astu.ca - robtex.com

astu.ca

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:5b10🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cfe9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.91.16Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.207.233🇺🇸 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
NSmatteo.ns.cloudflare.com
A2606:4700:58::a29f:2ce0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A2803:f800:50::6ca2:c3e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmatteo.ns.cloudflare.com
A2a06:98c1:50::ac40:23e0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmatteo.ns.cloudflare.com
A108.162.195.224🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A162.159.44.224Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A172.64.35.224🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.91.16, 172.67.207.233
IPv6 hints2606:4700:3032::6815:5b10, 2606:4700:3037::ac43:cfe9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=20, name=cloudflare-ech.com
SOAbrenda.ns.cloudflare.comdns@cloudflare.com serial=2407866476

ca

DNSSEC⚠️ Not signed
NSprd-czp-05.corp.cira.ca ⭐
NSany.ca-servers.ca
NSc.ca-servers.ca
NSd.ca-servers.ca
NSj.ca-servers.ca
SOAprd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2607070030

Same first word

astu.ru
astu.ca
astu.net
astu.in
astu.co.jp
astu.cn
astu.org
astu.city
astu.com
astu.fr
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astu.ac.in
astu.info
astu.eu
astu.it
astu.org.ru
astu.es
astu.duckdns.org
astu.de
astu.nl
astu.cl

Similar names

satu.be
utsa.org
usta.cc
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utas.se
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utas.ru
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satu.us
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stua.es
suta.org.cn
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suat.be
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tusa.com
tsua.cn
atus.nl
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atus.pl
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tusa.vn
satu.net
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aust.at
usta.org
saut.pl
taus.com
tsau.ru
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auts.de
suat.com
usta.kz
atsu.se
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usat.pe
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tusa.at
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satu.ru
utsa.ru
atus.ba
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tsua.org
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tusa.pl
tuas.us
usat.ws
auts.ch
taus.org
satu.my
aust.fyi
tusa.co.in
usta.net
utas.info
utsa.net
saut.kz
usat.uz
usta.me
tusa.ca
satu.jp
usta.tennis
suta.in
usat.co.uk
satu.co.id
usta.pro
aust.eu
aust.ru
tasu.net
stua.org
utas.net.au
atsu.name
utsa.my
uats.cn
uast.org
atus.com.br
satu.link
atus.com
usta.bf
stau.at
tuas.net
suta.ru
usta.com
aust.biz
atus.com.pl
tusa.cz
uast.net
stua.pl
aust.de
usat.company
asut.ru
uats.od.ua
asut.or.kr
aust.ro
suta.cn
usta.co.kr
usat.online
stau.eu
usat.de
stua.is
tusa.org
utas.edu.au
suat.es
saut.ac.tz
suat.co
atus.at
usta.dk
stau.org
usta.ch
suta.info
aust.pro
aust.edu
tusa.su
utas.co
usta.us
satu.nl
utas.es
usat.ltd
suat.com.tr
uast.de
atsu.co
utsa.pl
tusa.in

DNS History

23 records (6 active, 17 former)

