concursosc.com - robtex.com

concursosc.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:c0a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:83da🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.10Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.218🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSian.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b76🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A2803:f800:50::6ca2:c176🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRian.ns.cloudflare.com
A2a06:98c1:50::ac40:2176🇺🇸 Cloudflare2a06:98c1:50::/45
PTRian.ns.cloudflare.com
A108.162.193.118🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A172.64.33.118🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A173.245.59.118🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
NSstevie.ns.cloudflare.com
A2606:4700:50::a29f:266a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A2803:f800:50::6ca2:c26a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRstevie.ns.cloudflare.com
A2a06:98c1:50::ac40:226a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRstevie.ns.cloudflare.com
A108.162.194.106🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A162.159.38.106Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A172.64.34.106🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.12.10, 172.67.131.218
IPv6 hints2606:4700:3032::6815:c0a, 2606:4700:3032::ac43:83da
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOAian.ns.cloudflare.comdns@cloudflare.com serial=2407315932

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784354692

Same first word

concursosc.com

DNS History

7 records (6 active, 1 former)

NSian.ns.cloudflare.comstevie.ns.cloudflare.comA104.21.12.10172.67.131.2182606:4700:3032::6815:c0a2606:4700:3032::ac43:83da2606:4700:3033::ac43:83da
●NSian.ns.cloudflare.com2026-02-17 → 2026-07-18 · 2 obs
● 2026-02-17 11:26:08
● 2026-07-18 06:29:26
●NSstevie.ns.cloudflare.com2026-02-17 → 2026-07-18 · 2 obs
● 2026-02-17 11:26:08
● 2026-07-18 06:29:26
●A104.21.12.102026-02-17 → 2026-07-18 · 2 obs
● 2026-02-17 11:26:08
● 2026-07-18 06:29:26
●A172.67.131.2182026-02-17 → 2026-07-18 · 2 obs
● 2026-02-17 11:26:08
● 2026-07-18 06:29:26
●A2606:4700:3032::6815:c0a2026-02-17 → 2026-07-18 · 2 obs
● 2026-02-17 11:26:08
● 2026-07-18 06:29:26
●A2606:4700:3032::ac43:83da2026-07-18 → 2026-07-18 · 2 obs
○ 2026-06-01 07:31:38
● 2026-07-18 06:29:26
○A2606:4700:3033::ac43:83da2026-02-17 → 2026-06-01 · 3 obs
● 2026-02-17 11:26:08
● 2026-06-01 07:31:38
○ 2026-07-18 06:29:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
concursosc.comian.ns.cloudflare.com, stevie.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.118

NS records: ian.ns.cloudflare.com, stevie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concursosc.com (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.131.218, 104.21.12.10
AAAA22606:4700:3032::6815:c0a, 2606:4700:3032::ac43:83da
NS2ian.ns.cloudflare.com, stevie.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ian.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ian.ns.cloudflare.com, ian.ns.cloudflare.com, ian.ns.cloudflare.com...)

Analysis

IP Addresses

concursosc.com resolves to four IP addresses: 104.21.12.10, 172.67.131.218, 2606:4700:3032::6815:c0a and 2606:4700:3032::ac43:83da.

Among the host names that share IP numbers with concursosc.com are usgbc-centraltexas.org, picantesports.world, letusdothedriving.co.uk and two others.

Name Servers

DNS delegation for concursosc.com points to two name servers: ian.ns.cloudflare.com and stevie.ns.cloudflare.com.

concursosc.com has the same name server delegation as a number of other domains, such as 3connai.com, oblean.com, sportsfitnesss.com and two more.

concursosc.com partially shares its NS delegation with several other domains, including mp3mark.com, boptersmedia.com, feed-back.org and two others.

The name servers lily.ns.cloudflare.com, kaiser.ns.cloudflare.com, meera.ns.cloudflare.com and adele.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

ian.ns.cloudflare.com has IP addresses 108.162.193.118, 172.64.33.118 and 173.245.59.118, plus 3 other.

stevie.ns.cloudflare.com has IP addresses 108.162.194.106, 162.159.38.106 and 172.64.34.106, plus 3 other.