smartleby.com - robtex.com
smartleby.com
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=1771291435 | ||||||
Same first word
smartleby.com |
Similar names
DNS History
12 records (4 active, 8 former)
○NSns29.worldnic.com2008-03-14 → 2008-03-14 · 3 obs
○ 2015-10-28 16:43:56
○ 2026-03-23 07:02:42
○NSns30.worldnic.com2008-03-14 → 2008-03-14 · 3 obs
○ 2015-10-28 16:43:56
○ 2026-03-23 07:02:42
●NSns43.domaincontrol.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 07:02:42
●NSns44.domaincontrol.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 07:02:42
○NSpdns05.domaincontrol.com2015-10-28 → 2017-02-10 · 4 obs
● 2015-10-28 16:43:56
● 2017-02-10 19:08:58
○ 2026-03-23 07:02:42
○NSpdns06.domaincontrol.com2015-10-28 → 2017-02-10 · 4 obs
● 2015-10-28 16:43:56
● 2017-02-10 19:08:58
○ 2026-03-23 07:02:42
○MXmailstore1.secureserver.net2015-10-28 → 2017-02-10 · 3 obs
● 2017-02-10 19:08:58
○ 2026-03-23 07:02:42
●MXsmartleby-com.mail.protection.outlook.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 07:02:42
○MXsmtp.secureserver.net2015-10-28 → 2017-02-10 · 3 obs
● 2017-02-10 19:08:58
○ 2026-03-23 07:02:42
○A184.168.221.402015-10-28 → 2017-02-10 · 4 obs
● 2015-10-28 16:43:56
● 2017-02-10 19:08:58
○ 2026-03-23 07:02:42
○A209.62.20.2112008-03-14 → 2008-03-14 · 3 obs
○ 2015-10-28 16:43:56
○ 2026-03-23 07:02:42
●A34.111.179.2082026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 07:02:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| smartleby.com | ns43.domaincontrol.com, ns44.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartleby.com (unsigned zone)
⏱️ Timing
Total: 108ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.111.179.208 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 1 | smartleby-com.mail.protection.outlook.co |
| TXT | 2 | NETORGFT20189763.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)
Analysis
IP Addresses
smartleby.com points to an IP address: 34.111.179.208.
other host names include deesdollys.com, trlearn.com, babycryai.com, medical.ke and aolxrp.com; they share IP numbers with smartleby.com.
Name Servers
Two name servers ns43.domaincontrol.com and ns44.domaincontrol.com handle the delegation for smartleby.com.
smartleby.com shares the same name server setup as other domains, for instance quirkeweb.net, lifenart.net, seattlekitchenremodels.com, ctoddesign.com and saratogateaandhoney.com.
smartleby.com shares name servers with other domains at least partially, for example serviceitplus.com.
Host names with two IP numbers:
ns43.domaincontrol.com points to 2603:5:2152::16 and 97.74.101.22.
ns44.domaincontrol.com points to 2603:5:2252::16 and 173.201.69.22.
Mail Servers
smartleby.com is handled by a single mail server, smartleby-com.mail.protection.outlook.com.
Hostname smartleby-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c803::, 2a01:111:f403:f903::, 2a01:111:f403:f905::3, 2a01:111:f403:f908::, 52.101.41.54, 52.101.42.18, 52.101.50.4 and 52.101.194.4.