coursmaths.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

coursmaths.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5568🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:cc9c🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.104Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.156🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanastasia.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26e3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
A2803:f800:50::6ca2:c2e3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanastasia.ns.cloudflare.com
A2a06:98c1:50::ac40:22e3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanastasia.ns.cloudflare.com
A108.162.194.227🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
A162.159.38.227Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
A172.64.34.227🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
NSchase.ns.cloudflare.com
A2606:4700:58::a29f:2c9c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A2803:f800:50::6ca2:c39c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchase.ns.cloudflare.com
A2a06:98c1:50::ac40:239c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchase.ns.cloudflare.com
A108.162.195.156🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A162.159.44.156Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A172.64.35.156🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
MX_dc-mx.16543cce22ac.coursmaths.com ⭐
A83.147.39.40🇺🇸 WHOLESALE-INTERNET83.147.36.0/22
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.85.104, 172.67.204.156
IPv6 hints2606:4700:3033::6815:5568, 2606:4700:3033::ac43:cc9c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=45, name=cloudflare-ech.com
SOAanastasia.ns.cloudflare.comdns@cloudflare.com serial=2410465233

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=1786893279
WOT: SAFE (50/100)

Same first word

coursmaths.com

Similar names

smashcourt.co.uk
smashcourt.com
smashcourt.org
smashcourt.net
raumschots.online
smashcourt.be
smashcourt.biz
raumschots.de
smashcourt.nl
umasstorch.com

DNS History

22 records (7 active, 15 former)

20162017201820192020202120222023202420252026NSanastasia.ns.cloudflare.comchase.ns.cloudflare.comdns200.anycast.mens1.namebrightdns.comns2.namebrightdns.comns200.anycast.meMX_dc-mx.16543cce22ac.coursmaths.commail1.namebrightmail.commail2.namebrightmail.commx1.ovh.netmx2.ovh.netA104.21.85.104172.67.204.1562606:4700:3033::6815:55682606:4700:3033::ac43:cc9c213.186.33.192600:1f18:4ae:c607:5974:bfa8:d54b:7fe52600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2606:4700:3032::ac43:cc9c2606:4700:3036::6815:556844.208.83.18054.84.240.235
●NSanastasia.ns.cloudflare.com2026-07-02 → 2026-08-16 · 3 obs
○ 2018-06-30 00:15:50
● 2026-07-02 02:08:00
● 2026-08-16 15:37:32
●NSchase.ns.cloudflare.com2026-07-02 → 2026-08-16 · 3 obs
○ 2018-06-30 00:15:50
● 2026-07-02 02:08:00
● 2026-08-16 15:37:32
○NSdns200.anycast.me2015-07-19 → 2018-06-30 · 4 obs
● 2015-07-19 19:53:26
● 2018-06-30 00:15:50
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○NSns1.namebrightdns.com2026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○NSns2.namebrightdns.com2026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○NSns200.anycast.me2015-07-19 → 2018-06-30 · 4 obs
● 2015-07-19 19:53:26
● 2018-06-30 00:15:50
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
●MX_dc-mx.16543cce22ac.coursmaths.com2026-07-02 → 2026-08-16 · 3 obs
○ 2018-06-30 00:15:50
● 2026-07-02 02:08:00
● 2026-08-16 15:37:32
○MXmail1.namebrightmail.com2026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○MXmail2.namebrightmail.com2026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○MXmx1.ovh.net2015-07-19 → 2018-06-30 · 4 obs
● 2015-07-19 19:53:26
● 2018-06-30 00:15:50
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○MXmx2.ovh.net2015-07-19 → 2018-06-30 · 4 obs
● 2015-07-19 19:53:26
● 2018-06-30 00:15:50
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
●A104.21.85.1042026-07-02 → 2026-08-16 · 3 obs
○ 2018-06-30 00:15:50
● 2026-07-02 02:08:00
● 2026-08-16 15:37:32
●A172.67.204.1562026-07-02 → 2026-08-16 · 3 obs
○ 2018-06-30 00:15:50
● 2026-07-02 02:08:00
● 2026-08-16 15:37:32
○A213.186.33.192015-07-19 → 2018-06-30 · 4 obs
● 2015-07-19 19:53:26
● 2018-06-30 00:15:50
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○A2600:1f18:4ae:c607:5974:bfa8:d54b:7fe52026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○A2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○A2606:4700:3032::ac43:cc9c2026-07-02 → 2026-07-02 · 4 obs
○ 2018-06-30 00:15:50
● 2026-07-02 02:08:00
○ 2026-08-16 15:37:30
○ 2026-08-16 15:37:32
●A2606:4700:3033::6815:55682026-08-16 → 2026-08-16 · 3 obs
○ 2026-07-02 02:08:00
● 2026-08-16 15:37:30
● 2026-08-16 15:37:32
●A2606:4700:3033::ac43:cc9c2026-08-16 → 2026-08-16 · 3 obs
○ 2026-07-02 02:08:00
● 2026-08-16 15:37:30
● 2026-08-16 15:37:32
○A2606:4700:3036::6815:55682026-07-02 → 2026-07-02 · 4 obs
○ 2018-06-30 00:15:50
● 2026-07-02 02:08:00
○ 2026-08-16 15:37:30
○ 2026-08-16 15:37:32
○A44.208.83.1802026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32
○A54.84.240.2352026-07-02 → 2026-08-16 · 2 obs
○ 2026-07-02 02:08:00
○ 2026-08-16 15:37:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
coursmaths.comanastasia.ns.cloudflare.com, chase.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.227

NS records: anastasia.ns.cloudflare.com, chase.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursmaths.com (unsigned zone)

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.204.156, 104.21.85.104
AAAA22606:4700:3033::6815:5568, 2606:4700:3033::ac43:cc9c
NS2anastasia.ns.cloudflare.com, chase.ns.cloudflare.com
MX1_dc-mx.16543cce22ac.coursmaths.com (pri:
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1anastasia.ns.cloudflare.com dns.cloudfla

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coursmaths.com points to the four IP addresses 104.21.85.104, 172.67.204.156, 2606:4700:3033::6815:5568 and 2606:4700:3033::ac43:cc9c.

dns3.projetovida.com, parkinggbke.top, ats-aquashop.de and two other host names share IP numbers with coursmaths.com.

Name Servers

coursmaths.com uses two name servers for its delegation: anastasia.ns.cloudflare.com and chase.ns.cloudflare.com.

coursmaths.com uses the same name servers as several other domains — among them buybargainbuys.co.za, languagenext.com, studyfrenchspanish.com and two more.

There is at least partial name server overlap between coursmaths.com and other domains — codermode.com, jambu.web.id, nursingessays.co.uk and two more among them.

These name servers are routinely deployed together with the name servers ace.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname anastasia.ns.cloudflare.com directs to 108.162.194.227, 162.159.38.227 and 172.64.34.227 along with 3 other IP addresses.

Hostname chase.ns.cloudflare.com directs to 108.162.195.156, 162.159.44.156 and 172.64.35.156 along with 3 other IP addresses.

Mail Servers

Mail for coursmaths.com is handled by a single mail server, _dc-mx.16543cce22ac.coursmaths.com.

_dc-mx.16543cce22ac.coursmaths.com directs to just one IP number, 83.147.39.40.