courseandlabs.com - robtex.com

courseandlabs.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:941d:603c:10ae:a55b🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:bf7f:1555:7f7e:bc3d🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.87.120.121🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-87-120-121.compute-1.amazonaws.com
A54.87.219.199🇺🇸 Amazon54.87.0.0/16 EC2 IAD prefix
PTRec2-54-87-219-199.compute-1.amazonaws.com
A54.221.97.121🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix
PTRec2-54-221-97-121.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:b2bf:b486:f4a6:1954🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:ec0f:1ca0:2573:e629🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:f6dc:95b0:7323:b306🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.91.91.72🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-91-91-72.compute-1.amazonaws.com
A18.234.93.33🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix
PTRec2-18-234-93-33.compute-1.amazonaws.com
A54.83.120.249🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix
PTRec2-54-83-120-249.compute-1.amazonaws.com
A100.31.89.178🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix
PTRec2-100-31-89-178.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:3cec:428f:f959:bbcd🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:10ae:a73c:749e:ba96🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:3c36:edc7:3de8:7b2f🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:5021:20f8:8244:f353🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:7f99:e4a9:d944:4558🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A18.208.218.58🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-208-218-58.compute-1.amazonaws.com
A18.215.253.179🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-215-253-179.compute-1.amazonaws.com
A54.167.59.20🇺🇸 Amazon54.167.0.0/17
PTRec2-54-167-59-20.compute-1.amazonaws.com
A98.91.178.132🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix
PTRec2-98-91-178-132.compute-1.amazonaws.com
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
TXTv=spf1 -all
SOAns1.namebrightdns.comdns@namebright.com 2026-04-13 #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=1776108237

Same first word

courseandlabs.com

Similar names

dunbarsalesco.com

DNS History

18 records (7 active, 11 former)

2017201820192020202120222023202420252026NSns1.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comns-1042.awsdns-02.orgns-1659.awsdns-15.co.ukns-475.awsdns-59.comns-729.awsdns-27.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.19752.3.9.11352.73.172.206
○NSns-1042.awsdns-02.org2016-12-20 → 2018-01-02 · 4 obs
● 2016-12-20 23:17:54
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○NSns-1659.awsdns-15.co.uk2016-12-20 → 2018-01-02 · 4 obs
● 2016-12-20 23:17:54
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○NSns-475.awsdns-59.com2016-12-20 → 2018-01-02 · 4 obs
● 2016-12-20 23:17:54
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○NSns-729.awsdns-27.net2016-12-20 → 2018-01-02 · 4 obs
● 2016-12-20 23:17:54
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
●NSns1.namebrightdns.com2026-04-09 → 2026-04-13 · 3 obs
○ 2018-01-02 06:06:36
● 2026-04-09 20:23:54
● 2026-04-13 19:51:20
●NSnsg1.namebrightdns.com2026-04-09 → 2026-04-13 · 3 obs
○ 2018-01-02 06:06:36
● 2026-04-09 20:23:54
● 2026-04-13 19:51:20
●NSnsg2.namebrightdns.com2026-04-09 → 2026-04-13 · 3 obs
○ 2018-01-02 06:06:36
● 2026-04-09 20:23:54
● 2026-04-13 19:51:20
○MXalt1.aspmx.l.google.com2018-01-02 → 2018-01-02 · 3 obs
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○MXalt2.aspmx.l.google.com2018-01-02 → 2018-01-02 · 3 obs
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○MXalt3.aspmx.l.google.com2018-01-02 → 2018-01-02 · 3 obs
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○MXalt4.aspmx.l.google.com2018-01-02 → 2018-01-02 · 3 obs
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○MXaspmx.l.google.com2018-01-02 → 2018-01-02 · 3 obs
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
●A13.223.25.842026-04-09 → 2026-04-13 · 3 obs
○ 2018-01-02 06:06:36
● 2026-04-09 20:23:54
● 2026-04-13 19:51:20
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-09 → 2026-04-13 · 3 obs
○ 2018-01-02 06:06:36
● 2026-04-09 20:23:54
● 2026-04-13 19:51:20
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-09 → 2026-04-13 · 3 obs
○ 2018-01-02 06:06:36
● 2026-04-09 20:23:54
● 2026-04-13 19:51:20
○A52.3.9.1132018-01-02 → 2018-01-02 · 3 obs
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
○A52.73.172.2062018-01-02 → 2018-01-02 · 3 obs
● 2018-01-02 06:06:36
○ 2026-04-09 20:23:54
○ 2026-04-13 19:51:20
●A54.243.117.1972026-04-09 → 2026-04-13 · 3 obs
○ 2018-01-02 06:06:36
● 2026-04-09 20:23:54
● 2026-04-13 19:51:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
courseandlabs.comnsg1.namebrightdns.com, nsg2.namebrightdns.com16 records

✅ Authoritative Response

Server:18.208.218.58

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseandlabs.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

TypeCountSample Data
A213.223.25.84, 54.243.117.197
AAAA22600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb
NS2nsg1.namebrightdns.com, nsg2.namebrightdns.com
TXT2afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all
SOA1ns1.namebrightdns.com dns.namebright.com

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

courseandlabs.com maps to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names, for instance thefactology.com, yagattastream.com, saparchitect.com, g2.itechosting.com and takecontrol.co.uk share IP numbers with courseandlabs.com.

Name Servers

courseandlabs.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

courseandlabs.com partially shares name servers with other domains; examples include ahsue.com, theuticashale.com, learneye.com, 18e27.jsdcoffee.com and doreabbey.com.

These name servers are commonly used with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Nine IP numbers:

nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:3cec:428f:f959:bbcd, 2600:1f18:683a:ae1b:10ae:a73c:749e:ba96, 2600:1f18:683a:ae1b:3c36:edc7:3de8:7b2f, 2600:1f18:683a:ae1b:5021:20f8:8244:f353, 2600:1f18:683a:ae1b:7f99:e4a9:d944:4558, 18.208.218.58, 18.215.253.179, 54.167.59.20 and 98.91.178.132.

Seven IP numbers:

nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:b2bf:b486:f4a6:1954, 2600:1f18:683a:ae1a:ec0f:1ca0:2573:e629, 2600:1f18:683a:ae1a:f6dc:95b0:7323:b306, 3.91.91.72, 18.234.93.33, 54.83.120.249 and 100.31.89.178.

Five IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:941d:603c:10ae:a55b, 2600:1f18:683a:ae1b:bf7f:1555:7f7e:bc3d, 3.87.120.121, 54.87.219.199 and 54.221.97.121.