concourse.guru - robtex.com

concourse.guru

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:4103🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8aad🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.65.3Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.173🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchristina.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26c1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A2803:f800:50::6ca2:c2c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchristina.ns.cloudflare.com
A2a06:98c1:50::ac40:22c1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchristina.ns.cloudflare.com
A108.162.194.193🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A162.159.38.193Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A172.64.34.193🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
NSdamiete.ns.cloudflare.com
A2606:4700:58::a29f:2c20🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamiete.ns.cloudflare.com
A2803:f800:50::6ca2:c320🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdamiete.ns.cloudflare.com
A2a06:98c1:50::ac40:2320🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdamiete.ns.cloudflare.com
A108.162.195.32🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamiete.ns.cloudflare.com
A162.159.44.32Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamiete.ns.cloudflare.com
A172.64.35.32🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamiete.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(63)
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(64)
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
IPv4104.21.65.3, 172.67.138.173
IPv62606:4700:3034::6815:4103, 2606:4700:3035::ac43:8aad
SOAchristina.ns.cloudflare.comdns@cloudflare.com serial=2397958841

guru

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.guru ⭐
NSv0n1.nic.guru
NSv0n2.nic.guru
NSv0n3.nic.guru
NSv2n0.nic.guru
NSv2n1.nic.guru
SOAv0n0.nic.guruhostmaster@donuts.email serial=1774439560

Same first word

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concourse.solutions
concourse.com.cn
concourse.farm
concourse.ru
concourse.info
concourse.be
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concourse.guru
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concourse.company
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concourse.com.sg
concourse.email
concourse.me
concourse.biz
concourse.global

Similar names

consource.org
nousoccer.com
econcours.gov.bf
sourcecon.com
econcours.bf
consource.se
consource.net
sourcecon.de
econcours.com
coursecon.com
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consource.ca
oncocures.com
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coconurse.com
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crousecon.com
unosoccer.com
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crousecon.org
consource.com
coconurse.jp
consource.de

DNS History

16 records (9 active, 7 former)

2017201820192020202120222023202420252026NSchristina.ns.cloudflare.comdamiete.ns.cloudflare.coma.dns.gandi.netb.dns.gandi.netc.dns.gandi.netMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netfb.mail.gandi.netspool.mail.gandi.netA104.21.65.3172.67.138.1732606:4700:3034::6815:41032606:4700:3035::ac43:8aad172.64.80.1217.70.184.38
○NSa.dns.gandi.net2016-12-10 → 2017-06-27 · 4 obs
● 2016-12-10 23:42:26
● 2017-06-27 06:41:14
○ 2026-03-16 13:26:34
○ 2026-03-25 11:57:50
○NSb.dns.gandi.net2016-12-10 → 2017-06-27 · 4 obs
● 2016-12-10 23:42:26
● 2017-06-27 06:41:14
○ 2026-03-16 13:26:34
○ 2026-03-25 11:57:50
○NSc.dns.gandi.net2016-12-10 → 2017-06-27 · 4 obs
● 2016-12-10 23:42:26
● 2017-06-27 06:41:14
○ 2026-03-16 13:26:34
○ 2026-03-25 11:57:50
●NSchristina.ns.cloudflare.com2026-03-16 → 2026-03-25 · 3 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
● 2026-03-25 11:57:50
●NSdamiete.ns.cloudflare.com2026-03-16 → 2026-03-25 · 3 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
● 2026-03-25 11:57:50
○MXfb.mail.gandi.net2016-12-10 → 2017-06-27 · 4 obs
● 2016-12-10 23:42:26
● 2017-06-27 06:41:14
○ 2026-03-16 13:26:34
○ 2026-03-25 11:57:50
●MXroute1.mx.cloudflare.net2026-03-16 → 2026-03-25 · 3 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
● 2026-03-25 11:57:50
●MXroute2.mx.cloudflare.net2026-03-16 → 2026-03-25 · 3 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
● 2026-03-25 11:57:50
●MXroute3.mx.cloudflare.net2026-03-16 → 2026-03-25 · 3 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
● 2026-03-25 11:57:50
○MXspool.mail.gandi.net2016-12-10 → 2017-06-27 · 4 obs
● 2016-12-10 23:42:26
● 2017-06-27 06:41:14
○ 2026-03-16 13:26:34
○ 2026-03-25 11:57:50
●A104.21.65.32026-03-20 → 2026-03-25 · 3 obs
○ 2026-03-16 13:26:34
● 2026-03-20 10:32:24
● 2026-03-25 11:57:50
○A172.64.80.12026-03-16 → 2026-03-16 · 4 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
○ 2026-03-20 10:32:24
○ 2026-03-25 11:57:50
●A172.67.138.1732026-03-20 → 2026-03-25 · 3 obs
○ 2026-03-16 13:26:34
● 2026-03-20 10:32:24
● 2026-03-25 11:57:50
○A217.70.184.382016-12-10 → 2017-06-27 · 4 obs
● 2016-12-10 23:42:26
● 2017-06-27 06:41:14
○ 2026-03-16 13:26:34
○ 2026-03-25 11:57:50
●A2606:4700:3034::6815:41032026-03-16 → 2026-03-25 · 3 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
● 2026-03-25 11:57:50
●A2606:4700:3035::ac43:8aad2026-03-16 → 2026-03-25 · 3 obs
○ 2017-06-27 06:41:14
● 2026-03-16 13:26:34
● 2026-03-25 11:57:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
guruv2n1.nic.guru, v0n3.nic.guru, v0n1.nic.guru, v0n0.nic.guru...12 records
concourse.guruchristina.ns.cloudflare.com, damiete.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.32

