● 2026-03-18 06:06:02
● 2026-06-09 14:51:30
○ 2026-06-12 08:48:54
○ 2026-07-05 10:37:18
●A2606:4700:3035::6815:48c52026-03-18 → 2026-07-05 · 5 obs
● 2026-03-18 06:06:02
● 2026-06-09 14:51:30
○ 2026-06-12 08:48:54
● 2026-07-05 10:37:16
● 2026-07-05 10:37:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
esa.nic.es, c.nic.es, g.nic.es, h.nic.es-
12challeng.esgerald.ns.cloudflare.com, sreeni.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.168

NS records: gerald.ns.cloudflare.com, sreeni.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 12challeng.es (unsigned zone)

⏱️ Timing

Total: 440ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.72.197, 172.67.154.143
AAAA22606:4700:3035::6815:48c5, 2606:4700:3031::ac43:9a8f
NS2gerald.ns.cloudflare.com, sreeni.ns.cloudflare.com
TXT2google-site-verification=DxDP7dVtQ0Mx0AO, google-site-verification=czvDrbeJzouCs-5
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1gerald.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

12challeng.es directs to four IP numbers, which are 104.21.72.197, 172.67.154.143, 2606:4700:3031::ac43:9a8f and 2606:4700:3035::6815:48c5.

Two other host names, along with robertnoel.com, xfsysy.com and filteringmaterials.com.cn, also share IP numbers with 12challeng.es.

Name Servers

12challeng.es is delegated to two name servers: gerald.ns.cloudflare.com and sreeni.ns.cloudflare.com.

12challeng.es shares its NS records with other domains, for example khatulistiwaonline.com, mediamarketing.co, threadsviewer.net and two others.

There is at least partial name server overlap between 12challeng.es and other domains — betado.com, urlatlas.info, repolix.com and two more among them.

These name servers frequently co-occur with the name servers rajeev.ns.cloudflare.com and sharon.ns.cloudflare.com.

DNS names with 6 IP addresses:

gerald.ns.cloudflare.com resolves to 108.162.193.168, 172.64.33.168, 173.245.59.168 and 3 other IP addresses.

sreeni.ns.cloudflare.com resolves to 108.162.194.178, 162.159.38.178, 172.64.34.178 and 3 other IP addresses.