responsiveclassroom.org - robtex.com
responsiveclassroom.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
rank #13099 in the tld
WOT: UNKNOWN (66/100)
📈 Tranco rank: #484,164
Subdomains
www.responsiveclassroom.org |
Same first word
responsiveclassroom.org |
DNS History
17 records (5 active, 12 former)
●NSdilbert.ns.cloudflare.com2026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:43:16
●NSnola.ns.cloudflare.com2026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:43:16
○NSns1.blackmesh.com2015-07-23 → 2016-03-03 · 4 obs
● 2016-03-03 09:45:20
○ 2016-07-10 21:58:22
○ 2026-03-14 08:43:16
○NSns2.blackmesh.com2015-07-23 → 2016-03-03 · 4 obs
● 2016-03-03 09:45:20
○ 2016-07-10 21:58:22
○ 2026-03-14 08:43:16
○NSns75.worldnic.com2016-07-10 → 2017-02-20 · 4 obs
● 2016-07-10 21:58:22
● 2017-02-20 03:40:22
○ 2026-03-14 08:43:16
○NSns76.worldnic.com2016-07-10 → 2017-02-20 · 4 obs
● 2016-07-10 21:58:22
● 2017-02-20 03:40:22
○ 2026-03-14 08:43:16
○MXasp.reflexion.net2016-07-10 → 2017-02-20 · 4 obs
● 2016-07-10 21:58:22
● 2017-02-20 03:40:22
○ 2026-03-14 08:43:16
○MXmx-100.reflexion.net2016-07-10 → 2017-02-20 · 4 obs
● 2016-07-10 21:58:22
● 2017-02-20 03:40:22
○ 2026-03-14 08:43:16
○MXmx-110.reflexion.net2016-07-10 → 2017-02-20 · 4 obs
● 2016-07-10 21:58:22
● 2017-02-20 03:40:22
○ 2026-03-14 08:43:16
○MXresponsiveclassroom.org.inbound10.mxlogic.net2015-07-23 → 2016-03-03 · 4 obs
● 2016-03-03 09:45:20
○ 2016-07-10 21:58:22
○ 2026-03-14 08:43:16
○MXresponsiveclassroom.org.inbound10.mxlogicmx.net2015-07-23 → 2016-03-03 · 4 obs
● 2016-03-03 09:45:20
○ 2016-07-10 21:58:22
○ 2026-03-14 08:43:16
●MXsmtp.google.com2026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:43:16
○A104.196.104.872017-02-20 → 2017-02-20 · 3 obs
● 2017-02-20 03:40:22
○ 2026-03-14 08:43:16
●A104.20.28.1932026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:43:16
●A172.66.144.2122026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:43:16
○A172.99.112.2252016-03-03 → 2016-07-10 · 5 obs
● 2016-03-03 09:45:20
● 2016-07-10 21:58:22
○ 2017-02-20 03:40:22
○ 2026-03-14 08:43:16
○A199.167.75.1222015-07-23 → 2015-11-20 · 4 obs
● 2015-11-20 23:36:28
○ 2016-03-03 09:45:20
○ 2026-03-14 08:43:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| responsiveclassroom.org | dilbert.ns.cloudflare.com, nola.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 172.64.33.155
NS records: dilbert.ns.cloudflare.com, nola.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for responsiveclassroom.org (unsigned zone)
⏱️ Timing
Total: 413ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.66.144.212, 104.20.28.193 |
| NS | 2 | dilbert.ns.cloudflare.com, nola.ns.cloudflare.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 9 | 1b9gu7s4k5knnrmr45kjcp64r9, MS=E0F048F251CDC90B1ACC3D130A630214F5370... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | dilbert.ns.cloudflare.com dns.cloudflare |
Analysis
Hierarchy
The parent of www.responsiveclassroom.org is responsiveclassroom.org.
IP Addresses
responsiveclassroom.org points to two IP numbers: 104.20.28.193 and 172.66.144.212.
Other host names, for instance mcehome.com, cyhysc.com, 4com.co.uk.cdn.cloudflare.net, vip1.dnsyxip001.com and 0731av.com share IP numbers with responsiveclassroom.org.
Name Servers
responsiveclassroom.org is delegated to two name servers: dilbert.ns.cloudflare.com and nola.ns.cloudflare.com.
responsiveclassroom.org uses the same name server setup as other domains, for instance crossfitdaedalus.com, cblue.com.br, bola8apps.com, customtruck.net and customtruck.com.
responsiveclassroom.org shares name servers with other domains at least partially, for instance pwcgov.com, cadena3.com, e0328.com, 855990.com and doneros.com.
these name servers are often used together with the name servers hayes.ns.cloudflare.com.
Host names with six IP numbers: dilbert.ns.cloudflare.com points to 2606:4700:58::adf5:3b9b, 2803:f800:50::6ca2:c19b, 2a06:98c1:50::ac40:219b, 108.162.193.155, 172.64.33.155 and 173.245.59.155; nola.ns.cloudflare.com points to 2606:4700:50::adf5:3ad4, 2803:f800:50::6ca2:c0d4, 2a06:98c1:50::ac40:20d4, 108.162.192.212, 172.64.32.212 and 173.245.58.212.
Mail Servers
The mail server for responsiveclassroom.org is smtp.google.com.
responsiveclassroom.org shares the same mail server setup as other domains, including academyacl.org, iconoffices.co.uk, flywellco.com, maciejko.com and storn.co.
responsiveclassroom.org shares some mail servers with other domains, including tripwoow.com, skywatches.com.sg, ximpaconsultores.com, aspirebulgaria.com and kskhealth.com.
these mail servers are commonly used with 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.
Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.