linuxclassroom.org - dns.ninja
linuxclassroom.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.81.131.151🇺🇸 AKAMAI-LINODE-AP192.81.128.0/21 Akamai Technologies | ||||||
| PTR | 192-81-131-151.ip.linodeusercontent.com | ||||||
| NS | ns1.hover.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:26🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.hover.com | ||||||
| A | 216.40.47.26🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.hover.com | ||||||
| NS | ns2.hover.com | ||||||
| A | 2604:4000:2800:d:64:99:148:13🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.hover.com | ||||||
| A | 64.98.148.13🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.hover.com | ||||||
| MX | mx.hover.com.cust.hostedemail.com ⭐ | ||||||
| A | 216.40.42.4🇨🇦 TUCOWS216.40.32.0/20 Tucows International | ||||||
| PTR | mx.hostedemail.com | ||||||
| SOA | ns1.hover.comdnsmaster@hover.com serial=1720467934 | ||||||
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=1784110560 | ||||||
Same first word
linuxclassroom.com |
linuxclassroom.org |
Similar names
DNS History
4 records (4 active, 0 former)
●MXmx.hover.com.cust.hostedemail.com2015-06-25 → 2026-07-15 · 2 obs
● 2026-07-15 10:53:48
●A192.81.131.1512015-06-25 → 2026-07-15 · 2 obs
● 2026-07-15 10:53:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| linuxclassroom.org | ns2.hover.com, ns1.hover.com | - |
✅ Authoritative Response
Server:216.40.47.26
NS records: ns2.hover.com, ns1.hover.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxclassroom.org (unsigned zone)
⏱️ Timing
Total: 780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.81.131.151 |
| NS | 2 | ns1.hover.com, ns2.hover.com |
| MX | 1 | mx.hover.com.cust.hostedemail.com (pri: |
| SOA | 1 | ns1.hover.com dnsmaster.hover.com |
Analysis
IP Addresses
linuxclassroom.org directs to one IP number, which is 192.81.131.151.
Other host names share IP numbers with linuxclassroom.org; 192-81-131-151.ip.linodeusercontent.com is one such example.
Name Servers
linuxclassroom.org is served by two delegated name servers, ns1.hover.com and ns2.hover.com.
linuxclassroom.org has the same name server delegation as a number of other domains, such as toladata.io, webcache.cloud, ufadvancementtoolkit.com and two more.
linuxclassroom.org partially shares its NS delegation with several other domains, including wibbo.com, wineitch.com, richardcorben.net and two others.
The name servers ns1.domaindirect.com, ns2.domaindirect.com, ns3.domaindirect.com and ns3.hover.com are often found in use alongside these name servers.
Each of the two host names carries two IP addresses: ns1.hover.com points to 216.40.47.26 and 2604:4000:0:d:216:40:47:26, and ns2.hover.com points to 64.98.148.13 and 2604:4000:2800:d:64:99:148:13.
Mail Servers
linuxclassroom.org routes its mail through a single mail server, mx.hover.com.cust.hostedemail.com.
linuxclassroom.org has the same mail server arrangement as a number of other domains, for example otoml.com, health-think.net, alinapaias.com and two more.
There is at least a partial overlap in mail servers between linuxclassroom.org and other domains like waynesboroace.com, ruemorguerecords.com and perfection.audio.
It is common to find these mail servers paired with the mail servers smtp.google.com.
There is one IP number for mx.hover.com.cust.hostedemail.com: 216.40.42.4.