win678.courses - robtex.com

win678.courses

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8120🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:272🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.114Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.32🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarnold.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b45🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A2803:f800:50::6ca2:c145🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarnold.ns.cloudflare.com
A2a06:98c1:50::ac40:2145🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarnold.ns.cloudflare.com
A108.162.193.69🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A172.64.33.69🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A173.245.59.69🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
NSpearl.ns.cloudflare.com
A2606:4700:50::a29f:268c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
A2803:f800:50::6ca2:c28c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpearl.ns.cloudflare.com
A2a06:98c1:50::ac40:228c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpearl.ns.cloudflare.com
A108.162.194.140🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
A162.159.38.140Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
A172.64.34.140🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.2.114, 172.67.129.32
IPv6 hints2606:4700:3031::ac43:8120, 2606:4700:3035::6815:272
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com
SOAarnold.ns.cloudflare.comdns@cloudflare.com serial=2408271573

courses

DNSSEC🔒 Signed (DS record present)
NSa.nic.courses ⭐
NSb.nic.courses
NSc.nic.courses
NSx.nic.courses
NSy.nic.courses
NSz.nic.courses
SOAa.nic.coursesadmin@tldns.godaddy serial=1783082937
rank #995440 globally
rank #9 in the tld

Same first word

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Similar names

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win786.me

DNS History

10 records (6 active, 4 former)

NSarnold.ns.cloudflare.compearl.ns.cloudflare.comA104.21.2.114172.67.129.322606:4700:3031::ac43:81202606:4700:3035::6815:272188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSarnold.ns.cloudflare.com2026-06-29 → 2026-07-03 · 2 obs
● 2026-06-29 23:21:48
● 2026-07-03 13:33:06
●NSpearl.ns.cloudflare.com2026-06-29 → 2026-07-03 · 2 obs
● 2026-06-29 23:21:48
● 2026-07-03 13:33:06
●A104.21.2.1142026-07-03 → 2026-07-03 · 3 obs
○ 2026-06-29 23:21:48
● 2026-07-03 13:33:04
● 2026-07-03 13:33:06
●A172.67.129.322026-07-03 → 2026-07-03 · 3 obs
○ 2026-06-29 23:21:48
● 2026-07-03 13:33:04
● 2026-07-03 13:33:06
○A188.114.96.02026-06-29 → 2026-06-29 · 3 obs
● 2026-06-29 23:21:48
○ 2026-07-03 13:33:04
○ 2026-07-03 13:33:06
○A188.114.97.02026-06-29 → 2026-06-29 · 3 obs
● 2026-06-29 23:21:48
○ 2026-07-03 13:33:04
○ 2026-07-03 13:33:06
●A2606:4700:3031::ac43:81202026-07-03 → 2026-07-03 · 3 obs
○ 2026-06-29 23:21:48
● 2026-07-03 13:33:04
● 2026-07-03 13:33:06
●A2606:4700:3035::6815:2722026-07-03 → 2026-07-03 · 3 obs
○ 2026-06-29 23:21:48
● 2026-07-03 13:33:04
● 2026-07-03 13:33:06
○A2a06:98c1:3120::2026-06-29 → 2026-06-29 · 3 obs
● 2026-06-29 23:21:48
○ 2026-07-03 13:33:04
○ 2026-07-03 13:33:06
○A2a06:98c1:3121::2026-06-29 → 2026-06-29 · 3 obs
● 2026-06-29 23:21:48
○ 2026-07-03 13:33:04
○ 2026-07-03 13:33:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...12 records
win678.coursespearl.ns.cloudflare.com, arnold.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.69

NS records: pearl.ns.cloudflare.com, arnold.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for win678.courses (unsigned zone)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.2.114, 172.67.129.32
AAAA22606:4700:3031::ac43:8120, 2606:4700:3035::6815:272
NS2arnold.ns.cloudflare.com, pearl.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1arnold.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

win678.courses has four IP addresses: 104.21.2.114, 172.67.129.32, 2606:4700:3031::ac43:8120 and 2606:4700:3035::6815:272.

www.asktaxguru.com, www.easyscopes.com, www.gribo.net and two other host names share IP numbers with win678.courses.

Name Servers

win678.courses is served by two delegated name servers, arnold.ns.cloudflare.com and pearl.ns.cloudflare.com.

win678.courses uses the same name servers as several other domains — among them airblais.com, z188.today, g28.nl and two more.

win678.courses has at least partial name server overlap with other domains, such as cmty.app, knowcorporatelaw.com, e-sport.uz and two others.

It is common to find these name servers paired with the name servers jamie.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

arnold.ns.cloudflare.com carries IP addresses 108.162.193.69, 172.64.33.69 and 173.245.59.69, with 3 other addresses beyond those.

pearl.ns.cloudflare.com carries IP addresses 108.162.194.140, 162.159.38.140 and 172.64.34.140, with 3 other addresses beyond those.