smartlectures.com - dns.ninja

smartlectures.com

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns2.afternic.com
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786109814

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)

200920112013201520172019202120232025NSns1.afternic.comns2.afternic.comns1.dsredirection.comns1.evanzo.comns1.metaregistrar.nlns1.namebrightdns.comns1.sedoparking.comns12.evanzo.dens2.dsredirection.comns2.metaregistrar.nlns2.namebrightdns.comns2.sedoparking.comMX.mail.nickstel.commail.smartlectures.commail1.namebrightmail.commail2.namebrightmail.comA13.248.169.4876.223.54.146208.73.210.200208.73.210.202208.73.210.214208.73.210.217208.73.211.165208.73.211.177208.73.211.17854.175.122.2072.52.4.11981.4.97.14887.238.192.212PTRns1.dsredirection.com
●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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
●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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○MX.2026-02-25 → 2026-08-07 · 2 obs
○ 2026-02-25 13:30:26
○ 2026-08-07 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
●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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12
●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 14:01:12
○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 14:01:12
○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 14:01:12
○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 14:01:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
smartlectures.comns1.afternic.com, ns2.afternic.com4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartlectures.com (unsigned zone)

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns2.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.