devcourse.com - dns.ninja

devcourse.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2ca2🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:c92f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.44.162Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.47🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaspen.ns.cloudflare.com ⭐
A2606:4700:50::a29f:266d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A2803:f800:50::6ca2:c26d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaspen.ns.cloudflare.com
A2a06:98c1:50::ac40:226d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaspen.ns.cloudflare.com
A108.162.194.109🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A162.159.38.109Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A172.64.34.109🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
NSgordon.ns.cloudflare.com
A2606:4700:58::adf5:3baa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A2803:f800:50::6ca2:c1aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgordon.ns.cloudflare.com
A2a06:98c1:50::ac40:21aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgordon.ns.cloudflare.com
A108.162.193.170🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A172.64.33.170🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A173.245.59.170🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
TXTgoogle-site-verification=DsNDksXcASvcA7m2u4CHufjO1TktNrU3CpF-qU663z8
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.44.162, 172.67.201.47
IPv6 hints2606:4700:3030::6815:2ca2, 2606:4700:3031::ac43:c92f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=197, name=cloudflare-ech.com
SOAaspen.ns.cloudflare.comdns@cloudflare.com serial=2408725909

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=1783458781

Same first word

devcourse.com

Similar names

sourceved.com
sourcedev.net
devsource.de
vescudero.com
sourcedev.info
vescudero.net
docuverse.org
docuserve.com
devsource.co
devsource.ch
devsource.info
devsource.net
devsource.co.uk
docuverse.de
coursedev.com
devsource.xyz
sourceved.blogspot.com
docuserve.net
docuverse.com
coursedev.biz
sourcedev.app
securevod.com
uscovered.com
devsource.com
docuverse.io

DNS History

35 records (6 active, 29 former)

