htmlschools.com - dns.ninja

htmlschools.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c6d7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:5cd4🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.92.212Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.198.215🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmichelle.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ac9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
A2803:f800:50::6ca2:c0c9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmichelle.ns.cloudflare.com
A2a06:98c1:50::ac40:20c9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmichelle.ns.cloudflare.com
A108.162.192.201🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
A172.64.32.201🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
A173.245.58.201🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
NSsimon.ns.cloudflare.com
A2606:4700:58::adf5:3be8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
A2803:f800:50::6ca2:c1e8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsimon.ns.cloudflare.com
A2a06:98c1:50::ac40:21e8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsimon.ns.cloudflare.com
A108.162.193.232🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
A172.64.33.232🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
A173.245.59.232🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.92.212, 172.67.198.215
IPv6 hints2606:4700:3033::ac43:c6d7, 2606:4700:3034::6815:5cd4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOAmichelle.ns.cloudflare.comdns@cloudflare.com serial=2410817499

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=1785532267

Same first word

htmlschools.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSmichelle.ns.cloudflare.comsimon.ns.cloudflare.comns1.above.comns11.domaincontrol.comns12.domaincontrol.comns2.above.comMXmail.post-host.netmailstore1.secureserver.netsmtp.secureserver.netA104.21.92.212172.67.198.2152606:4700:3033::ac43:c6d72606:4700:3034::6815:5cd4103.224.182.250192.151.159.992606:4700:3037::ac43:c6d7
●NSmichelle.ns.cloudflare.com2026-04-16 → 2026-07-31 · 3 obs
○ 2016-11-29 07:45:56
● 2026-04-16 19:13:20
● 2026-07-31 21:34:20
○NSns1.above.com2015-10-10 → 2016-07-17 · 5 obs
○ 2015-05-06 08:20:44
● 2015-10-10 19:16:24
● 2016-07-17 02:06:42
○ 2016-11-29 07:45:56
○ 2026-07-31 21:34:20
○NSns11.domaincontrol.com2015-05-06 → 2015-05-06 · 3 obs
● 2015-05-06 08:20:44
○ 2015-10-10 19:16:24
○ 2026-07-31 21:34:20
○NSns12.domaincontrol.com2015-05-06 → 2015-05-06 · 3 obs
● 2015-05-06 08:20:44
○ 2015-10-10 19:16:24
○ 2026-07-31 21:34:20
○NSns2.above.com2015-10-10 → 2016-07-17 · 5 obs
○ 2015-05-06 08:20:44
● 2015-10-10 19:16:24
● 2016-07-17 02:06:42
○ 2016-11-29 07:45:56
○ 2026-07-31 21:34:20
●NSsimon.ns.cloudflare.com2026-04-16 → 2026-07-31 · 3 obs
○ 2016-11-29 07:45:56
● 2026-04-16 19:13:20
● 2026-07-31 21:34:20
○MXmail.post-host.net2015-10-10 → 2016-07-17 · 5 obs
○ 2015-05-06 08:20:44
● 2015-10-10 19:16:24
● 2016-07-17 02:06:42
○ 2016-11-29 07:45:56
○ 2026-07-31 21:34:20
○MXmailstore1.secureserver.net2015-05-06 → 2015-05-06 · 3 obs
● 2015-05-06 08:20:44
○ 2015-10-10 19:16:24
○ 2026-07-31 21:34:20
○MXsmtp.secureserver.net2015-05-06 → 2015-05-06 · 3 obs
● 2015-05-06 08:20:44
○ 2015-10-10 19:16:24
○ 2026-07-31 21:34:20
○A103.224.182.2502015-10-10 → 2016-07-17 · 5 obs
○ 2015-05-06 08:20:44
● 2015-10-10 19:16:24
● 2016-07-17 02:06:42
○ 2016-11-29 07:45:56
○ 2026-07-31 21:34:20
●A104.21.92.2122026-04-16 → 2026-07-31 · 3 obs
○ 2016-11-29 07:45:56
● 2026-04-16 19:13:20
● 2026-07-31 21:34:20
●A172.67.198.2152026-04-16 → 2026-07-31 · 3 obs
○ 2016-11-29 07:45:56
● 2026-04-16 19:13:20
● 2026-07-31 21:34:20
○A192.151.159.992015-05-06 → 2015-05-06 · 3 obs
● 2015-05-06 08:20:44
○ 2015-10-10 19:16:24
○ 2026-07-31 21:34:20
●A2606:4700:3033::ac43:c6d72026-06-23 → 2026-07-31 · 3 obs
○ 2026-05-24 18:35:14
● 2026-06-23 11:05:40
● 2026-07-31 21:34:20
●A2606:4700:3034::6815:5cd42026-04-16 → 2026-07-31 · 3 obs
○ 2016-11-29 07:45:56
● 2026-04-16 19:13:20
● 2026-07-31 21:34:20
○A2606:4700:3037::ac43:c6d72026-04-16 → 2026-05-24 · 5 obs
○ 2016-11-29 07:45:56
● 2026-04-16 19:13:20
● 2026-05-24 18:35:14
○ 2026-06-23 11:05:40
○ 2026-07-31 21:34:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
htmlschools.comsimon.ns.cloudflare.com, michelle.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.201

NS records: simon.ns.cloudflare.com, michelle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for htmlschools.com (unsigned zone)

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.198.215, 104.21.92.212
AAAA22606:4700:3034::6815:5cd4, 2606:4700:3033::ac43:c6d7
NS2michelle.ns.cloudflare.com, simon.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1michelle.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

htmlschools.com resolves to four IP addresses: 104.21.92.212, 172.67.198.215, 2606:4700:3033::ac43:c6d7 and 2606:4700:3034::6815:5cd4.

Among the host names that share IP numbers with htmlschools.com are waxwingbooks.com, mail.acru-asset.com, kadinpcjambi.org and two others.

Name Servers

htmlschools.com is served by two delegated name servers, michelle.ns.cloudflare.com and simon.ns.cloudflare.com.

htmlschools.com has the same name server delegation as a number of other domains, such as cube-solver.com, dogsense.co.nz, shakedigital.com and two more.

htmlschools.com partially shares its NS delegation with several other domains, including atumsoft.co.uk, unboard.org, strix-guard.info and two others.

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

Host names resolving to 6 IP numbers:

michelle.ns.cloudflare.com carries IP addresses 108.162.192.201, 172.64.32.201 and 173.245.58.201, with 3 other addresses beyond those.

simon.ns.cloudflare.com carries IP addresses 108.162.193.232, 172.64.33.232 and 173.245.59.232, with 3 other addresses beyond those.