study1999.com - robtex.com

study1999.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5d8b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:d2dc🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.139Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.210.220🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScleo.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A2803:f800:50::6ca2:c159🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcleo.ns.cloudflare.com
A2a06:98c1:50::ac40:2159🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcleo.ns.cloudflare.com
A108.162.193.89🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A172.64.33.89🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A173.245.59.89🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
NSdemi.ns.cloudflare.com
A2606:4700:50::adf5:3a5f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A2803:f800:50::6ca2:c05f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdemi.ns.cloudflare.com
A2a06:98c1:50::ac40:205f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdemi.ns.cloudflare.com
A108.162.192.95🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A172.64.32.95🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A173.245.58.95🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
HTTPSHTTP/2 ✓ hints match
IPv4104.21.93.139, 172.67.210.220
IPv62606:4700:3035::6815:5d8b, 2606:4700:3036::ac43:d2dc
SOAcleo.ns.cloudflare.comdns@cloudflare.com serial=2396768706

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=1771291435

Same first word

study1999.com

DNS History

9 records (6 active, 3 former)

2020202120222023202420252026NScleo.ns.cloudflare.comdemi.ns.cloudflare.comjm1.dns.comjm2.dns.comA104.21.93.139172.67.210.2202606:4700:3035::6815:5d8b2606:4700:3036::ac43:d2dc212.107.28.17
●NScleo.ns.cloudflare.com2026-02-23 → 2026-03-24 · 3 obs
○ 2019-12-22 14:47:50
● 2026-02-23 04:08:20
● 2026-03-24 08:14:20
●NSdemi.ns.cloudflare.com2026-02-23 → 2026-03-24 · 3 obs
○ 2019-12-22 14:47:50
● 2026-02-23 04:08:20
● 2026-03-24 08:14:20
○NSjm1.dns.com2019-12-22 → 2019-12-22 · 3 obs
● 2019-12-22 14:47:50
○ 2026-02-23 04:08:20
○ 2026-03-24 08:14:20
○NSjm2.dns.com2019-12-22 → 2019-12-22 · 3 obs
● 2019-12-22 14:47:50
○ 2026-02-23 04:08:20
○ 2026-03-24 08:14:20
●A104.21.93.1392026-02-23 → 2026-03-24 · 3 obs
○ 2019-12-22 14:47:50
● 2026-02-23 04:08:20
● 2026-03-24 08:14:20
●A172.67.210.2202026-02-23 → 2026-03-24 · 3 obs
○ 2019-12-22 14:47:50
● 2026-02-23 04:08:20
● 2026-03-24 08:14:20
○A212.107.28.172019-12-22 → 2019-12-22 · 3 obs
● 2019-12-22 14:47:50
○ 2026-02-23 04:08:20
○ 2026-03-24 08:14:20
●A2606:4700:3035::6815:5d8b2026-02-23 → 2026-03-24 · 3 obs
○ 2019-12-22 14:47:50
● 2026-02-23 04:08:20
● 2026-03-24 08:14:20
●A2606:4700:3036::ac43:d2dc2026-02-23 → 2026-03-24 · 3 obs
○ 2019-12-22 14:47:50
● 2026-02-23 04:08:20
● 2026-03-24 08:14:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
study1999.comcleo.ns.cloudflare.com, demi.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.89

NS records: cleo.ns.cloudflare.com, demi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study1999.com (unsigned zone)

⏱️ Timing

Total: 220ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.93.139, 172.67.210.220
AAAA22606:4700:3035::6815:5d8b, 2606:4700:3036::ac43:d2dc
NS2cleo.ns.cloudflare.com, demi.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1cleo.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by study1999.com: 2606:4700:3035::6815:5d8b, 2606:4700:3036::ac43:d2dc, 104.21.93.139 and 172.67.210.220.

other host names including www.apicia.es, howerspb.ru, www.lszn1988.com, lds100.com.cn and turuncoglu.com share IP numbers with study1999.com.

Name Servers

study1999.com is delegated to two name servers cleo.ns.cloudflare.com and demi.ns.cloudflare.com.

study1999.com shares the same name server setup as other domains, for instance shazam.ch, lushanonline.com, qhzzhq.com, whxsa.com and gobuy365.com.

study1999.com at least partially shares name servers with other domains, for instance dalicosmetics.com, cwyk.fr, codedenvironment.com.br, tempocasanapolifuorigrotta.it and luukwille.com.

Host names with six IP numbers:

Host name cleo.ns.cloudflare.com points to: 2606:4700:58::adf5:3b59, 2803:f800:50::6ca2:c159, 2a06:98c1:50::ac40:2159, 108.162.193.89, 172.64.33.89 and 173.245.59.89.

Host name demi.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5f, 2803:f800:50::6ca2:c05f, 2a06:98c1:50::ac40:205f, 108.162.192.95, 172.64.32.95 and 173.245.58.95.