20162017201820192020202120222023202420252026NSaspen.ns.cloudflare.comgordon.ns.cloudflare.comns-cloud-d1.googledomains.comns-cloud-d2.googledomains.comns-cloud-d3.googledomains.comns-cloud-d4.googledomains.comns1.namebrightdns.comns1.parkingcrew.netns2.namebrightdns.comns2.parkingcrew.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.h-email.netmail1.namebrightmail.commail2.namebrightmail.comA104.21.44.162172.67.201.472606:4700:3030::6815:2ca22606:4700:3031::ac43:c92f185.53.177.7188.114.96.0188.114.97.02600:1f18:4ae:c607:5974:bfa8:d54b:7fe52600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2606:4700:3031::6815:2ca22606:4700:3035::ac43:c92f2a06:98c1:3120::2a06:98c1:3121::44.208.83.18045.55.136.23054.84.240.23576.76.21.21
●NSaspen.ns.cloudflare.com2026-05-09 → 2026-07-07 · 3 obs
○ 2026-03-12 05:13:00
● 2026-05-09 20:06:36
● 2026-07-07 21:39:26
●NSgordon.ns.cloudflare.com2026-05-09 → 2026-07-07 · 3 obs
○ 2026-03-12 05:13:00
● 2026-05-09 20:06:36
● 2026-07-07 21:39:26
○NSns-cloud-d1.googledomains.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○NSns-cloud-d2.googledomains.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○NSns-cloud-d3.googledomains.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○NSns-cloud-d4.googledomains.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○NSns1.namebrightdns.com2026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
○NSns1.parkingcrew.net2015-08-19 → 2016-07-04 · 4 obs
● 2015-08-19 00:38:40
● 2016-07-04 20:31:08
○ 2017-02-10 17:30:50
○ 2026-07-07 21:39:26
○NSns2.namebrightdns.com2026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
○NSns2.parkingcrew.net2015-08-19 → 2016-07-04 · 4 obs
● 2015-08-19 00:38:40
● 2016-07-04 20:31:08
○ 2017-02-10 17:30:50
○ 2026-07-07 21:39:26
○MXalt1.aspmx.l.google.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○MXalt2.aspmx.l.google.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○MXalt3.aspmx.l.google.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○MXalt4.aspmx.l.google.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○MXaspmx.l.google.com2017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○MXmail.h-email.net2015-08-19 → 2016-07-04 · 4 obs
● 2015-08-19 00:38:40
● 2016-07-04 20:31:08
○ 2017-02-10 17:30:50
○ 2026-07-07 21:39:26
○MXmail1.namebrightmail.com2026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
○MXmail2.namebrightmail.com2026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
●A104.21.44.1622026-05-09 → 2026-07-07 · 5 obs
○ 2026-03-12 05:13:00
● 2026-05-09 20:06:36
○ 2026-07-02 21:20:36
● 2026-07-03 08:38:50
● 2026-07-07 21:39:26
●A172.67.201.472026-05-09 → 2026-07-07 · 5 obs
○ 2026-03-12 05:13:00
● 2026-05-09 20:06:36
○ 2026-07-02 21:20:36
● 2026-07-03 08:38:50
● 2026-07-07 21:39:26
○A185.53.177.72015-08-19 → 2016-07-04 · 4 obs
● 2015-08-19 00:38:40
● 2016-07-04 20:31:08
○ 2017-02-10 17:30:50
○ 2026-07-07 21:39:26
○A188.114.96.02026-07-02 → 2026-07-02 · 4 obs
○ 2026-07-02 09:44:22
● 2026-07-02 21:20:36
○ 2026-07-03 08:38:50
○ 2026-07-07 21:39:26
○A188.114.97.02026-07-02 → 2026-07-02 · 4 obs
○ 2026-07-02 09:44:22
● 2026-07-02 21:20:36
○ 2026-07-03 08:38:50
○ 2026-07-07 21:39:26
○A2600:1f18:4ae:c607:5974:bfa8:d54b:7fe52026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
○A2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
●A2606:4700:3030::6815:2ca22026-07-02 → 2026-07-07 · 5 obs
○ 2026-06-07 22:19:20
● 2026-07-02 09:44:22
○ 2026-07-02 21:20:36
● 2026-07-03 08:38:50
● 2026-07-07 21:39:26
○A2606:4700:3031::6815:2ca22026-05-09 → 2026-06-07 · 5 obs
○ 2026-03-12 05:13:00
● 2026-05-09 20:06:36
● 2026-06-07 22:19:20
○ 2026-07-02 09:44:22
○ 2026-07-07 21:39:26
●A2606:4700:3031::ac43:c92f2026-07-02 → 2026-07-07 · 5 obs
○ 2026-06-07 22:19:20
● 2026-07-02 09:44:22
○ 2026-07-02 21:20:36
● 2026-07-03 08:38:50
● 2026-07-07 21:39:26
○A2606:4700:3035::ac43:c92f2026-05-09 → 2026-06-07 · 5 obs
○ 2026-03-12 05:13:00
● 2026-05-09 20:06:36
● 2026-06-07 22:19:20
○ 2026-07-02 09:44:22
○ 2026-07-07 21:39:26
○A2a06:98c1:3120::2026-07-02 → 2026-07-02 · 4 obs
○ 2026-07-02 09:44:22
● 2026-07-02 21:20:36
○ 2026-07-03 08:38:50
○ 2026-07-07 21:39:26
○A2a06:98c1:3121::2026-07-02 → 2026-07-02 · 4 obs
○ 2026-07-02 09:44:22
● 2026-07-02 21:20:36
○ 2026-07-03 08:38:50
○ 2026-07-07 21:39:26
○A44.208.83.1802026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
○A45.55.136.2302017-02-10 → 2017-02-10 · 4 obs
○ 2016-07-04 20:31:08
● 2017-02-10 17:30:50
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26
○A54.84.240.2352026-03-12 → 2026-03-12 · 4 obs
○ 2017-02-10 17:30:50
● 2026-03-12 05:13:00
○ 2026-05-09 20:06:36
○ 2026-07-07 21:39:26
○A76.76.21.212026-03-12 → 2026-07-07 · 2 obs
○ 2026-03-12 05:13:00
○ 2026-07-07 21:39:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...-
devcourse.comgordon.ns.cloudflare.com, aspen.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.109

NS records: gordon.ns.cloudflare.com, aspen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devcourse.com (unsigned zone)

⏱️ Timing

Total: 168ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.201.47, 104.21.44.162
AAAA22606:4700:3031::ac43:c92f, 2606:4700:3030::6815:2ca2
NS2aspen.ns.cloudflare.com, gordon.ns.cloudflare.com
TXT1google-site-verification=DsNDksXcASvcA7m
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1aspen.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gordon.ns.cloudflare.com, gordon.ns.cloudflare.com, gordon.ns.cloudflare.com...)

Analysis

IP Addresses

devcourse.com has four IP addresses: 104.21.44.162, 172.67.201.47, 2606:4700:3030::6815:2ca2 and 2606:4700:3031::ac43:c92f.

Two other host names, along with lotusloungeandgrill.com, chombas.com and allaspectswaterproofing.com, also share IP numbers with devcourse.com.

Name Servers

The NS records for devcourse.com delegate to aspen.ns.cloudflare.com and gordon.ns.cloudflare.com.

devcourse.com shares its NS records with other domains, for example botboard.com, wingzab.com, mediabooth.com and two others.

devcourse.com partially shares its NS delegation with several other domains, including ynkdoor.com, israrealty.ru, ffive88.click and two others.

These name servers often co-occur with the name servers nash.ns.cloudflare.com.

DNS names with 6 IP addresses:

aspen.ns.cloudflare.com maps to 108.162.194.109, 162.159.38.109, 172.64.34.109 and 3 additional IP addresses.

gordon.ns.cloudflare.com maps to 108.162.193.170, 172.64.33.170, 173.245.59.170 and 3 additional IP addresses.