chemistry-react.org - robtex.com

chemistry-react.org

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:cb6d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:251f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.31Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.109🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrenda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A2803:f800:50::6ca2:c04d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrenda.ns.cloudflare.com
A2a06:98c1:50::ac40:204d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrenda.ns.cloudflare.com
A108.162.192.77🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A172.64.32.77🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A173.245.58.77🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
NSmarek.ns.cloudflare.com
A2606:4700:58::adf5:3bca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A2803:f800:50::6ca2:c1ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarek.ns.cloudflare.com
A2a06:98c1:50::ac40:21ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarek.ns.cloudflare.com
A108.162.193.202🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A172.64.33.202🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A173.245.59.202🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
TXTgoogle-site-verification=ArpJ5nHlmF3wreRyOIQ4WzCA94dRLB960mKicOU5xD0
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.31, 172.67.203.109
IPv6 hints2606:4700:3035::ac43:cb6d, 2606:4700:3036::6815:251f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOAbrenda.ns.cloudflare.comdns@cloudflare.com serial=2400370323

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776044757
WOT: SAFE (73/100)

Same first word

chemistry-react.org

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSbrenda.ns.cloudflare.commarek.ns.cloudflare.comdns010.d.register.comdns015.c.register.comdns083.a.register.comdns228.b.register.comMXp.webcom.ctmail.comA104.21.37.31172.67.203.1092606:4700:3035::ac43:cb6d2606:4700:3036::6815:251f134.213.30.81188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::54.228.247.84
●NSbrenda.ns.cloudflare.com2026-03-25 → 2026-04-13 · 3 obs
○ 2017-05-30 10:19:54
● 2026-03-25 08:53:30
● 2026-04-13 02:09:46
○NSdns010.d.register.com2015-06-30 → 2017-05-30 · 4 obs
● 2015-06-30 17:05:24
● 2017-05-30 10:19:54
○ 2026-03-25 08:53:30
○ 2026-04-13 02:09:46
○NSdns015.c.register.com2015-06-30 → 2017-05-30 · 4 obs
● 2015-06-30 17:05:24
● 2017-05-30 10:19:54
○ 2026-03-25 08:53:30
○ 2026-04-13 02:09:46
○NSdns083.a.register.com2015-06-30 → 2017-05-30 · 4 obs
● 2015-06-30 17:05:24
● 2017-05-30 10:19:54
○ 2026-03-25 08:53:30
○ 2026-04-13 02:09:46
○NSdns228.b.register.com2015-06-30 → 2017-05-30 · 4 obs
● 2015-06-30 17:05:24
● 2017-05-30 10:19:54
○ 2026-03-25 08:53:30
○ 2026-04-13 02:09:46
●NSmarek.ns.cloudflare.com2026-03-25 → 2026-04-13 · 3 obs
○ 2017-05-30 10:19:54
● 2026-03-25 08:53:30
● 2026-04-13 02:09:46
○MXp.webcom.ctmail.com2016-04-22 → 2017-05-30 · 4 obs
● 2016-04-22 23:37:50
● 2017-05-30 10:19:54
○ 2026-03-25 08:53:30
○ 2026-04-13 02:09:46
●A104.21.37.312026-03-25 → 2026-04-13 · 6 obs
○ 2017-05-30 10:19:54
● 2026-03-25 08:53:30
● 2026-03-30 22:15:46
○ 2026-04-06 20:38:40
● 2026-04-10 11:53:04
● 2026-04-13 02:09:46
○A134.213.30.812016-12-04 → 2017-05-30 · 5 obs
○ 2016-04-22 23:37:50
● 2016-12-04 09:27:42
● 2017-05-30 10:19:54
○ 2026-03-25 08:53:30
○ 2026-04-13 02:09:46
●A172.67.203.1092026-03-25 → 2026-04-13 · 6 obs
○ 2017-05-30 10:19:54
● 2026-03-25 08:53:30
● 2026-03-30 22:15:46
○ 2026-04-06 20:38:40
● 2026-04-10 11:53:04
● 2026-04-13 02:09:46
○A188.114.96.02026-04-06 → 2026-04-06 · 4 obs
○ 2026-03-30 22:15:46
● 2026-04-06 20:38:40
○ 2026-04-10 11:53:04
○ 2026-04-13 02:09:46
○A188.114.97.02026-04-06 → 2026-04-06 · 4 obs
○ 2026-03-30 22:15:46
● 2026-04-06 20:38:40
○ 2026-04-10 11:53:04
○ 2026-04-13 02:09:46
●A2606:4700:3035::ac43:cb6d2026-03-25 → 2026-04-13 · 6 obs
○ 2017-05-30 10:19:54
● 2026-03-25 08:53:30
● 2026-03-30 22:15:46
○ 2026-04-06 20:38:40
● 2026-04-10 11:53:04
● 2026-04-13 02:09:46
●A2606:4700:3036::6815:251f2026-03-25 → 2026-04-13 · 6 obs
○ 2017-05-30 10:19:54
● 2026-03-25 08:53:30
● 2026-03-30 22:15:46
○ 2026-04-06 20:38:40
● 2026-04-10 11:53:04
● 2026-04-13 02:09:46
○A2a06:98c1:3120::2026-04-06 → 2026-04-06 · 4 obs
○ 2026-03-30 22:15:46
● 2026-04-06 20:38:40
○ 2026-04-10 11:53:04
○ 2026-04-13 02:09:46
○A2a06:98c1:3121::2026-04-06 → 2026-04-06 · 4 obs
○ 2026-03-30 22:15:46
● 2026-04-06 20:38:40
○ 2026-04-10 11:53:04
○ 2026-04-13 02:09:46
○A54.228.247.842015-06-30 → 2016-04-22 · 4 obs
● 2015-06-30 17:05:24
● 2016-04-22 23:37:50
○ 2016-12-04 09:27:42
○ 2026-04-13 02:09:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
chemistry-react.orgbrenda.ns.cloudflare.com, marek.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.77

NS records: brenda.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chemistry-react.org (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.203.109, 104.21.37.31
AAAA22606:4700:3035::ac43:cb6d, 2606:4700:3036::6815:251f
NS2brenda.ns.cloudflare.com, marek.ns.cloudflare.com
TXT1google-site-verification=ArpJ5nHlmF3wreR
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brenda.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

chemistry-react.org resolves to four IPs: 2606:4700:3035::ac43:cb6d, 2606:4700:3036::6815:251f, 104.21.37.31 and 172.67.203.109.

Other host names, for instance apktodo.net, odontek.es, rr88c.mobi, elmirasavingsbank.com and monitor.121699.xyz share IP numbers with chemistry-react.org.

Name Servers

chemistry-react.org has two name servers: brenda.ns.cloudflare.com and marek.ns.cloudflare.com.

chemistry-react.org shares the same name server setup as other domains, for example estudiroig.com, kruu.com, messe-gruenkauf.com, kormanhealthgroup.com and diypython.com.

chemistry-react.org shares some name servers with other domains, for example hem.no, kosanbit.com, storeberry.chat, sorongtotov1.pages.dev and vanesaduran.com.

These name servers are commonly used with the name servers hans.ns.cloudflare.com.

Host names with six IP numbers: brenda.ns.cloudflare.com points to: 2606:4700:50::adf5:3a4d, 2803:f800:50::6ca2:c04d, 2a06:98c1:50::ac40:204d, 108.162.192.77, 172.64.32.77 and 173.245.58.77; marek.ns.cloudflare.com points to: 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.