opac.ar - robtex.com

opac.ar

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d76a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:3dd9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.217Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.106🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdrake.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c0e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
A2803:f800:50::6ca2:c30e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdrake.ns.cloudflare.com
A2a06:98c1:50::ac40:230e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdrake.ns.cloudflare.com
A108.162.195.14🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
A162.159.44.14Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
A172.64.35.14🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
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
MXmail.opac.ar ⭐
A2606:4700:3031::ac43:d76a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3033::6815:3dd9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.21.61.217Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.67.215.106🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmx1.opac.ar(20)
A2606:4700:3031::ac43:d76a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3033::6815:3dd9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.21.61.217Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.67.215.106🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
TXTgoogle-site-verification=UXjU9j4y4r_OjGQoa8oXDNWXApllo33ujpmrgOHKiVI
TXTv=spf1 include:spf.hostmar.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.217, 172.67.215.106
IPv6 hints2606:4700:3031::ac43:d76a, 2606:4700:3033::6815:3dd9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=0, name=cloudflare-ech.com
SOAdrake.ns.cloudflare.comdns@cloudflare.com serial=2409204779

ar

DNSSEC🔒 Signed (DS record present)
NSe.dns.ar ⭐
NSa.lactld.org ⚠️ Not in parent delegation
NSc.dns.ar
NSd.dns.ar
NSf.dns.ar
TXTAR zone generated atEpoch 1783865051localtime 2026-07-12T11:04:11-03:00GMT 20...
SOAe.dns.arnoc@nic.gob.ar 2026-07-12 #11

Subdomains

mail.opac.ar
mx1.opac.ar

Same first word

opac.dk
opac.co.ae
opac.co.nz
opac.cz
opac.lviv.ua
opac.sakura.ne.jp
opac.se
opac.cl
opac.mk.ua
opac.com.ar
opac.org
opac.biz
opac.vip
opac.jp
opac.cn
opac.eu
opac.ar
opac.es
opac.on.ca
opac.com.tr
opac.fr
opac.at
opac.app
opac.com
opac.de
opac.ch
opac.it
opac.ir
opac.jp.net
opac.be
opac.co
opac.ca
opac.nsw.edu.au
opac.cf

Similar names

apco.tech
coap.ru
apoc.kr
copa.pf
poca.net
copa.co.uk
oapc.jp
apoc.cc
aopc.de
copa.com.tr
capo.fi
apco.dev
capo.pl
aocp.com.br
apco.fr
acop.it
acpo.cn
apoc.online
paco.audio
paco.mx
paco.id.au
apco.london
paco.pt
coap.eu
aocp.de
paco.dog
poac.ac.cn
paco.es
pcao.nl
poca.asia
coap.tech
apco.co.com
coap.technology
capo.be
copa.fi
apco.biz
caop.ru
copa.org.ar
copa.sakura.ne.jp
ocpa.herokuapp.com
copa.fun
caop.fr
apco.site
copa.co.il
paco.to
apco.co.uk
capo.com
paco.eu
acop.ie
acop.net
paco.style
paco.com.br
caop.ac.cn
acpo.tv
paco.vip
capo.systems
capo.co
acop.io
paco.net
apco.parts
paco.ie
ocap.es
poca.de
paco.my
aopc.ru
capo.eng.br
ocap.com
apco.mobi
acpo.fr
copa.mx
paoc.or.th
ocap.ca
acpo.org.br
ocap.fr
aopc.info
ocap.kr
copa.pt
coap.de
copa.cn
acpo.cz
oapc.co.uk
capo.me
copa.io
capo.cl
cpao.com
copa.me
copa.dk
copa.com.ng
poac.se
ocap.mi.it
acop.ca
aopc.org

DNS History

8 records (8 active, 0 former)

NSdrake.ns.cloudflare.comelle.ns.cloudflare.comMXmail.opac.armx1.opac.arA104.21.61.217172.67.215.1062606:4700:3031::ac43:d76a2606:4700:3033::6815:3dd9
●NSdrake.ns.cloudflare.com2026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16
●NSelle.ns.cloudflare.com2026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16
●MXmail.opac.ar2026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16
●MXmx1.opac.ar2026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16
●A104.21.61.2172026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16
●A172.67.215.1062026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16
●A2606:4700:3031::ac43:d76a2026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16
●A2606:4700:3033::6815:3dd92026-06-30 → 2026-07-12 · 2 obs
● 2026-06-30 03:35:14
● 2026-07-12 15:05:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
arc.dns.ar, d.dns.ar, e.dns.ar, f.dns.ar-
opac.ardrake.ns.cloudflare.com, elle.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.110

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opac.ar (unsigned zone)

⏱️ Timing

Total: 509ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.215.106, 104.21.61.217
AAAA22606:4700:3033::6815:3dd9, 2606:4700:3031::ac43:d76a
NS2drake.ns.cloudflare.com, elle.ns.cloudflare.com
MX2mail.opac.ar (pri: 0), mx1.opac.ar (pri: 20)
TXT2google-site-verification=UXjU9j4y4r_OjGQ, v=spf1 include:spf.hostmar.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1drake.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

opac.ar serves as the parent of mail.opac.ar and mx1.opac.ar.

IP Addresses

opac.ar has four IP addresses: 104.21.61.217, 172.67.215.106, 2606:4700:3031::ac43:d76a and 2606:4700:3033::6815:3dd9.

rctrustee.com, x9game1m.com, comictalks.com plus two other host names have IP numbers in common with opac.ar.

Name Servers

DNS delegation for opac.ar points to two name servers: drake.ns.cloudflare.com and elle.ns.cloudflare.com.

The name server configuration of opac.ar is shared with other domains, for instance smartpreop.com, nanocem.org, aaling.com and two others.

opac.ar partially shares its NS delegation with several other domains, including techmasi.com, asia-bound.com, factiqos.com and two others.

These name servers are regularly seen alongside ruth.ns.cloudflare.com and clyde.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

drake.ns.cloudflare.com has IP addresses 108.162.195.14, 162.159.44.14 and 172.64.35.14, plus 3 other.

elle.ns.cloudflare.com has IP addresses 108.162.192.110, 172.64.32.110 and 173.245.58.110, plus 3 other.

Mail Servers

opac.ar uses two mail servers, mail.opac.ar and mx1.opac.ar.

Each of the hosts mail.opac.ar and mx1.opac.ar points to four IP numbers: mail.opac.ar directs to 104.21.61.217, 172.67.215.106, 2606:4700:3031::ac43:d76a and 2606:4700:3033::6815:3dd9 and mx1.opac.ar points to 104.21.61.217, 172.67.215.106, 2606:4700:3031::ac43:d76a and 2606:4700:3033::6815:3dd9.

Host names pointing to 2606:4700:3031::ac43:d76a IP addresses: mail.opac.ar and mx1.opac.ar.

Host names pointing to 2606:4700:3033::6815:3dd9 IP addresses: mail.opac.ar and mx1.opac.ar.

Host names pointing to 104.21.61.217 IP addresses: mail.opac.ar and mx1.opac.ar.

Host names pointing to 172.67.215.106 IP addresses: mail.opac.ar and mx1.opac.ar.