smartlectures.com - dns.ninja
smartlectures.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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=1786059999 | ||||||
Subdomains
mail.smartlectures.com |
Same first word
smartlectures.com |
Similar names
mastercluster.com |
clustermaster.co.za |
mastercluster.de |
clustermaster.de |
streamcluster.com |
mastercluster.es |
mastercutlers.com |
mastercluster.net |
DNS History
31 records (4 active, 27 former)
●NSns1.afternic.com2026-02-25 → 2026-08-07 · 3 obs
○ 2017-05-25 20:30:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
○NSns1.dsredirection.com2016-09-21 → 2017-05-25 · 5 obs
○ 2016-07-18 02:44:58
● 2016-09-21 12:36:50
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
● 2016-09-21 12:36:50
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
○NSns1.evanzo.com2015-08-12 → 2015-12-19 · 5 obs
○ 2008-03-14 16:47:24
● 2015-08-12 17:24:14
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
● 2015-08-12 17:24:14
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
○NSns1.metaregistrar.nl2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 16:47:24
○ 2015-08-12 17:24:14
○ 2026-08-07 00:00:58
○ 2015-08-12 17:24:14
○ 2026-08-07 00:00:58
○NSns1.namebrightdns.com2016-03-13 → 2016-03-13 · 4 obs
○ 2015-12-19 10:09:52
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
○NSns1.sedoparking.com2016-07-18 → 2016-07-18 · 4 obs
○ 2016-03-13 11:09:16
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
○NSns12.evanzo.de2015-08-12 → 2015-12-19 · 5 obs
○ 2008-03-14 16:47:24
● 2015-08-12 17:24:14
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
● 2015-08-12 17:24:14
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
●NSns2.afternic.com2026-02-25 → 2026-08-07 · 3 obs
○ 2017-05-25 20:30:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
○NSns2.dsredirection.com2016-09-21 → 2017-05-25 · 5 obs
○ 2016-07-18 02:44:58
● 2016-09-21 12:36:50
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
● 2016-09-21 12:36:50
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
○NSns2.metaregistrar.nl2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 16:47:24
○ 2015-08-12 17:24:14
○ 2026-08-07 00:00:58
○ 2015-08-12 17:24:14
○ 2026-08-07 00:00:58
○NSns2.namebrightdns.com2016-03-13 → 2016-03-13 · 4 obs
○ 2015-12-19 10:09:52
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
○NSns2.sedoparking.com2016-07-18 → 2016-07-18 · 4 obs
○ 2016-03-13 11:09:16
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
○MX.2026-02-25 → 2026-08-07 · 2 obs
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
○ 2026-08-07 00:00:58
○MXmail.nickstel.com2016-07-18 → 2016-07-18 · 4 obs
○ 2016-03-13 11:09:16
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
○MXmail.smartlectures.com2008-03-14 → 2015-12-19 · 4 obs
● 2008-03-14 16:47:24
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
○MXmail1.namebrightmail.com2016-03-13 → 2016-03-13 · 4 obs
○ 2015-12-19 10:09:52
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
○MXmail2.namebrightmail.com2016-03-13 → 2016-03-13 · 4 obs
○ 2015-12-19 10:09:52
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
●A13.248.169.482026-02-25 → 2026-08-07 · 3 obs
○ 2017-05-25 20:30:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
○A208.73.210.2002016-09-21 → 2016-11-25 · 5 obs
○ 2016-07-18 02:44:58
● 2016-09-21 12:36:50
● 2016-11-25 04:22:08
○ 2017-05-25 20:30:58
○ 2026-08-07 00:00:58
● 2016-09-21 12:36:50
● 2016-11-25 04:22:08
○ 2017-05-25 20:30:58
○ 2026-08-07 00:00:58
○A208.73.210.2022017-05-25 → 2017-05-25 · 4 obs
○ 2016-11-25 04:22:08
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
○A208.73.210.2142016-09-21 → 2016-11-25 · 5 obs
○ 2016-07-18 02:44:58
● 2016-09-21 12:36:50
● 2016-11-25 04:22:08
○ 2017-05-25 20:30:58
○ 2026-08-07 00:00:58
● 2016-09-21 12:36:50
● 2016-11-25 04:22:08
○ 2017-05-25 20:30:58
○ 2026-08-07 00:00:58
○A208.73.210.2172016-09-21 → 2017-05-25 · 5 obs
○ 2016-07-18 02:44:58
● 2016-09-21 12:36:50
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
● 2016-09-21 12:36:50
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
○A208.73.211.1652017-05-25 → 2017-05-25 · 4 obs
○ 2016-11-25 04:22:08
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
○A208.73.211.1772017-05-25 → 2017-05-25 · 4 obs
○ 2016-11-25 04:22:08
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
○A208.73.211.1782016-09-21 → 2016-11-25 · 5 obs
○ 2016-07-18 02:44:58
● 2016-09-21 12:36:50
● 2016-11-25 04:22:08
○ 2017-05-25 20:30:58
○ 2026-08-07 00:00:58
● 2016-09-21 12:36:50
● 2016-11-25 04:22:08
○ 2017-05-25 20:30:58
○ 2026-08-07 00:00:58
○A54.175.122.202016-03-13 → 2016-03-13 · 4 obs
○ 2015-12-19 10:09:52
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
● 2016-03-13 11:09:16
○ 2016-07-18 02:44:58
○ 2026-08-07 00:00:58
○A72.52.4.1192016-07-18 → 2016-07-18 · 4 obs
○ 2016-03-13 11:09:16
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
● 2016-07-18 02:44:58
○ 2016-09-21 12:36:50
○ 2026-08-07 00:00:58
●A76.223.54.1462026-02-25 → 2026-08-07 · 3 obs
○ 2017-05-25 20:30:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
● 2026-02-25 13:30:26
● 2026-08-07 00:00:58
○A81.4.97.1482008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 16:47:24
○ 2015-08-12 17:24:14
○ 2026-08-07 00:00:58
○ 2015-08-12 17:24:14
○ 2026-08-07 00:00:58
○A87.238.192.2122015-08-12 → 2015-12-19 · 5 obs
○ 2008-03-14 16:47:24
● 2015-08-12 17:24:14
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
● 2015-08-12 17:24:14
● 2015-12-19 10:09:52
○ 2016-03-13 11:09:16
○ 2026-08-07 00:00:58
○PTRns1.dsredirection.com2016-11-12 → 2017-05-25 · 4 obs
● 2016-11-12 21:50:12
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
● 2017-05-25 20:30:58
○ 2026-02-25 13:30:26
○ 2026-08-07 00:00:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| smartlectures.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartlectures.com (unsigned zone)
⏱️ Timing
Total: 206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
Hierarchy
smartlectures.com is the parent zone for mail.smartlectures.com.
IP Addresses
smartlectures.com directs to two IP numbers, 13.248.169.48 and 76.223.54.146
Additional host names — sitessale.com, www.interio.info, mail.tricountylandscape.com and two others — share IP numbers with smartlectures.com.
Name Servers
smartlectures.com has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.
smartlectures.com shares its name server setup with other domains, including easytel.org, vfxsystems.com, *.stopsmokingfreeelectroniccigarettes.publicsets.com and two others.
smartlectures.com partially shares its NS delegation with several other domains, including goalowl.com, muzika.co, sesterz.com and two others.
In DNS configurations, these name servers often share authority with ns1.atom.com, ns2.atom.com, ns1.sedoparking.com and 3 other name servers.
Both ns1.afternic.com and ns2.afternic.com have two IP addresses each. ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45.