20162017201820192020202120222023202420252026NSbrenda.ns.cloudflare.commatteo.ns.cloudflare.comns-1046.awsdns-02.orgns-1954.awsdns-52.co.ukns-376.awsdns-47.comns-577.awsdns-08.netns17.domaincontrol.comns18.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.91.16172.67.207.2332606:4700:3032::6815:5b102606:4700:3037::ac43:cfe9199.255.31.2382606:4700:3035::ac43:cfe92606:4700:3037::6815:5b103.210.236.23834.206.39.21452.3.35.28
●NSbrenda.ns.cloudflare.com2026-05-08 → 2026-07-07 · 3 obs
○ 2026-03-26 12:03:36
● 2026-05-08 07:31:52
● 2026-07-07 00:56:58
●NSmatteo.ns.cloudflare.com2026-05-08 → 2026-07-07 · 3 obs
○ 2026-03-26 12:03:36
● 2026-05-08 07:31:52
● 2026-07-07 00:56:58
○NSns-1046.awsdns-02.org2020-10-17 → 2020-10-17 · 4 obs
○ 2020-03-26 21:56:44
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○NSns-1954.awsdns-52.co.uk2020-10-17 → 2020-10-17 · 4 obs
○ 2020-03-26 21:56:44
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○NSns-376.awsdns-47.com2020-10-17 → 2020-10-17 · 4 obs
○ 2020-03-26 21:56:44
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○NSns-577.awsdns-08.net2020-10-17 → 2020-10-17 · 4 obs
○ 2020-03-26 21:56:44
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○NSns17.domaincontrol.com2015-06-12 → 2016-12-20 · 4 obs
● 2015-06-12 11:48:22
● 2016-12-20 08:48:14
○ 2020-03-26 21:56:44
○ 2026-07-07 00:56:58
○NSns18.domaincontrol.com2015-06-12 → 2016-12-20 · 4 obs
● 2015-06-12 11:48:22
● 2016-12-20 08:48:14
○ 2020-03-26 21:56:44
○ 2026-07-07 00:56:58
○MXalt1.aspmx.l.google.com2020-10-17 → 2020-10-17 · 3 obs
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○MXalt2.aspmx.l.google.com2020-10-17 → 2020-10-17 · 3 obs
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○MXaspmx.l.google.com2020-10-17 → 2020-10-17 · 3 obs
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○MXaspmx2.googlemail.com2020-10-17 → 2020-10-17 · 3 obs
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○MXaspmx3.googlemail.com2020-10-17 → 2020-10-17 · 3 obs
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
●A104.21.91.162026-05-08 → 2026-07-07 · 3 obs
○ 2026-03-26 12:03:36
● 2026-05-08 07:31:52
● 2026-07-07 00:56:58
●A172.67.207.2332026-05-08 → 2026-07-07 · 3 obs
○ 2026-03-26 12:03:36
● 2026-05-08 07:31:52
● 2026-07-07 00:56:58
○A199.255.31.2382015-06-12 → 2016-12-20 · 4 obs
● 2015-06-12 11:48:22
● 2016-12-20 08:48:14
○ 2020-03-26 21:56:44
○ 2026-07-07 00:56:58
●A2606:4700:3032::6815:5b102026-06-23 → 2026-07-07 · 3 obs
○ 2026-06-16 17:02:32
● 2026-06-23 22:18:08
● 2026-07-07 00:56:58
○A2606:4700:3035::ac43:cfe92026-05-08 → 2026-06-16 · 5 obs
○ 2026-03-26 12:03:36
● 2026-05-08 07:31:52
● 2026-06-16 17:02:32
○ 2026-06-23 22:18:08
○ 2026-07-07 00:56:58
○A2606:4700:3037::6815:5b102026-05-08 → 2026-06-16 · 5 obs
○ 2026-03-26 12:03:36
● 2026-05-08 07:31:52
● 2026-06-16 17:02:32
○ 2026-06-23 22:18:08
○ 2026-07-07 00:56:58
●A2606:4700:3037::ac43:cfe92026-06-23 → 2026-07-07 · 3 obs
○ 2026-06-16 17:02:32
● 2026-06-23 22:18:08
● 2026-07-07 00:56:58
○A3.210.236.2382020-10-17 → 2020-10-17 · 4 obs
○ 2020-03-26 21:56:44
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○A34.206.39.2142020-10-17 → 2020-10-17 · 4 obs
○ 2020-03-26 21:56:44
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58
○A52.3.35.282020-10-17 → 2020-10-17 · 4 obs
○ 2020-03-26 21:56:44
● 2020-10-17 03:03:12
○ 2026-03-26 12:03:36
○ 2026-07-07 00:56:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
astu.cabrenda.ns.cloudflare.com, matteo.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.77

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1350ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.207.233, 104.21.91.16
AAAA22606:4700:3037::ac43:cfe9, 2606:4700:3032::6815:5b10
NS2brenda.ns.cloudflare.com, matteo.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brenda.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

astu.ca has four IP addresses: 104.21.91.16, 172.67.207.233, 2606:4700:3032::6815:5b10 and 2606:4700:3037::ac43:cfe9.

www.ufatao.com, ns1.pptstar.com, play.xxiku.com plus two other host names have IP numbers in common with astu.ca.

Name Servers

The NS records for astu.ca delegate to brenda.ns.cloudflare.com and matteo.ns.cloudflare.com.

The name server configuration of astu.ca is shared with other domains, for instance borro.com.au, alis-taxis.co.uk, multiblastflooring.com.au and two others.

astu.ca has at least partial name server overlap with other domains, such as vpit.com.np, resitrix.com, poczytam.pl and two others.

These name servers tend to appear together with the name servers ali.ns.cloudflare.com, hans.ns.cloudflare.com and mckinley.ns.cloudflare.com.

Hosts with 6 IP addresses each:

brenda.ns.cloudflare.com maps to 108.162.192.77, 172.64.32.77, 173.245.58.77 and 3 additional IP addresses.

matteo.ns.cloudflare.com maps to 108.162.195.224, 162.159.44.224, 172.64.35.224 and 3 additional IP addresses.