openclass.org - dns.ninja
openclass.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.250.227.253🇬🇧 WHG-DAL192.250.227.0/24 | ||||||
| PTR | s12773.usc1.stableserver.net | ||||||
| NS | ns1.us18.tmd.cloud ⭐ ⚠️ Not in parent delegation | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns1.s610.tmd.cloud ⚠️ Not in zone NS records | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.s610.tmd.cloud ⚠️ Not in zone NS records | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns2.us18.tmd.cloud ⚠️ Not in parent delegation | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| MX | mx1.tmdhosting.com ⭐ | ||||||
| A | 108.178.0.170🇺🇸 SINGLEHOP108.178.0.0/19 | ||||||
| PTR | mx1.tmdhosting.com | ||||||
| MX | mx2.tmdhosting.com(20) | ||||||
| A | 198.143.161.162🇺🇸 SINGLEHOP198.143.160.0/20 Cloud Platform | ||||||
| PTR | mx2.tmdhosting.com | ||||||
| TXT | v=spf1 +a +mx +ip4:192.250.227.253 include:spf.mysecurecloudhost.com ~all | ||||||
| SOA | ns1.us18.tmd.cloudservers@mysecurecloudhost.com 2026-06-30 #0 | ||||||
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=1782865871 | ||||||
Same first word
Similar names
classopen.com |
slopescan.com |
espnsocal.com |
specloans.com |
clonepass.xyz |
snapclose.com |
classopen.org |
solnspace.com |
csespanol.com |
DNS History
16 records (7 active, 9 former)
●NSns1.s610.tmd.cloud2017-02-04 → 2026-07-01 · 3 obs
● 2017-02-04 20:59:52
● 2026-07-01 01:11:52
○NSns1.tmddedicated210.com2015-06-17 → 2016-01-23 · 4 obs
● 2016-01-23 00:59:24
○ 2016-06-18 11:03:18
○ 2026-07-01 01:11:52
○NSns1.tmdhosting610.com2016-06-18 → 2016-06-18 · 4 obs
● 2016-06-18 11:03:18
○ 2017-02-04 20:59:52
○ 2026-07-01 01:11:52
●NSns1.us18.tmd.cloud2026-03-13 → 2026-07-01 · 3 obs
● 2026-03-13 05:17:18
● 2026-07-01 01:11:52
●NSns2.s610.tmd.cloud2017-02-04 → 2026-07-01 · 3 obs
● 2017-02-04 20:59:52
● 2026-07-01 01:11:52
○NSns2.tmddedicated210.com2015-06-17 → 2016-01-23 · 4 obs
● 2016-01-23 00:59:24
○ 2016-06-18 11:03:18
○ 2026-07-01 01:11:52
○NSns2.tmdhosting610.com2016-06-18 → 2016-06-18 · 4 obs
● 2016-06-18 11:03:18
○ 2017-02-04 20:59:52
○ 2026-07-01 01:11:52
●NSns2.us18.tmd.cloud2026-03-13 → 2026-07-01 · 3 obs
● 2026-03-13 05:17:18
● 2026-07-01 01:11:52
○NSns3.tmdhosting610.com2016-06-18 → 2016-06-18 · 4 obs
● 2016-06-18 11:03:18
○ 2017-02-04 20:59:52
○ 2026-07-01 01:11:52
●MXmx1.tmdhosting.com2015-06-17 → 2026-07-01 · 2 obs
● 2026-07-01 01:11:52
●MXmx2.tmdhosting.com2015-06-17 → 2026-07-01 · 2 obs
● 2026-07-01 01:11:52
○A184.154.216.2462017-02-04 → 2019-02-04 · 5 obs
● 2017-02-04 20:59:52
● 2019-02-04 06:55:56
○ 2026-03-13 05:17:18
○ 2026-07-01 01:11:52
●A192.250.227.2532026-03-13 → 2026-07-01 · 3 obs
● 2026-03-13 05:17:18
● 2026-07-01 01:11:52
○A65.60.61.1512026-03-13 → 2026-07-01 · 2 obs
○ 2026-07-01 01:11:52
○A69.175.105.1702015-06-17 → 2016-01-23 · 4 obs
● 2016-01-23 00:59:24
○ 2016-06-18 11:03:18
○ 2026-07-01 01:11:52
○A69.175.41.2042016-06-18 → 2016-06-18 · 4 obs
● 2016-06-18 11:03:18
○ 2017-02-04 20:59:52
○ 2026-07-01 01:11:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| openclass.org | ns1.s610.tmd.cloud, ns2.s610.tmd.cloud | - |
✅ Authoritative Response
Server:13.248.158.180
NS records: ns1.s610.tmd.cloud, ns2.s610.tmd.cloud
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openclass.org (unsigned zone)
⏱️ Timing
Total: 342ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.250.227.253 |
| NS | 2 | ns2.us18.tmd.cloud, ns1.us18.tmd.cloud |
| MX | 2 | mx2.tmdhosting.com (pri: 20), mx1.tmdhosting.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:192.250.227.253 inclu |
| SOA | 1 | ns1.us18.tmd.cloud servers.mysecurecloud |
Analysis
IP Addresses
openclass.org resolves to just one IP address, 192.250.227.253.
Two other host names, along with mail.hardfunded.com, regalosypromocionales.com and mail.theonegroup.co.za, also share IP numbers with openclass.org.
Name Servers
The NS records for openclass.org point to four name servers: ns1.s610.tmd.cloud, ns2.s610.tmd.cloud, ns1.us18.tmd.cloud and ns2.us18.tmd.cloud.
The name servers of openclass.org overlap at least partially with those of other domains — among them gottmancouplesretreats.com, scopewell.com, variedi.com and two more.
These name servers commonly appear in delegations together with ns1.a2hosting.com, ns2.a2hosting.com, ns4.a2hosting.com and 7 other.
ns1.s610.tmd.cloud, ns1.us18.tmd.cloud and ns2.us18.tmd.cloud share IP address 13.248.158.180. ns2.s610.tmd.cloud has a distinct IP address, 75.2.118.134. All four hosts have exactly one IP address each.
Each of ns1.s610.tmd.cloud, ns1.us18.tmd.cloud and ns2.us18.tmd.cloud resolves to 13.248.158.180.
Mail Servers
openclass.org is served by two mail servers, mx1.tmdhosting.com and mx2.tmdhosting.com.
Among the domains sharing a mail server setup with openclass.org are kentoo.co.ke, cybleague.ru, reccadba.ro and two others.
There is at least a partial overlap in mail servers between openclass.org and other domains like intranetgo.org, hesatech.com and salon360nc.com.
Both mx1.tmdhosting.com and mx2.tmdhosting.com have a single IP address each — mx1.tmdhosting.com resolves to 108.178.0.170 while mx2.tmdhosting.com resolves to 198.143.161.162.