electronics-course.com - dns.ninja

electronics-course.com

DNSSEC⚠️ Not signed
A146.190.57.15🇺🇸 DIGITALOCEAN146.190.32.0/19 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
TXTgoogle-site-verification=FLgMOr4fCSS6ZHldFPve5zZKcnse9gAXRCCysz2SrJE
TXTgoogle-site-verification=zh7FmdLrfbBUa5w76BY2YXqKYLP0X-aBcXx4xM7cqt0
SOAns1.digitalocean.comhostmaster@electronics-course.com serial=0

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=1785821237
WOT: SAFE (73/100)

PTR for

152.78.198.143.in-addr.arpa

Subdomains

www.electronics-course.com

Same first word

electronics-course.com

Similar names

source-electronics.co.uk
electronics-source.com
electronic-sources.com
source-electronics.com

DNS History

16 records (4 active, 12 former)

20162017201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comdns1.registrar-servers.comdns2.registrar-servers.comdns3.registrar-servers.comdns4.registrar-servers.comdns5.registrar-servers.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA146.190.57.15143.198.78.152198.199.107.8
○NSdns1.registrar-servers.com2016-04-04 → 2016-11-20 · 5 obs
○ 2015-12-31 15:36:40
● 2016-04-04 08:09:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22
○NSdns2.registrar-servers.com2016-04-04 → 2016-11-20 · 5 obs
○ 2015-12-31 15:36:40
● 2016-04-04 08:09:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22
○NSdns3.registrar-servers.com2016-04-04 → 2016-04-04 · 4 obs
○ 2015-12-31 15:36:40
● 2016-04-04 08:09:00
○ 2016-11-20 06:08:30
○ 2026-08-04 05:47:22
○NSdns4.registrar-servers.com2016-04-04 → 2016-04-04 · 4 obs
○ 2015-12-31 15:36:40
● 2016-04-04 08:09:00
○ 2016-11-20 06:08:30
○ 2026-08-04 05:47:22
○NSdns5.registrar-servers.com2016-04-04 → 2016-04-04 · 4 obs
○ 2015-12-31 15:36:40
● 2016-04-04 08:09:00
○ 2016-11-20 06:08:30
○ 2026-08-04 05:47:22
●NSns1.digitalocean.com2015-05-25 → 2026-08-04 · 6 obs
● 2015-05-25 07:54:00
● 2015-12-31 15:36:40
○ 2016-04-04 08:09:00
○ 2016-11-20 06:08:30
● 2026-02-24 21:50:02
● 2026-08-04 05:47:22
●NSns2.digitalocean.com2015-05-25 → 2026-08-04 · 6 obs
● 2015-05-25 07:54:00
● 2015-12-31 15:36:40
○ 2016-04-04 08:09:00
○ 2016-11-20 06:08:30
● 2026-02-24 21:50:02
● 2026-08-04 05:47:22
●NSns3.digitalocean.com2026-02-24 → 2026-08-04 · 3 obs
○ 2016-11-20 06:08:30
● 2026-02-24 21:50:02
● 2026-08-04 05:47:22
○MXalt1.aspmx.l.google.com2015-05-25 → 2016-11-20 · 4 obs
● 2015-05-25 07:54:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22
○MXalt2.aspmx.l.google.com2015-05-25 → 2016-11-20 · 4 obs
● 2015-05-25 07:54:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22
○MXaspmx.l.google.com2015-05-25 → 2016-11-20 · 4 obs
● 2015-05-25 07:54:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22
○MXaspmx2.googlemail.com2015-05-25 → 2016-11-20 · 4 obs
● 2015-05-25 07:54:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22
○MXaspmx3.googlemail.com2015-05-25 → 2016-11-20 · 4 obs
● 2015-05-25 07:54:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22
○A143.198.78.1522026-02-24 → 2026-04-22 · 5 obs
○ 2016-11-20 06:08:30
● 2026-02-24 21:50:02
● 2026-04-22 13:44:00
○ 2026-07-08 17:36:54
○ 2026-08-04 05:47:22
●A146.190.57.152026-07-08 → 2026-08-04 · 3 obs
○ 2026-04-22 13:44:00
● 2026-07-08 17:36:54
● 2026-08-04 05:47:22
○A198.199.107.82015-05-25 → 2016-11-20 · 4 obs
● 2015-05-25 07:54:00
● 2016-11-20 06:08:30
○ 2026-02-24 21:50:02
○ 2026-08-04 05:47:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...-
electronics-course.comns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com3 records

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for electronics-course.com (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

TypeCountSample Data
A1146.190.57.15
NS3ns2.digitalocean.com, ns1.digitalocean.com...
TXT2google-site-verification=FLgMOr4fCSS6ZHl, google-site-verification=zh7FmdLrfbBUa5w
SOA1ns1.digitalocean.com hostmaster.electron

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

Hierarchy

electronics-course.com serves as the parent of www.electronics-course.com.

IP Addresses

electronics-course.com has exactly one IP address — 146.190.57.15.

Additional host names — including sensor-cloud.com and singaporetours.com.sg — share IP numbers with electronics-course.com.

Name Servers

electronics-course.com carries NS records delegating to ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

electronics-course.com has at least partial name server overlap with other domains, such as nerdbusiness.com, maygutyak.com, paginasingeniosas.com and two others.

ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com are three hostnames that each resolve to a pair of IP addresses: ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.