fplot.courses - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

fplot.courses

DNSSEC⚠️ Not signed
A104.21.26.240Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.156🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnoel.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bd8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
A2803:f800:50::6ca2:c1d8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnoel.ns.cloudflare.com
A2a06:98c1:50::ac40:21d8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnoel.ns.cloudflare.com
A108.162.193.216🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
A172.64.33.216🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
A173.245.59.216🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoel.ns.cloudflare.com
NStia.ns.cloudflare.com
A2606:4700:50::adf5:3ae5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A2803:f800:50::6ca2:c0e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtia.ns.cloudflare.com
A2a06:98c1:50::ac40:20e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtia.ns.cloudflare.com
A108.162.192.229🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A172.64.32.229🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A173.245.58.229🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.240, 172.67.168.156
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com
SOAnoel.ns.cloudflare.comdns@cloudflare.com serial=2409165710

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=1787676645
⚠️ On DNS blocklist: tif, tif.medium, tif.mini
⚠️ On DNS blocklist: spam-tlds

Subdomains

www.fplot.courses

Same first word

fplot.com
fplot.courses

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DNS History

4 records (4 active, 0 former)

NSnoel.ns.cloudflare.comtia.ns.cloudflare.comA104.21.26.240172.67.168.156
●NSnoel.ns.cloudflare.com2026-07-25 → 2026-08-25 · 2 obs
● 2026-07-25 11:04:18
● 2026-08-25 18:20:32
●NStia.ns.cloudflare.com2026-07-25 → 2026-08-25 · 2 obs
● 2026-07-25 11:04:18
● 2026-08-25 18:20:32
●A104.21.26.2402026-07-25 → 2026-08-25 · 2 obs
● 2026-07-25 11:04:18
● 2026-08-25 18:20:32
●A172.67.168.1562026-07-25 → 2026-08-25 · 2 obs
● 2026-07-25 11:04:18
● 2026-08-25 18:20:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...12 records
fplot.coursestia.ns.cloudflare.com, noel.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.216

NS records: tia.ns.cloudflare.com, noel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fplot.courses (unsigned zone)

⏱️ Timing

Total: 600ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.240, 172.67.168.156
NS2noel.ns.cloudflare.com, tia.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1noel.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

fplot.courses serves as the parent of www.fplot.courses.

IP Addresses

fplot.courses resolves to the IP addresses 104.21.26.240 and 172.67.168.156

Additional host names — peachtreeyoga.com, www.jxd.hk, nwaonline.org and two others — share IP numbers with fplot.courses.

Name Servers

Two name servers handle the delegation for fplot.courses: noel.ns.cloudflare.com and tia.ns.cloudflare.com.

fplot.courses shares its name server setup with other domains, including roonit.nl, lpxlpgroup168.workers.dev, amr-ashraf-web.workers.dev and two others.

fplot.courses has at least partial name server overlap with other domains, such as youngchina.review, hamiltonjamesgroup.co.uk, sevinc98812u36.workers.dev and two others.

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

Host names with 6 IP numbers:

noel.ns.cloudflare.com resolves to 108.162.193.216, 172.64.33.216 and 173.245.59.216 among others, with 3 other IP addresses in total.

tia.ns.cloudflare.com resolves to 108.162.192.229, 172.64.32.229 and 173.245.58.229 among others, with 3 other IP addresses in total.