calcourse.com - dns.ninja

calcourse.com

CNAMEcalcourse.huanzhimao.com
CNAMEcalcourse.netlify.app
DNSSEC⚠️ Not signed
A2600:1f18:16e:df01::258🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:16e:df01::259🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A18.208.88.157🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
A98.84.224.111🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
HTTPSHTTP/2

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=1785196627

Same first word

calcourse.com
calcourse.netlify.app

Similar names

calsource.fr
calsource.com.au
carseculo.com
ocularsec.com
calsource.org
calsource.biz
calsource.name
clacourse.com
calsource.net
leosuccar.com
calsource.com
calsource.it
luccarose.com
locuscare.com
calsource.ca
lucerocas.com

DNS History

7 records (3 active, 4 former)

20162017201820192020202120222023202420252026NSaxis.dnspod.netsylvia.dnspod.netns57.worldnic.comns58.worldnic.comMXinbound.calcourse.com.netsolmail.netA206.188.193.141CNAMEcalcourse.huanzhimao.com
●NSaxis.dnspod.net2026-03-20 → 2026-07-28 · 3 obs
○ 2017-04-08 19:20:32
● 2026-03-20 00:17:28
● 2026-07-28 00:04:04
○NSns57.worldnic.com2015-07-18 → 2017-04-08 · 4 obs
● 2015-07-18 20:12:54
● 2017-04-08 19:20:32
○ 2026-03-20 00:17:28
○ 2026-07-28 00:04:04
○NSns58.worldnic.com2015-07-18 → 2017-04-08 · 4 obs
● 2015-07-18 20:12:54
● 2017-04-08 19:20:32
○ 2026-03-20 00:17:28
○ 2026-07-28 00:04:04
●NSsylvia.dnspod.net2026-03-20 → 2026-07-28 · 3 obs
○ 2017-04-08 19:20:32
● 2026-03-20 00:17:28
● 2026-07-28 00:04:04
○MXinbound.calcourse.com.netsolmail.net2015-07-18 → 2017-04-08 · 4 obs
● 2015-07-18 20:12:54
● 2017-04-08 19:20:32
○ 2026-03-20 00:17:28
○ 2026-07-28 00:04:04
○A206.188.193.1412015-07-18 → 2017-04-08 · 4 obs
● 2015-07-18 20:12:54
● 2017-04-08 19:20:32
○ 2026-03-20 00:17:28
○ 2026-07-28 00:04:04
●CNAMEcalcourse.huanzhimao.com2026-03-20 → 2026-07-28 · 2 obs
● 2026-03-20 00:17:28
● 2026-07-28 00:04:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
calcourse.comaxis.dnspod.net, sylvia.dnspod.net-

✅ Authoritative Response

Server:220.196.136.35

NS records: axis.dnspod.net, sylvia.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calcourse.com (unsigned zone)

⏱️ Timing

Total: 4553ms | Queries: -

📄 Records

TypeCountSample Data
NS2sylvia.dnspod.net, axis.dnspod.net
CNAME1calcourse.huanzhimao.com
SOA1axis.dnspod.net freednsadmin.dnspod.com

Analysis

IP Addresses

calcourse.com directs to four IP numbers, which are 18.208.88.157, 98.84.224.111, 2600:1f18:16e:df01::258 and 2600:1f18:16e:df01::259.

Additional host names — guilty.dk, reduxpay.com, auttask.com and two others — share IP numbers with calcourse.com.