commoncoremathsheets.com - robtex.com

commoncoremathsheets.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2ba3🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:b571🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.163Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.113🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmartin.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
A2803:f800:50::6ca2:c357🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmartin.ns.cloudflare.com
A2a06:98c1:50::ac40:2357🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmartin.ns.cloudflare.com
A108.162.195.87🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
A162.159.44.87Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
A172.64.35.87🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
NSraquel.ns.cloudflare.com
A2606:4700:50::a29f:26d2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
A2803:f800:50::6ca2:c2d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRraquel.ns.cloudflare.com
A2a06:98c1:50::ac40:22d2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRraquel.ns.cloudflare.com
A108.162.194.210🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
A162.159.38.210Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
A172.64.34.210🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
TXTca3-b1cf9e37ea3340ef904143548e31dbbe
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.163, 172.67.181.113
IPv6 hints2606:4700:3034::6815:2ba3, 2606:4700:3034::ac43:b571
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOAmartin.ns.cloudflare.comdns@cloudflare.com serial=2400936546

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=1778494786

Same first word

commoncoremathsheets.com

DNS History

10 records (6 active, 4 former)

NSmartin.ns.cloudflare.comraquel.ns.cloudflare.comA104.21.43.163172.67.181.1132606:4700:3034::6815:2ba32606:4700:3034::ac43:b571188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSmartin.ns.cloudflare.com2026-03-09 → 2026-05-11 · 2 obs
● 2026-03-09 19:52:42
● 2026-05-11 10:35:36
●NSraquel.ns.cloudflare.com2026-03-09 → 2026-05-11 · 2 obs
● 2026-03-09 19:52:42
● 2026-05-11 10:35:36
●A104.21.43.1632026-03-23 → 2026-05-11 · 3 obs
○ 2026-03-09 19:52:42
● 2026-03-23 14:12:42
● 2026-05-11 10:35:36
●A172.67.181.1132026-03-23 → 2026-05-11 · 3 obs
○ 2026-03-09 19:52:42
● 2026-03-23 14:12:42
● 2026-05-11 10:35:36
○A188.114.96.02026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 19:52:42
○ 2026-03-23 14:12:42
○ 2026-05-11 10:35:36
○A188.114.97.02026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 19:52:42
○ 2026-03-23 14:12:42
○ 2026-05-11 10:35:36
●A2606:4700:3034::6815:2ba32026-03-23 → 2026-05-11 · 3 obs
○ 2026-03-09 19:52:42
● 2026-03-23 14:12:42
● 2026-05-11 10:35:36
●A2606:4700:3034::ac43:b5712026-03-23 → 2026-05-11 · 3 obs
○ 2026-03-09 19:52:42
● 2026-03-23 14:12:42
● 2026-05-11 10:35:36
○A2a06:98c1:3120::2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 19:52:42
○ 2026-03-23 14:12:42
○ 2026-05-11 10:35:36
○A2a06:98c1:3121::2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 19:52:42
○ 2026-03-23 14:12:42
○ 2026-05-11 10:35:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...-
commoncoremathsheets.comraquel.ns.cloudflare.com, martin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.210

NS records: raquel.ns.cloudflare.com, martin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for commoncoremathsheets.com (unsigned zone)

⏱️ Timing

Total: 132ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.43.163, 172.67.181.113
AAAA22606:4700:3034::ac43:b571, 2606:4700:3034::6815:2ba3
NS2martin.ns.cloudflare.com, raquel.ns.cloudflare.com
TXT1ca3-b1cf9e37ea3340ef904143548e31dbbe
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1martin.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

commoncoremathsheets.com maps to four IP numbers: 2606:4700:3034::6815:2ba3, 2606:4700:3034::ac43:b571, 104.21.43.163 and 172.67.181.113.

Other host names, for instance omuva-muq.store, virus.in.ua, permaman.com, borneochic.com and www.scheerplein.be share IP numbers with commoncoremathsheets.com.

Name Servers

Two name servers martin.ns.cloudflare.com and raquel.ns.cloudflare.com handle delegation for commoncoremathsheets.com.

commoncoremathsheets.com uses the same name server setup as other domains, for example marcosau.com, ccsimg.com, accurategroup.ca, chps.co.kr and tjl.quebec.

commoncoremathsheets.com partially shares name servers with other domains; examples include psicologiagiuridica.com, mpdev.pl, av8or.net, redaksaj.ru and supplierday.com.

These name servers are often used with the name servers cory.ns.cloudflare.com and quinton.ns.cloudflare.com.

Host names with six IP numbers: martin.ns.cloudflare.com points to: 2606:4700:58::a29f:2c57, 2803:f800:50::6ca2:c357, 2a06:98c1:50::ac40:2357, 108.162.195.87, 162.159.44.87 and 172.64.35.87; raquel.ns.cloudflare.com points to: 2606:4700:50::a29f:26d2, 2803:f800:50::6ca2:c2d2, 2a06:98c1:50::ac40:22d2, 108.162.194.210, 162.159.38.210 and 172.64.34.210.