coursefromscratch.com - robtex.com

coursefromscratch.com

DNSSEC⚠️ Not signed
A2606:4700::6810:cc2🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700::6810:dc2🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700::6810:ec2🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700::6810:fc2🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700::6810:10c2🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.16.12.194Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.16.13.194Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.16.14.194Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.16.15.194Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.16.16.194Cloudflare104.16.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSterin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A2803:f800:50::6ca2:c1ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRterin.ns.cloudflare.com
A2a06:98c1:50::ac40:21ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRterin.ns.cloudflare.com
A108.162.193.236🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A172.64.33.236🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A173.245.59.236🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
NSzelda.ns.cloudflare.com
A2606:4700:50::adf5:3af2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
A2803:f800:50::6ca2:c0f2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzelda.ns.cloudflare.com
A2a06:98c1:50::ac40:20f2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzelda.ns.cloudflare.com
A108.162.192.242🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
A172.64.32.242🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
A173.245.58.242🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
MXeforward1.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com ⭐
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTgoogle-site-verification=PRFT7EnSho8WdPONZDxJaqURiyyRMOKJIK8QN8_E4c4
TXTgoogle-site-verification=h1oAw6xCSddJG-fo4u2-2qjoio5tpBOcRDzzWv8MYzE
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
SOAterin.ns.cloudflare.comdns@cloudflare.com serial=2401066642

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=1778474561

Subdomains

join.coursefromscratch.com

Same first word

coursefromscratch.com

DNS History

21 records (17 active, 4 former)

2017201820192020202120222023202420252026NSterin.ns.cloudflare.comzelda.ns.cloudflare.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA104.16.12.194104.16.13.194104.16.14.194104.16.15.194104.16.16.1942606:4700::6810:10c22606:4700::6810:cc22606:4700::6810:dc22606:4700::6810:ec22606:4700::6810:fc2104.18.52.82104.18.53.822400:cb00:2048:1::6812:34522400:cb00:2048:1::6812:3552
●NSterin.ns.cloudflare.com2016-12-15 → 2026-05-11 · 2 obs
● 2016-12-15 23:42:52
● 2026-05-11 05:11:20
●NSzelda.ns.cloudflare.com2016-12-15 → 2026-05-11 · 2 obs
● 2016-12-15 23:42:52
● 2026-05-11 05:11:20
●MXeforward1.registrar-servers.com2016-12-15 → 2026-05-11 · 2 obs
● 2016-12-15 23:42:52
● 2026-05-11 05:11:20
●MXeforward2.registrar-servers.com2016-12-15 → 2026-05-11 · 2 obs
● 2016-12-15 23:42:52
● 2026-05-11 05:11:20
●MXeforward3.registrar-servers.com2016-12-15 → 2026-05-11 · 2 obs
● 2016-12-15 23:42:52
● 2026-05-11 05:11:20
●MXeforward4.registrar-servers.com2016-12-15 → 2026-05-11 · 2 obs
● 2016-12-15 23:42:52
● 2026-05-11 05:11:20
●MXeforward5.registrar-servers.com2016-12-15 → 2026-05-11 · 2 obs
● 2016-12-15 23:42:52
● 2026-05-11 05:11:20
●A104.16.12.1942026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A104.16.13.1942026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A104.16.14.1942026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A104.16.15.1942026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A104.16.16.1942026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
○A104.18.52.822016-12-15 → 2017-11-06 · 4 obs
● 2016-12-15 23:42:52
● 2017-11-06 04:55:16
○ 2026-04-01 20:27:04
○ 2026-05-11 05:11:20
○A104.18.53.822016-12-15 → 2017-11-06 · 4 obs
● 2016-12-15 23:42:52
● 2017-11-06 04:55:16
○ 2026-04-01 20:27:04
○ 2026-05-11 05:11:20
○A2400:cb00:2048:1::6812:34522016-12-15 → 2017-11-06 · 4 obs
● 2016-12-15 23:42:52
● 2017-11-06 04:55:16
○ 2026-04-01 20:27:04
○ 2026-05-11 05:11:20
○A2400:cb00:2048:1::6812:35522016-12-15 → 2017-11-06 · 4 obs
● 2016-12-15 23:42:52
● 2017-11-06 04:55:16
○ 2026-04-01 20:27:04
○ 2026-05-11 05:11:20
●A2606:4700::6810:10c22026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A2606:4700::6810:cc22026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A2606:4700::6810:dc22026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A2606:4700::6810:ec22026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20
●A2606:4700::6810:fc22026-04-01 → 2026-05-11 · 3 obs
○ 2017-11-06 04:55:16
● 2026-04-01 20:27:04
● 2026-05-11 05:11:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...-
coursefromscratch.comzelda.ns.cloudflare.com, terin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.236

NS records: zelda.ns.cloudflare.com, terin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursefromscratch.com (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

TypeCountSample Data
A5104.16.13.194, 104.16.12.194...
AAAA52606:4700::6810:ec2, 2606:4700::6810:cc2...
NS2terin.ns.cloudflare.com, zelda.ns.cloudflare.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT3google-site-verification=PRFT7EnSho8WdPO, google-site-verification=h1oAw6xCSddJG-f...
SOA1terin.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of join.coursefromscratch.com is coursefromscratch.com.

IP Addresses

Ten IP numbers are pointed to by coursefromscratch.com: 2606:4700::6810:cc2, 2606:4700::6810:dc2, 2606:4700::6810:ec2, 2606:4700::6810:fc2, 2606:4700::6810:10c2, 104.16.12.194, 104.16.13.194, 104.16.14.194, 104.16.15.194 and 104.16.16.194.

other host names include cleancars.ch, successleftaclue.com, tyehillam.com, www.attarget.clickfunnels.com and pristineimagehealthandwellness.com; they share IP numbers with coursefromscratch.com.

Name Servers

Two name servers terin.ns.cloudflare.com and zelda.ns.cloudflare.com handle the delegation for coursefromscratch.com.

coursefromscratch.com shares the same name server setup as other domains, for instance sportcyclades.gr, tolvdesk.com, queroficarmagra.com, engeservice.com.br and tvoimir.tv.

coursefromscratch.com at least partially shares name servers with other domains, for instance etiquette.pro, musang178ui.site, cd-dvd.com.cn, pharmfast24.com and datingdirectorylist.com.

These name servers are commonly used with the following: fred.ns.cloudflare.com, izabella.ns.cloudflare.com, rosa.ns.cloudflare.com and arvind.ns.cloudflare.com.

Six IP addresses per host:

terin.ns.cloudflare.com points to 2606:4700:58::adf5:3bec, 2803:f800:50::6ca2:c1ec, 2a06:98c1:50::ac40:21ec, 108.162.193.236, 172.64.33.236 and 173.245.59.236; zelda.ns.cloudflare.com points to 2606:4700:50::adf5:3af2, 2803:f800:50::6ca2:c0f2, 2a06:98c1:50::ac40:20f2, 108.162.192.242, 172.64.32.242 and 173.245.58.242

Mail Servers

coursefromscratch.com is served by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

coursefromscratch.com shares at least partially some mail servers with other domains, for instance spaceisgreat.com, djluke.info, surfcitythepoint.com, strongtowerco.com and doulawebdesign.com.

Host names mapped to a single IP:

eforward1.registrar-servers.com resolves to 162.255.118.51

eforward2.registrar-servers.com resolves to 162.255.118.52

eforward3.registrar-servers.com resolves to 162.255.118.51

eforward4.registrar-servers.com resolves to 162.255.118.52

eforward5.registrar-servers.com resolves to 162.255.118.51

Host names resolving to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com

Host names resolving to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com