teachersupplysource.com - robtex.com

teachersupplysource.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:679🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:86d5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.121Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.213🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkevin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkevin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkevin.ns.cloudflare.com
A108.162.193.191🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A172.64.33.191🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A173.245.59.191🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
NSkeyla.ns.cloudflare.com
A2606:4700:50::a29f:26aa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
A2803:f800:50::6ca2:c2aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkeyla.ns.cloudflare.com
A2a06:98c1:50::ac40:22aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkeyla.ns.cloudflare.com
A108.162.194.170🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
A162.159.38.170Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
A172.64.34.170🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
TXTgoogle-site-verification=opaFAyg_PPU6A4k_9XPryMx3TqUjMO90ZktLTBAHaJ8
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.6.121, 172.67.134.213
IPv62606:4700:3031::6815:679, 2606:4700:3037::ac43:86d5
SOAkevin.ns.cloudflare.comdns@cloudflare.com serial=2396998340

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=1771291435

Subdomains

cdn.teachersupplysource.com

Same first word

teachersupplysource.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSkevin.ns.cloudflare.comkeyla.ns.cloudflare.comns-1372.awsdns-43.orgns-1550.awsdns-01.co.ukns-162.awsdns-20.comns-909.awsdns-49.netA104.21.6.121172.67.134.2132606:4700:3031::6815:6792606:4700:3037::ac43:86d596.31.66.85
●NSkevin.ns.cloudflare.com2026-03-18 → 2026-03-18 · 2 obs
○ 2017-08-25 03:29:04
● 2026-03-18 00:01:24
●NSkeyla.ns.cloudflare.com2026-03-18 → 2026-03-18 · 2 obs
○ 2017-08-25 03:29:04
● 2026-03-18 00:01:24
○NSns-1372.awsdns-43.org2015-08-17 → 2017-08-25 · 3 obs
● 2015-08-17 01:15:44
● 2017-08-25 03:29:04
○ 2026-03-18 00:01:24
○NSns-1550.awsdns-01.co.uk2015-08-17 → 2017-08-25 · 3 obs
● 2015-08-17 01:15:44
● 2017-08-25 03:29:04
○ 2026-03-18 00:01:24
○NSns-162.awsdns-20.com2015-08-17 → 2017-08-25 · 3 obs
● 2015-08-17 01:15:44
● 2017-08-25 03:29:04
○ 2026-03-18 00:01:24
○NSns-909.awsdns-49.net2015-08-17 → 2017-08-25 · 3 obs
● 2015-08-17 01:15:44
● 2017-08-25 03:29:04
○ 2026-03-18 00:01:24
●A104.21.6.1212026-03-18 → 2026-03-18 · 2 obs
○ 2017-08-25 03:29:04
● 2026-03-18 00:01:24
●A172.67.134.2132026-03-18 → 2026-03-18 · 2 obs
○ 2017-08-25 03:29:04
● 2026-03-18 00:01:24
●A2606:4700:3031::6815:6792026-03-18 → 2026-03-18 · 2 obs
○ 2017-08-25 03:29:04
● 2026-03-18 00:01:24
●A2606:4700:3037::ac43:86d52026-03-18 → 2026-03-18 · 2 obs
○ 2017-08-25 03:29:04
● 2026-03-18 00:01:24
○A96.31.66.852015-08-17 → 2017-08-25 · 3 obs
● 2015-08-17 01:15:44
● 2017-08-25 03:29:04
○ 2026-03-18 00:01:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
teachersupplysource.comkevin.ns.cloudflare.com, keyla.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.193.191

NS records: kevin.ns.cloudflare.com, keyla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teachersupplysource.com (unsigned zone)

⏱️ Timing

Total: 113ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.6.121, 172.67.134.213
AAAA22606:4700:3037::ac43:86d5, 2606:4700:3031::6815:679
NS2kevin.ns.cloudflare.com, keyla.ns.cloudflare.com
TXT1google-site-verification=opaFAyg_PPU6A4k
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kevin.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of cdn.teachersupplysource.com is teachersupplysource.com.

IP Addresses

teachersupplysource.com maps to four IP numbers: 2606:4700:3031::6815:679, 2606:4700:3037::ac43:86d5, 104.21.6.121 and 172.67.134.213.

Other host names such as cencis.org, www.nbslyy.com, rosetemplates.com, explanr.com and mail.texas-express.com share IPs with teachersupplysource.com.

Name Servers

Two name servers kevin.ns.cloudflare.com and keyla.ns.cloudflare.com handle the delegation for teachersupplysource.com.

teachersupplysource.com shares the same name server setup as other domains, for example kolonok.com, colegiodenuestrasenora.edu.ar, vitamir.by, falik.ca and tatyanka.com.

teachersupplysource.com at least partially shares name servers with other domains, for example bjj-spot.com, 7.12.18.104.in-addr.arpa, fjlixiang.com, chylovula.pro and pmpm.tv.

These name servers are often used together with nero.ns.cloudflare.com and hayes.ns.cloudflare.com.

Host names with six IP numbers:

kevin.ns.cloudflare.com points to 2606:4700:58::adf5:3bbf, 2803:f800:50::6ca2:c1bf, 2a06:98c1:50::ac40:21bf, 108.162.193.191, 172.64.33.191 and 173.245.59.191.

keyla.ns.cloudflare.com points to 2606:4700:50::a29f:26aa, 2803:f800:50::6ca2:c2aa, 2a06:98c1:50::ac40:22aa, 108.162.194.170, 162.159.38.170 and 172.64.34.170.