thelessonroom.com - robtex.com
thelessonroom.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | udns1.ultradns.net ⭐ | ||||||
| A | 2001:502:f3ff::d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| A | 204.69.234.1🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| NS | udns2.ultradns.net | ||||||
| A | 2610:a1:1014::d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
| A | 204.74.101.1🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | udns1.ultradns.netnetadmin@daddario.com 2011-05-09 #32 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782217610 | ||||||
Same first word
thelessonroom.com |
Similar names
DNS History
4 records (3 active, 1 former)
●NSudns1.ultradns.net2015-04-22 → 2026-06-23 · 2 obs
● 2026-06-23 12:43:26
●NSudns2.ultradns.net2015-04-22 → 2026-06-23 · 2 obs
● 2026-06-23 12:43:26
●A204.74.99.1002026-05-05 → 2026-06-23 · 3 obs
● 2026-05-05 19:19:38
● 2026-06-23 12:43:26
○A54.85.143.512015-04-22 → 2017-08-07 · 4 obs
● 2017-08-07 11:55:18
○ 2026-05-05 19:19:38
○ 2026-06-23 12:43:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net... | - |
| thelessonroom.com | udns1.ultradns.net, udns2.ultradns.net | - |
✅ Authoritative Response
Server:204.69.234.1
NS records: udns1.ultradns.net, udns2.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thelessonroom.com (unsigned zone)
⏱️ Timing
Total: 278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 2 | udns1.ultradns.net, udns2.ultradns.net |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | udns1.ultradns.net netadmin.daddario.com |
Analysis
IP Addresses
thelessonroom.com points to a single IP number: 204.74.99.100.
Additional host names — kevlar.dk, reagroup.com, lloyds.si and two others — share IP numbers with thelessonroom.com.
Name Servers
thelessonroom.com is served by two delegated name servers, udns1.ultradns.net and udns2.ultradns.net.
thelessonroom.com shares its name server setup with other domains, including nfl.mobi, 92.37.104.in-addr.arpa, 49ers.com and two others.
The name servers of thelessonroom.com overlap at least partially with those of other domains — among them merchantonegateway.com, firemen.com, cheesecakerewards.com and two more.
These name servers commonly appear in delegations together with pdns1.ultradns.net, pdns2.ultradns.net, pdns4.ultradns.org and 5 other.
Each of the two host names carries two IP addresses: udns1.ultradns.net points to 204.69.234.1 and 2001:502:f3ff::d, and udns2.ultradns.net points to 204.74.101.1 and 2610:a1:1014::d.