bestbuylearning.com - dns.ninja

bestbuylearning.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2c15🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c1f4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.44.21Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.244🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbart.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b47🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A2803:f800:50::6ca2:c147🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbart.ns.cloudflare.com
A2a06:98c1:50::ac40:2147🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbart.ns.cloudflare.com
A108.162.193.71🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A172.64.33.71🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A173.245.59.71🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
NSlucy.ns.cloudflare.com
A2606:4700:50::adf5:3a85🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlucy.ns.cloudflare.com
A2803:f800:50::6ca2:c085🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlucy.ns.cloudflare.com
A2a06:98c1:50::ac40:2085🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlucy.ns.cloudflare.com
A108.162.192.133🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlucy.ns.cloudflare.com
A172.64.32.133🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlucy.ns.cloudflare.com
A173.245.58.133🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlucy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.44.21, 172.67.193.244
IPv6 hints2606:4700:3031::6815:2c15, 2606:4700:3037::ac43:c1f4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOAbart.ns.cloudflare.comdns@cloudflare.com serial=2407726661

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=1782504045

Same first word

bestbuylearning.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSbart.ns.cloudflare.comlucy.ns.cloudflare.comns.rackspace.comns2.rackspace.comMXmail.bestbuylearning.comsmtp.bestbuylearning.comA104.21.44.21172.67.193.2442606:4700:3031::6815:2c152606:4700:3037::ac43:c1f42606:4700:3031::ac43:c1f42606:4700:3036::6815:2c1564.207.154.9772.10.38.231
●NSbart.ns.cloudflare.com2026-03-11 → 2026-06-26 · 3 obs
○ 2020-01-22 03:54:18
● 2026-03-11 12:46:42
● 2026-06-26 20:23:32
●NSlucy.ns.cloudflare.com2026-03-11 → 2026-06-26 · 3 obs
○ 2020-01-22 03:54:18
● 2026-03-11 12:46:42
● 2026-06-26 20:23:32
○NSns.rackspace.com2015-06-17 → 2020-01-22 · 4 obs
● 2015-06-17 20:52:54
● 2020-01-22 03:54:18
○ 2026-03-11 12:46:42
○ 2026-06-26 20:23:32
○NSns2.rackspace.com2015-06-17 → 2020-01-22 · 4 obs
● 2015-06-17 20:52:54
● 2020-01-22 03:54:18
○ 2026-03-11 12:46:42
○ 2026-06-26 20:23:32
○MXmail.bestbuylearning.com2015-06-17 → 2020-01-22 · 4 obs
● 2015-06-17 20:52:54
● 2020-01-22 03:54:18
○ 2026-03-11 12:46:42
○ 2026-06-26 20:23:32
○MXsmtp.bestbuylearning.com2015-06-17 → 2020-01-22 · 4 obs
● 2015-06-17 20:52:54
● 2020-01-22 03:54:18
○ 2026-03-11 12:46:42
○ 2026-06-26 20:23:32
●A104.21.44.212026-03-11 → 2026-06-26 · 3 obs
○ 2020-01-22 03:54:18
● 2026-03-11 12:46:42
● 2026-06-26 20:23:32
●A172.67.193.2442026-03-11 → 2026-06-26 · 3 obs
○ 2020-01-22 03:54:18
● 2026-03-11 12:46:42
● 2026-06-26 20:23:32
●A2606:4700:3031::6815:2c152026-06-26 → 2026-06-26 · 3 obs
○ 2026-06-09 16:42:24
● 2026-06-26 20:23:30
● 2026-06-26 20:23:32
○A2606:4700:3031::ac43:c1f42026-03-11 → 2026-06-09 · 5 obs
○ 2020-01-22 03:54:18
● 2026-03-11 12:46:42
● 2026-06-09 16:42:24
○ 2026-06-26 20:23:30
○ 2026-06-26 20:23:32
○A2606:4700:3036::6815:2c152026-03-11 → 2026-06-09 · 5 obs
○ 2020-01-22 03:54:18
● 2026-03-11 12:46:42
● 2026-06-09 16:42:24
○ 2026-06-26 20:23:30
○ 2026-06-26 20:23:32
●A2606:4700:3037::ac43:c1f42026-06-26 → 2026-06-26 · 3 obs
○ 2026-06-09 16:42:24
● 2026-06-26 20:23:30
● 2026-06-26 20:23:32
○A64.207.154.972020-01-22 → 2020-01-22 · 4 obs
○ 2017-02-10 04:18:44
● 2020-01-22 03:54:18
○ 2026-03-11 12:46:42
○ 2026-06-26 20:23:32
○A72.10.38.2312015-06-17 → 2017-02-10 · 4 obs
● 2015-06-17 20:52:54
● 2017-02-10 04:18:44
○ 2020-01-22 03:54:18
○ 2026-06-26 20:23:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
bestbuylearning.combart.ns.cloudflare.com, lucy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.71

NS records: bart.ns.cloudflare.com, lucy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bestbuylearning.com (unsigned zone)

⏱️ Timing

Total: 395ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.44.21, 172.67.193.244
AAAA22606:4700:3037::ac43:c1f4, 2606:4700:3031::6815:2c15
NS2bart.ns.cloudflare.com, lucy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bart.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bestbuylearning.com has four IP addresses: 104.21.44.21, 172.67.193.244, 2606:4700:3031::6815:2c15 and 2606:4700:3037::ac43:c1f4.

Among the host names that share IP numbers with bestbuylearning.com are spv88ofc.com, nettacode.com, xinshuban.com and two others.

Name Servers

bestbuylearning.com is delegated to two name servers: bart.ns.cloudflare.com and lucy.ns.cloudflare.com.

bestbuylearning.com has the same name server delegation as a number of other domains, such as platformsanddevicestraining.com, ficoba.org, myretailtraining.com and two more.

bestbuylearning.com has at least partial name server overlap with other domains, such as orkinos.eu, vigoshop.pl, sct.dev and two others.

It is common to see these name servers used together with name servers hera.ns.cloudflare.com and apollo.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bart.ns.cloudflare.com resolves to 108.162.193.71, 172.64.33.71, 173.245.59.71 and 3 other IP addresses.

lucy.ns.cloudflare.com resolves to 108.162.192.133, 172.64.32.133, 173.245.58.133 and 3 other IP addresses.