cmcourses.com - dns.ninja

cmcourses.com

DNSSEC⚠️ Not signed
A2606:4700::6810:966cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700::6810:976cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.16.150.108Cloudflare104.16.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.16.151.108Cloudflare104.16.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSelma.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a9aπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
A2803:f800:50::6ca2:c09aπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelma.ns.cloudflare.com
A2a06:98c1:50::ac40:209aπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRelma.ns.cloudflare.com
A108.162.192.154πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
A172.64.32.154πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
A173.245.58.154πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
NStheo.ns.cloudflare.com
A2606:4700:58::adf5:3b90πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtheo.ns.cloudflare.com
A2803:f800:50::6ca2:c190πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtheo.ns.cloudflare.com
A2a06:98c1:50::ac40:2190πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRtheo.ns.cloudflare.com
A108.162.193.144πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtheo.ns.cloudflare.com
A172.64.33.144πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtheo.ns.cloudflare.com
A173.245.59.144πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtheo.ns.cloudflare.com
TXTgoogle-site-verification=dG0ZtipGuDZWyWk-oMEkjvfRiNwVj_s4qNMRtZr_E6g
TXTv=spf1 include:emsd1.com include:_spf.google.com ~all
SOAelma.ns.cloudflare.comdns@cloudflare.com serial=2406408418

com

Same first word

Similar names

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSelma.ns.cloudflare.comtheo.ns.cloudflare.comns1.dnslink.comns111485.ztomy.comns2.dnslink.comns211485.ztomy.comMXmail.b-io.coA104.16.150.108104.16.151.1082606:4700::6810:966c2606:4700::6810:976c199.191.50.185209.15.13.134PTRns111485.ztomy.com
●NSelma.ns.cloudflare.com2026-03-27 β†’ 2026-07-31 Β· 3 obs
β—‹ 2018-11-23 16:27:12
● 2026-03-27 23:22:46
● 2026-07-31 20:42:00
β—‹NSns1.dnslink.com2015-05-05 β†’ 2016-06-28 Β· 4 obs
● 2015-05-05 04:41:36
● 2016-06-28 06:21:36
β—‹ 2017-02-13 01:42:58
β—‹ 2026-07-31 20:42:00
β—‹NSns111485.ztomy.com2018-11-23 β†’ 2018-11-23 Β· 4 obs
β—‹ 2017-02-13 01:42:58
● 2018-11-23 16:27:12
β—‹ 2026-03-27 23:22:46
β—‹ 2026-07-31 20:42:00
β—‹NSns2.dnslink.com2015-05-05 β†’ 2016-06-28 Β· 4 obs
● 2015-05-05 04:41:36
● 2016-06-28 06:21:36
β—‹ 2017-02-13 01:42:58
β—‹ 2026-07-31 20:42:00
β—‹NSns211485.ztomy.com2018-11-23 β†’ 2018-11-23 Β· 4 obs
β—‹ 2017-02-13 01:42:58
● 2018-11-23 16:27:12
β—‹ 2026-03-27 23:22:46
β—‹ 2026-07-31 20:42:00
●NStheo.ns.cloudflare.com2026-03-27 β†’ 2026-07-31 Β· 3 obs
β—‹ 2018-11-23 16:27:12
● 2026-03-27 23:22:46
● 2026-07-31 20:42:00
β—‹MXmail.b-io.co2015-05-05 β†’ 2016-06-28 Β· 4 obs
● 2015-05-05 04:41:36
● 2016-06-28 06:21:36
β—‹ 2017-02-13 01:42:58
β—‹ 2026-07-31 20:42:00
●A104.16.150.1082026-03-27 β†’ 2026-07-31 Β· 3 obs
β—‹ 2018-11-23 16:27:12
● 2026-03-27 23:22:46
● 2026-07-31 20:42:00
●A104.16.151.1082026-03-27 β†’ 2026-07-31 Β· 3 obs
β—‹ 2018-11-23 16:27:12
● 2026-03-27 23:22:46
● 2026-07-31 20:42:00
β—‹A199.191.50.1852018-11-23 β†’ 2018-11-23 Β· 4 obs
β—‹ 2017-02-13 01:42:58
● 2018-11-23 16:27:12
β—‹ 2026-03-27 23:22:46
β—‹ 2026-07-31 20:42:00
β—‹A209.15.13.1342015-05-05 β†’ 2016-06-28 Β· 4 obs
● 2015-05-05 04:41:36
● 2016-06-28 06:21:36
β—‹ 2017-02-13 01:42:58
β—‹ 2026-07-31 20:42:00
●A2606:4700::6810:966c2026-03-27 β†’ 2026-07-31 Β· 3 obs
β—‹ 2018-11-23 16:27:12
● 2026-03-27 23:22:46
● 2026-07-31 20:42:00
●A2606:4700::6810:976c2026-03-27 β†’ 2026-07-31 Β· 3 obs
β—‹ 2018-11-23 16:27:12
● 2026-03-27 23:22:46
● 2026-07-31 20:42:00
β—‹PTRns111485.ztomy.com2018-11-23 β†’ 2018-11-23 Β· 3 obs
● 2018-11-23 16:27:12
β—‹ 2026-03-27 23:22:46
β—‹ 2026-07-31 20:42:00

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cmcourses.comtheo.ns.cloudflare.com, elma.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.192.154

NS records: theo.ns.cloudflare.com, elma.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cmcourses.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.16.151.108, 104.16.150.108
AAAA22606:4700::6810:966c, 2606:4700::6810:976c
NS2elma.ns.cloudflare.com, theo.ns.cloudflare.com
TXT2google-site-verification=dG0ZtipGuDZWyWk, v=spf1 include:emsd1.com include:_spf.go
SOA1elma.ns.cloudflare.com dns.cloudflare.co

πŸ“Œ Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cmcourses.com directs to four IP numbers, which are 104.16.150.108, 104.16.151.108, 2606:4700::6810:966c and 2606:4700::6810:976c.

Among the host names that share IP numbers with cmcourses.com are sgibhef334.onrocket.site, britishbikebits.com, icondentalcenter.com and two others.

Name Servers

cmcourses.com has two authoritative name servers β€” elma.ns.cloudflare.com and theo.ns.cloudflare.com.

cmcourses.com has the same name server delegation as a number of other domains, such as bankatswamicollege.org, 3isp.com, kskcollegebeed.com and two more.

There is at least partial name server overlap between cmcourses.com and other domains β€” bridgetobridge.lk, ivypark.house, hilfe-paypal-sicherheit.com and two more among them.

The name servers leland.ns.cloudflare.com, galilea.ns.cloudflare.com and gwen.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

elma.ns.cloudflare.com points to 108.162.192.154, 172.64.32.154, 173.245.58.154 and 3 other IP addresses.

theo.ns.cloudflare.com points to 108.162.193.144, 172.64.33.144, 173.245.59.144 and 3 other IP addresses.