fishtanklearning.org - robtex.com

fishtanklearning.org

DNSSEC⚠️ Not signed
A2606:4700:20::681a:a17🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:b17🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:445f🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.10.23Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.11.23Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.68.95🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgerald.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3ba8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A2803:f800:50::6ca2:c1a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgerald.ns.cloudflare.com
A2a06:98c1:50::ac40:21a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgerald.ns.cloudflare.com
A108.162.193.168🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A172.64.33.168🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A173.245.59.168🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
NSmaya.ns.cloudflare.com
A2606:4700:50::adf5:3ac2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaya.ns.cloudflare.com
A2803:f800:50::6ca2:c0c2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmaya.ns.cloudflare.com
A2a06:98c1:50::ac40:20c2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmaya.ns.cloudflare.com
A108.162.192.194🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaya.ns.cloudflare.com
A172.64.32.194🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaya.ns.cloudflare.com
A173.245.58.194🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaya.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTMS=ms59880606
TXTatlassian-domain-verification=IXmb85JQahHUryuA3G4aOE0tQBh4W/R6dxaf3KUNLURphnB...
TXTgoogle-site-verification=5nMadpUB4uRuY90c0cV2BZlNwIhe4CJXVN6vfmz44Kw
TXTgoogle-site-verification=MlwgKx4M3tPgCPKExTD8VbeW62exXHsLIPxdU0oOLig
TXTgoogle-site-verification=w-dQ1lFs9AQDyJ_t8OLGDrLTdIUl0U4acrBVSAIUKxk
TXTstripe-verification=444fbbc0bd2f9baaacdfc7d120e2cea83b7418740befdb3a2cd8baa08...
TXTv=spf1 include:spf.efwd.registrar-servers.com include:mail.zendesk.com ~all
HTTPSHTTP/2 ✓ hints match
IPv4104.26.10.23, 104.26.11.23, 172.67.68.95
IPv62606:4700:20::681a:a17, 2606:4700:20::681a:b17, 2606:4700:20::ac43:445f
SOAgerald.ns.cloudflare.comdns@cloudflare.com serial=2398721675

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
rank #689007 globally
rank #53384 in the tld
📈 Tranco rank: #452,887

Subdomains

www.fishtanklearning.org
cdn.fishtanklearning.org
student.fishtanklearning.org

Same first word

fishtanklearning.org

DNS History

13 records (13 active, 0 former)

NSgerald.ns.cloudflare.commaya.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.26.10.23104.26.11.23172.67.68.952606:4700:20::681a:a172606:4700:20::681a:b172606:4700:20::ac43:445f
●NSgerald.ns.cloudflare.com2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●NSmaya.ns.cloudflare.com2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●MXalt1.aspmx.l.google.com2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●MXalt2.aspmx.l.google.com2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●MXalt3.aspmx.l.google.com2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●MXalt4.aspmx.l.google.com2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●MXaspmx.l.google.com2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●A104.26.10.232026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●A104.26.11.232026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●A172.67.68.952026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●A2606:4700:20::681a:a172026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●A2606:4700:20::681a:b172026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22
●A2606:4700:20::ac43:445f2026-02-19 → 2026-03-15 · 2 obs
● 2026-02-19 12:16:22
● 2026-03-15 17:43:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
fishtanklearning.orggerald.ns.cloudflare.com, maya.ns.cloudflare.com-

✅ Authoritative Response

Server: 172.64.32.194

NS records: gerald.ns.cloudflare.com, maya.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fishtanklearning.org (unsigned zone)

⏱️ Timing

Total: 472ms | Queries: -

📄 Records

TypeCountSample Data
A3172.67.68.95, 104.26.11.23...
AAAA32606:4700:20::ac43:445f, 2606:4700:20::681a:b17...
NS2gerald.ns.cloudflare.com, maya.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT7MS=ms59880606, atlassian-domain-verification=IXmb85JQah...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1gerald.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

fishtanklearning.org is a parent of www.fishtanklearning.org, cdn.fishtanklearning.org and student.fishtanklearning.org.

IP Addresses

fishtanklearning.org maps to six IPs: 2606:4700:20::681a:a17, 2606:4700:20::681a:b17, 2606:4700:20::ac43:445f, 104.26.10.23, 104.26.11.23 and 172.67.68.95.

Other host names, for instance number16.es, aichelin.at, mitsui-shopping-park.com.tw, wildalaskancompany.com and umalis.fr share IP numbers with fishtanklearning.org.

Name Servers

fishtanklearning.org's delegation uses two name servers: gerald.ns.cloudflare.com and maya.ns.cloudflare.com.

fishtanklearning.org uses the same name server setup as other domains, such as signatureparking.com, thricegre.at, firdevstalkturkey.com, funneltrafficpro.com and sbcasa.org.

fishtanklearning.org at least partially shares name servers with other domains, including netpeak.group, auf-yogareisen.de, currencyconverterxe.com, koreacars.me and goaot.com.

These name servers are often used with sharon.ns.cloudflare.com and shubhi.ns.cloudflare.com.

Host names with six IP numbers:

gerald.ns.cloudflare.com points to 2606:4700:58::adf5:3ba8, 2803:f800:50::6ca2:c1a8, 2a06:98c1:50::ac40:21a8, 108.162.193.168, 172.64.33.168 and 173.245.59.168.

maya.ns.cloudflare.com points to 2606:4700:50::adf5:3ac2, 2803:f800:50::6ca2:c0c2, 2a06:98c1:50::ac40:20c2, 108.162.192.194, 172.64.32.194 and 173.245.58.194.

Mail Servers

fishtanklearning.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

fishtanklearning.org shares at least some mail servers with other domains, for example blueorange.co.kr, ajaysingh.ca, grupoprovicredito.com, ns500821.ns500821.ns500841.ns500821.ns500821.ns500821.ns500794.ns500821.ns500821.ns500794.ns500794.ns500795.ns500790.ns500795.lustypartnersfinder.com and colinare.com.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.

alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26.

alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27.