smartstudy.co - dns.ninja
smartstudy.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759719715 | ||||||
Previously MX for
smartstudy.co |
Subdomains
Same first word
smartstudy.es |
smartstudy.com |
smartstudy.no |
smartstudy.io |
smartstudy.org |
smartstudy.co.kr |
smartstudy.biz |
smartstudy.in |
smartstudy.de |
smartstudy.eu |
smartstudy.edu.az |
smartstudy.co |
Similar names
DNS History
18 records (8 active, 10 former)
○NSns1.1neclick.com2016-12-03 → 2017-10-28 · 5 obs
● 2016-12-03 18:10:06
● 2017-10-28 01:24:48
○ 2026-02-17 01:03:32
○ 2026-07-29 21:14:00
○NSns2.1neclick.com2016-12-03 → 2017-10-28 · 5 obs
● 2016-12-03 18:10:06
● 2017-10-28 01:24:48
○ 2026-02-17 01:03:32
○ 2026-07-29 21:14:00
●NSns31.domaincontrol.com2026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
●NSns32.domaincontrol.com2026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
○NSns69.domaincontrol.com2015-11-17 → 2016-03-28 · 4 obs
● 2016-03-28 03:11:50
○ 2016-12-03 18:10:06
○ 2026-07-29 21:14:00
○NSns70.domaincontrol.com2015-11-17 → 2016-03-28 · 4 obs
● 2016-03-28 03:11:50
○ 2016-12-03 18:10:06
○ 2026-07-29 21:14:00
●MXalt1.aspmx.l.google.com2026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
●MXalt2.aspmx.l.google.com2026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
●MXalt3.aspmx.l.google.com2026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
●MXalt4.aspmx.l.google.com2026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
●MXaspmx.l.google.com2026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
○MXmx.zoho.com2015-11-17 → 2016-03-28 · 4 obs
● 2016-03-28 03:11:50
○ 2016-12-03 18:10:06
○ 2026-07-29 21:14:00
○MXmx2.zoho.com2015-11-17 → 2016-03-28 · 4 obs
● 2016-03-28 03:11:50
○ 2016-12-03 18:10:06
○ 2026-07-29 21:14:00
○MXsmartstudy.co2016-12-03 → 2017-10-28 · 5 obs
● 2016-12-03 18:10:06
● 2017-10-28 01:24:48
○ 2026-02-17 01:03:32
○ 2026-07-29 21:14:00
●A162.214.80.792026-02-17 → 2026-07-29 · 3 obs
● 2026-02-17 01:03:32
● 2026-07-29 21:14:00
○A184.164.144.1332015-11-17 → 2015-11-17 · 3 obs
○ 2016-03-28 03:11:50
○ 2026-07-29 21:14:00
○A198.57.182.262016-12-03 → 2017-10-28 · 5 obs
● 2016-12-03 18:10:06
● 2017-10-28 01:24:48
○ 2026-02-17 01:03:32
○ 2026-07-29 21:14:00
○A66.7.219.1922016-03-28 → 2016-03-28 · 4 obs
● 2016-03-28 03:11:50
○ 2016-12-03 18:10:06
○ 2026-07-29 21:14:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| smartstudy.co | ns32.domaincontrol.com, ns31.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.73.16
NS records: ns32.domaincontrol.com, ns31.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartstudy.co (unsigned zone)
⏱️ Timing
Total: 399ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.214.80.79 |
| NS | 2 | ns31.domaincontrol.com, ns32.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 3 | v=spf1 include:dc-aa8e722993._spfm.smart, google-site-verification=qMASOLkGTzejjb2... |
| SOA | 1 | ns31.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
smartstudy.co serves as the parent of 100.smartstudy.co and cdn.smartstudy.co.
IP Addresses
smartstudy.co has exactly one IP address — 162.214.80.79.
sh030.webhostingservices.com, mail.marshaltools.com, mcbsemmaus.com plus two other host names have IP numbers in common with smartstudy.co.
Name Servers
DNS delegation for smartstudy.co points to two name servers: ns31.domaincontrol.com and ns32.domaincontrol.com.
The name server configuration of smartstudy.co is shared with other domains, for instance primrosesouthgilbert.com, shellbacktrans.com, curanv.com and two others.
ns31.domaincontrol.com directs to 97.74.105.16 and 2603:5:2191::10. ns32.domaincontrol.com directs to 173.201.73.16 and 2603:5:2291::10. Each host name carries two IP addresses.
Mail Servers
smartstudy.co has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by smartstudy.co are shared with other domains: senateoverseas.com, userpen.com, ns500693.ns500765.ns500699.ns500693.ns500693.ns500693.ns500734.ns500699.ns500693.ns500699.ns500588.ns500632.ns500632.ns500578.ns500110.dtrkdll.com and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 142.251.16.26 and 2607:f8b0:4004:c1f::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.