mecourses.com - dns.ninja

mecourses.com

DNSSEC⚠️ Not signed
A104.21.51.16Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.245🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdora.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a6c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
A2803:f800:50::6ca2:c06c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdora.ns.cloudflare.com
A2a06:98c1:50::ac40:206c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdora.ns.cloudflare.com
A108.162.192.108🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
A172.64.32.108🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
A173.245.58.108🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdora.ns.cloudflare.com
NSseth.ns.cloudflare.com
A2606:4700:58::adf5:3b8e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
A2803:f800:50::6ca2:c18e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRseth.ns.cloudflare.com
A2a06:98c1:50::ac40:218e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRseth.ns.cloudflare.com
A108.162.193.142🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
A172.64.33.142🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
A173.245.59.142🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.51.16, 172.67.217.245
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOAdora.ns.cloudflare.comdns@cloudflare.com serial=2410044012

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=1784949817

Same first word

mecourses.org
mecourses.com

Similar names

musescore.com
emssource.com
scoremuse.com
seurcomes.qpon
omsrescue.com
somsecure.com
recomuses.com
musescore.de
musescore.it
smesource.com
cosmesure.com
mesources.com
musescore.cn
musescore.org
semsource.com.mx
ocresumes.com
sourcesem.com
musescore.net
musescore.eu
emcourses.com
semsource.com
emscourse.com
coursesme.com

DNS History

23 records (4 active, 19 former)

20162017201820192020202120222023202420252026NSdora.ns.cloudflare.comseth.ns.cloudflare.comns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.compdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukA104.21.51.16172.67.217.2452001:4860:4802:32::152001:4860:4802:34::152001:4860:4802:36::152001:4860:4802:38::15216.239.32.21216.239.34.21216.239.36.21216.239.38.2172.52.4.95
●NSdora.ns.cloudflare.com2026-02-16 → 2026-07-25 · 3 obs
○ 2017-03-21 15:29:42
● 2026-02-16 04:27:12
● 2026-07-25 03:46:46
○NSns-cloud-b1.googledomains.com2016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○NSns-cloud-b2.googledomains.com2016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○NSns-cloud-b3.googledomains.com2016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○NSns-cloud-b4.googledomains.com2016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○NSpdns1.ultradns.net2015-07-22 → 2015-07-22 · 3 obs
● 2015-07-22 09:16:38
○ 2015-11-24 04:09:36
○ 2026-07-25 03:46:46
○NSpdns2.ultradns.net2015-07-22 → 2015-07-22 · 3 obs
● 2015-07-22 09:16:38
○ 2015-11-24 04:09:36
○ 2026-07-25 03:46:46
○NSpdns3.ultradns.org2015-07-22 → 2015-07-22 · 3 obs
● 2015-07-22 09:16:38
○ 2015-11-24 04:09:36
○ 2026-07-25 03:46:46
○NSpdns4.ultradns.org2015-07-22 → 2015-07-22 · 3 obs
● 2015-07-22 09:16:38
○ 2015-11-24 04:09:36
○ 2026-07-25 03:46:46
○NSpdns5.ultradns.info2015-07-22 → 2015-07-22 · 3 obs
● 2015-07-22 09:16:38
○ 2015-11-24 04:09:36
○ 2026-07-25 03:46:46
○NSpdns6.ultradns.co.uk2015-07-22 → 2015-07-22 · 3 obs
● 2015-07-22 09:16:38
○ 2015-11-24 04:09:36
○ 2026-07-25 03:46:46
●NSseth.ns.cloudflare.com2026-02-16 → 2026-07-25 · 3 obs
○ 2017-03-21 15:29:42
● 2026-02-16 04:27:12
● 2026-07-25 03:46:46
●A104.21.51.162026-02-16 → 2026-07-25 · 3 obs
○ 2017-03-21 15:29:42
● 2026-02-16 04:27:12
● 2026-07-25 03:46:46
●A172.67.217.2452026-02-16 → 2026-07-25 · 3 obs
○ 2017-03-21 15:29:42
● 2026-02-16 04:27:12
● 2026-07-25 03:46:46
○A2001:4860:4802:32::152016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A2001:4860:4802:34::152016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A2001:4860:4802:36::152016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A2001:4860:4802:38::152016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A216.239.32.212016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A216.239.34.212016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A216.239.36.212016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A216.239.38.212016-02-11 → 2017-03-21 · 5 obs
○ 2015-11-24 04:09:36
● 2016-02-11 23:01:10
● 2017-03-21 15:29:42
○ 2026-02-16 04:27:12
○ 2026-07-25 03:46:46
○A72.52.4.952015-07-22 → 2015-07-22 · 3 obs
● 2015-07-22 09:16:38
○ 2015-11-24 04:09:36
○ 2026-07-25 03:46:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net...-
mecourses.comdora.ns.cloudflare.com, seth.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.108

NS records: dora.ns.cloudflare.com, seth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mecourses.com (unsigned zone)

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.217.245, 104.21.51.16
NS2dora.ns.cloudflare.com, seth.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dora.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mecourses.com resolves to the IP addresses 104.21.51.16 and 172.67.217.245

Among the host names that share IP numbers with mecourses.com are bit-journal.eu.cdn.cloudflare.net, mail.xinhaiwenkeji.com, server.pinaslotto.com and two others.

Name Servers

mecourses.com has two authoritative name servers — dora.ns.cloudflare.com and seth.ns.cloudflare.com.

mecourses.com has the same name server delegation as a number of other domains, such as chicagocatholic.com, 3whst.com, beta-design.co.il and two more.

mecourses.com has at least partial name server overlap with other domains, such as adverselyskilleddove.shop, 9mac.com, dktsf.buzz and two others.

Host names resolving to 6 IP numbers:

dora.ns.cloudflare.com points to 108.162.192.108, 172.64.32.108, 173.245.58.108 and 3 other IP addresses.

seth.ns.cloudflare.com points to 108.162.193.142, 172.64.33.142, 173.245.59.142 and 3 other IP addresses.