rubicon-contest.com - robtex.com

rubicon-contest.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:89c1🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:2e65🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.101Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.193🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSed.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A2803:f800:50::6ca2:c16f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRed.ns.cloudflare.com
A2a06:98c1:50::ac40:216f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRed.ns.cloudflare.com
A108.162.193.111🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A172.64.33.111🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A173.245.59.111🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
NSmia.ns.cloudflare.com
A2606:4700:50::adf5:3ac8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmia.ns.cloudflare.com
A2803:f800:50::6ca2:c0c8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmia.ns.cloudflare.com
A2a06:98c1:50::ac40:20c8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmia.ns.cloudflare.com
A108.162.192.200🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmia.ns.cloudflare.com
A172.64.32.200🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmia.ns.cloudflare.com
A173.245.58.200🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmia.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(46)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(54)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.46.101, 172.67.137.193
IPv6 hints2606:4700:3032::ac43:89c1, 2606:4700:3035::6815:2e65
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOAed.ns.cloudflare.comdns@cloudflare.com serial=2398986524

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=1778386211
⚠️ On DNS blocklist: tif
WOT: SAFE (61/100)

Same first word

rubicon-contest.com

Similar names

eb-construction.fr

DNS History

14 records (9 active, 5 former)

20162017201820192020202120222023202420252026NSed.ns.cloudflare.commia.ns.cloudflare.comns1.hans.hosteurope.dens2.hans.hosteurope.deMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netmx0.rubicon-contest.comA104.21.46.101172.67.137.1932606:4700:3032::ac43:89c12606:4700:3035::6815:2e652a01:488:42:1000:50ed:8493:bc:1fbe80.237.132.147
●NSed.ns.cloudflare.com2026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
●NSmia.ns.cloudflare.com2026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
○NSns1.hans.hosteurope.de2015-05-24 → 2020-03-16 · 4 obs
● 2015-05-24 03:53:10
● 2020-03-16 13:01:06
○ 2026-04-09 02:32:18
○ 2026-05-10 04:40:06
○NSns2.hans.hosteurope.de2015-05-24 → 2020-03-16 · 4 obs
● 2015-05-24 03:53:10
● 2020-03-16 13:01:06
○ 2026-04-09 02:32:18
○ 2026-05-10 04:40:06
○MXmx0.rubicon-contest.com2015-05-24 → 2020-03-16 · 4 obs
● 2015-05-24 03:53:10
● 2020-03-16 13:01:06
○ 2026-04-09 02:32:18
○ 2026-05-10 04:40:06
●MXroute1.mx.cloudflare.net2026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
●MXroute2.mx.cloudflare.net2026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
●MXroute3.mx.cloudflare.net2026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
●A104.21.46.1012026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
●A172.67.137.1932026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
●A2606:4700:3032::ac43:89c12026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
●A2606:4700:3035::6815:2e652026-04-09 → 2026-05-10 · 3 obs
○ 2020-03-16 13:01:06
● 2026-04-09 02:32:18
● 2026-05-10 04:40:06
○A2a01:488:42:1000:50ed:8493:bc:1fbe2015-05-24 → 2020-03-16 · 4 obs
● 2015-05-24 03:53:10
● 2020-03-16 13:01:06
○ 2026-04-09 02:32:18
○ 2026-05-10 04:40:06
○A80.237.132.1472015-05-24 → 2020-03-16 · 4 obs
● 2015-05-24 03:53:10
● 2020-03-16 13:01:06
○ 2026-04-09 02:32:18
○ 2026-05-10 04:40:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
rubicon-contest.comed.ns.cloudflare.com, mia.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.200

NS records: ed.ns.cloudflare.com, mia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rubicon-contest.com (unsigned zone)

⏱️ Timing

Total: 138ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.46.101, 172.67.137.193
AAAA22606:4700:3035::6815:2e65, 2606:4700:3032::ac43:89c1
NS2ed.ns.cloudflare.com, mia.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 24), route2.mx.cloudflare.net (pri: 46)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ed.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rubicon-contest.com points to four IP numbers: 2606:4700:3032::ac43:89c1, 2606:4700:3035::6815:2e65, 104.21.46.101 and 172.67.137.193.

Other host names, for instance www.dietaland.com, www.labidee.com, dyvps.com, agora-francophone.org and www.251118.com share IP numbers with rubicon-contest.com.

Name Servers

rubicon-contest.com's delegation is to two name servers ed.ns.cloudflare.com and mia.ns.cloudflare.com.

rubicon-contest.com shares the same name server configuration as other domains, such as duvalsoft.com, permapsi.com, bergen.cc.nj.us, psti.tw and vendeinteligente.com.

rubicon-contest.com at least partially shares its name servers with other domains, for instance eastart.net, polyurethane-ceiling-medallions.com, hondrocream.shop, charlestongreen.com and mypuma.co.uk.

These name servers are commonly used alongside ricardo.ns.cloudflare.com and itzel.ns.cloudflare.com.

Host names with six IP numbers:

ed.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6f, 2803:f800:50::6ca2:c16f, 2a06:98c1:50::ac40:216f, 108.162.193.111, 172.64.33.111 and 173.245.59.111.

mia.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac8, 2803:f800:50::6ca2:c0c8, 2a06:98c1:50::ac40:20c8, 108.162.192.200, 172.64.32.200 and 173.245.58.200.

Mail Servers

rubicon-contest.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

rubicon-contest.com shares some mail servers with other domains, including eviltim.com, agapehomecareinc.com, hkdap.com, antitamper.co and mapin.net.

Host names with six IP numbers:

route1.mx.cloudflare.net has IPs 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net has IPs 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net has IPs 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.