flashycards.org - robtex.com

flashycards.org

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:28de🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:bc7f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.222Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.127🇺🇸 Cloudflare172.67.176.0/20 , 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
NSkristin.ns.cloudflare.com
A2606:4700:50::adf5:3ab5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
A2803:f800:50::6ca2:c0b5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkristin.ns.cloudflare.com
A2a06:98c1:50::ac40:20b5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkristin.ns.cloudflare.com
A108.162.192.181🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
A172.64.32.181🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
A173.245.58.181🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.40.222, 172.67.188.127
IPv62606:4700:3033::6815:28de, 2606:4700:3036::ac43:bc7f
SOAbart.ns.cloudflare.comdns@cloudflare.com serial=2395722775

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953

Same first word

flashycards.org

DNS History

10 records (6 active, 4 former)

NSbart.ns.cloudflare.comkristin.ns.cloudflare.comA104.21.40.222172.67.188.1272606:4700:3033::6815:28de2606:4700:3036::ac43:bc7f188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSbart.ns.cloudflare.com2026-02-28 → 2026-03-23 · 2 obs
● 2026-02-28 10:58:18
● 2026-03-23 14:45:24
●NSkristin.ns.cloudflare.com2026-02-28 → 2026-03-23 · 2 obs
● 2026-02-28 10:58:18
● 2026-03-23 14:45:24
●A104.21.40.2222026-02-28 → 2026-03-23 · 5 obs
● 2026-02-28 10:58:18
● 2026-03-01 10:23:36
○ 2026-03-06 09:02:32
● 2026-03-23 14:45:22
● 2026-03-23 14:45:24
●A172.67.188.1272026-02-28 → 2026-03-23 · 5 obs
● 2026-02-28 10:58:18
● 2026-03-01 10:23:36
○ 2026-03-06 09:02:32
● 2026-03-23 14:45:22
● 2026-03-23 14:45:24
○A188.114.96.02026-03-06 → 2026-03-06 · 4 obs
○ 2026-03-01 10:23:36
● 2026-03-06 09:02:32
○ 2026-03-23 14:45:22
○ 2026-03-23 14:45:24
○A188.114.97.02026-03-06 → 2026-03-06 · 4 obs
○ 2026-03-01 10:23:36
● 2026-03-06 09:02:32
○ 2026-03-23 14:45:22
○ 2026-03-23 14:45:24
●A2606:4700:3033::6815:28de2026-02-28 → 2026-03-23 · 5 obs
● 2026-02-28 10:58:18
● 2026-03-01 10:23:36
○ 2026-03-06 09:02:32
● 2026-03-23 14:45:22
● 2026-03-23 14:45:24
●A2606:4700:3036::ac43:bc7f2026-02-28 → 2026-03-23 · 5 obs
● 2026-02-28 10:58:18
● 2026-03-01 10:23:36
○ 2026-03-06 09:02:32
● 2026-03-23 14:45:22
● 2026-03-23 14:45:24
○A2a06:98c1:3120::2026-03-06 → 2026-03-06 · 4 obs
○ 2026-03-01 10:23:36
● 2026-03-06 09:02:32
○ 2026-03-23 14:45:22
○ 2026-03-23 14:45:24
○A2a06:98c1:3121::2026-03-06 → 2026-03-06 · 4 obs
○ 2026-03-01 10:23:36
● 2026-03-06 09:02:32
○ 2026-03-23 14:45:22
○ 2026-03-23 14:45:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
flashycards.orgkristin.ns.cloudflare.com, bart.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.181

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flashycards.org (unsigned zone)

⏱️ Timing

Total: 418ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.188.127, 104.21.40.222
AAAA22606:4700:3033::6815:28de, 2606:4700:3036::ac43:bc7f
NS2bart.ns.cloudflare.com, kristin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bart.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

flashycards.org points to four IP numbers: 2606:4700:3033::6815:28de, 2606:4700:3036::ac43:bc7f, 104.21.40.222 and 172.67.188.127.

Other host names including smdc-condo.com, stoveworlduk.co.uk, granbyairport.com, meetsub.com and gerarddirect.com share IP numbers with flashycards.org.

Name Servers

flashycards.org's delegation uses two name servers, bart.ns.cloudflare.com and kristin.ns.cloudflare.com.

flashycards.org shares the same name server setup as other domains, for example xn--brthel-3ya.de, supsun.com, cadena-capriles.com, b-base.ru and pintofscience.com.br.

flashycards.org at least partially shares name servers with other domains, including agtv.dev, jalurcepat.com, dptjyey.com, usasset.hk and deep-life.ru.

These name servers are commonly used with hera.ns.cloudflare.com and maria.ns.cloudflare.com.

Host names with six IP numbers:

bart.ns.cloudflare.com points to: 2606:4700:58::adf5:3b47, 2803:f800:50::6ca2:c147, 2a06:98c1:50::ac40:2147, 108.162.193.71, 172.64.33.71 and 173.245.59.71.

kristin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab5, 2803:f800:50::6ca2:c0b5, 2a06:98c1:50::ac40:20b5, 108.162.192.181, 172.64.32.181 and 173.245.58.181.