NS records: christina.ns.cloudflare.com, damiete.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concourse.guru (unsigned zone)

⏱️ Timing

Total: 437ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.173, 104.21.65.3
AAAA22606:4700:3035::ac43:8aad, 2606:4700:3034::6815:4103
NS2christina.ns.cloudflare.com, damiete.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 55), route2.mx.cloudflare.net (pri: 63)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1christina.ns.cloudflare.com dns.cloudfla

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.guru, v2n1.nic.guru, v0n3.nic.guru...)

Analysis

IP Addresses

concourse.guru resolves to four IP numbers: 2606:4700:3034::6815:4103, 2606:4700:3035::ac43:8aad, 104.21.65.3 and 172.67.138.173.

Other host names such as pionet.org, hldgtjt.com, shinatorgs.ru, thebrennanhouse.org and ne-top.com share IPs with concourse.guru.

Name Servers

concourse.guru is delegated to two name servers: christina.ns.cloudflare.com and damiete.ns.cloudflare.com.

concourse.guru shares the same name server setup as giftselection.com, ars.ua, yellowsubmarine.org.il, kidbucketlist.com and printkick.com.

concourse.guru at least partially shares name servers with other domains, for instance irk-cpp.ru, avsubthai.bz, easydollarsnow.com, fairspin-portugal.pt and gadget.app.

These name servers are commonly used with aaron.ns.cloudflare.com and nolan.ns.cloudflare.com.

Host names with six IP numbers:

christina.ns.cloudflare.com points to 2606:4700:50::a29f:26c1, 2803:f800:50::6ca2:c2c1, 2a06:98c1:50::ac40:22c1, 108.162.194.193, 162.159.38.193 and 172.64.34.193.

damiete.ns.cloudflare.com points to 2606:4700:58::a29f:2c20, 2803:f800:50::6ca2:c320, 2a06:98c1:50::ac40:2320, 108.162.195.32, 162.159.44.32 and 172.64.35.32.

Mail Servers

Three mail servers handle concourse.guru: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

concourse.guru shares at least partially some mail servers with other domains, including cloud-ready.com, sscmweb.org, coupimtrx.com, uutime.org and indiedomainz.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 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 points to: 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 points to: 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.