divisionbyzero.co - robtex.com

divisionbyzero.co

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d455🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:17a5🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.165Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.85🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelle.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelle.ns.cloudflare.com
A2803:f800:50::6ca2:c06e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelle.ns.cloudflare.com
A2a06:98c1:50::ac40:206e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelle.ns.cloudflare.com
A108.162.192.110🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelle.ns.cloudflare.com
A172.64.32.110🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelle.ns.cloudflare.com
A173.245.58.110🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelle.ns.cloudflare.com
NSzeus.ns.cloudflare.com
A2606:4700:58::adf5:3bf9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
A2803:f800:50::6ca2:c1f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzeus.ns.cloudflare.com
A2a06:98c1:50::ac40:21f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzeus.ns.cloudflare.com
A108.162.193.249🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
A172.64.33.249🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
A173.245.59.249🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.23.165, 172.67.212.85
IPv62606:4700:3031::ac43:d455, 2606:4700:3032::6815:17a5
SOAelle.ns.cloudflare.comdns@cloudflare.com serial=2397069864

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759609616

Same first word

divisionbyzero.nl
divisionbyzero.org
divisionbyzero.pl
divisionbyzero.eu
divisionbyzero.net
divisionbyzero.hatenablog.jp
divisionbyzero.co
divisionbyzero.at
divisionbyzero.ru
divisionbyzero.com

Similar names

zerobydivision.com

DNS History

21 records (11 active, 10 former)

201820192020202120222023202420252026NSelle.ns.cloudflare.comzeus.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.23.165172.67.212.852606:4700:3031::ac43:d4552606:4700:3032::6815:17a5104.31.80.54104.31.81.54192.30.252.153192.30.252.1542400:cb00:2048:1::681f:50362400:cb00:2048:1::681f:5136
○NSdns1.registrar-servers.com2020-01-01 → 2020-01-01 · 3 obs
○ 2017-03-16 17:44:16
● 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
○NSdns2.registrar-servers.com2020-01-01 → 2020-01-01 · 3 obs
○ 2017-03-16 17:44:16
● 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
●NSelle.ns.cloudflare.com2017-03-16 → 2026-03-16 · 3 obs
● 2017-03-16 17:44:16
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22
●NSzeus.ns.cloudflare.com2017-03-16 → 2026-03-16 · 3 obs
● 2017-03-16 17:44:16
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22
●MXalt1.aspmx.l.google.com2017-03-16 → 2026-03-16 · 2 obs
● 2017-03-16 17:44:16
● 2026-03-16 23:18:22
●MXalt2.aspmx.l.google.com2017-03-16 → 2026-03-16 · 2 obs
● 2017-03-16 17:44:16
● 2026-03-16 23:18:22
●MXalt3.aspmx.l.google.com2026-03-16 → 2026-03-16 · 2 obs
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22
●MXalt4.aspmx.l.google.com2026-03-16 → 2026-03-16 · 2 obs
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22
●MXaspmx.l.google.com2017-03-16 → 2026-03-16 · 2 obs
● 2017-03-16 17:44:16
● 2026-03-16 23:18:22
○MXaspmx2.googlemail.com2017-03-16 → 2020-01-01 · 3 obs
● 2017-03-16 17:44:16
● 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
○MXaspmx3.googlemail.com2017-03-16 → 2020-01-01 · 3 obs
● 2017-03-16 17:44:16
● 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
●A104.21.23.1652026-03-16 → 2026-03-16 · 2 obs
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22
○A104.31.80.542017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:44:16
○ 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
○A104.31.81.542017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:44:16
○ 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
●A172.67.212.852026-03-16 → 2026-03-16 · 2 obs
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22
○A192.30.252.1532020-01-01 → 2020-01-01 · 3 obs
○ 2017-03-16 17:44:16
● 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
○A192.30.252.1542020-01-01 → 2020-01-01 · 3 obs
○ 2017-03-16 17:44:16
● 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
○A2400:cb00:2048:1::681f:50362017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:44:16
○ 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
○A2400:cb00:2048:1::681f:51362017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:44:16
○ 2020-01-01 22:36:54
○ 2026-03-16 23:18:22
●A2606:4700:3031::ac43:d4552026-03-16 → 2026-03-16 · 2 obs
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22
●A2606:4700:3032::6815:17a52026-03-16 → 2026-03-16 · 2 obs
○ 2020-01-01 22:36:54
● 2026-03-16 23:18:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coc.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co-
divisionbyzero.coelle.ns.cloudflare.com, zeus.ns.cloudflare.com-

✅ Authoritative Response

Server: 172.64.33.249

NS records: elle.ns.cloudflare.com, zeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for divisionbyzero.co (unsigned zone)

⏱️ Timing

Total: 520ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.212.85, 104.21.23.165
AAAA22606:4700:3032::6815:17a5, 2606:4700:3031::ac43:d455
NS2elle.ns.cloudflare.com, zeus.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elle.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

divisionbyzero.co points to four IP numbers: 2606:4700:3031::ac43:d455, 2606:4700:3032::6815:17a5, 104.21.23.165 and 172.67.212.85.

For instance, other host names ufra.com.ua, bellissimocabinets.com.au, spins-up.com, szabados.at and thedailyvoicenews.com share IP numbers with divisionbyzero.co.

Name Servers

divisionbyzero.co is delegated to two name servers: elle.ns.cloudflare.com and zeus.ns.cloudflare.com.

divisionbyzero.co uses the same name server setup as other domains such as bandfministorage.com, in(0x706f726e)oworld.com, bottlestops.de, tourismmarketing.agency and dreamvillasuk.com.

divisionbyzero.co shares name servers with other domains at least partially, for example waas.camp, banck-it.de, lincolntowerapartments.com, beautifullyandwonderfully.com and gamesbytes.com.

These name servers are commonly used with clyde.ns.cloudflare.com.

Host names with six IP numbers: host name elle.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6e, 2803:f800:50::6ca2:c06e, 2a06:98c1:50::ac40:206e, 108.162.192.110, 172.64.32.110 and 173.245.58.110; host name zeus.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf9, 2803:f800:50::6ca2:c1f9, 2a06:98c1:50::ac40:21f9, 108.162.193.249, 172.64.33.249 and 173.245.59.249.

Mail Servers

Five mail servers handle divisionbyzero.co: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

divisionbyzero.co shares mail servers with other domains at least partially; for instance codeforboston.org, definitiveevents.com.au, dtematerials.com, peel.be and broadbanddeals.co.uk.

These mail servers are commonly used with the servers aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx4.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27