cvusd.us - robtex.com

cvusd.us

DNSSEC⚠️ Not signed
A18.233.124.95πŸ‡ΊπŸ‡Έ Amazon18.232.0.0/14 EC2 IAD prefix
PTRec2-18-233-124-95.compute-1.amazonaws.com
A54.221.139.169πŸ‡ΊπŸ‡Έ Amazon54.221.0.0/16 EC2 IAD prefix
NSdns101.register.com ⭐
A162.159.24.117Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-162-159-24-117.defastlink.net
NSdns102.register.com
A162.159.25.158Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-162-159-25-158.defastlink.net
MXd300529a.ess.barracudanetworks.com ⭐
A209.222.82.252πŸ‡ΊπŸ‡Έ Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253πŸ‡ΊπŸ‡Έ Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255πŸ‡ΊπŸ‡Έ Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXd300529b.ess.barracudanetworks.com ⭐
A209.222.82.252πŸ‡ΊπŸ‡Έ Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253πŸ‡ΊπŸ‡Έ Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255πŸ‡ΊπŸ‡Έ Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXcvusd-us.mail.protection.outlook.com(99)
A2a01:111:f403:c922::2πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bl0pr02cu00702.inbound.protection.outlook.com
A2a01:111:f403:c946::5πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-ch4pr21cu00105.inbound.protection.outlook.com
A2a01:111:f403:f802::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-byapr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:f902::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bl2pr02cu00101.inbound.protection.outlook.com
A52.101.9.24πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl2pr02cu00400.inbound.protection.outlook.com
A52.101.11.3πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr0501cu00103.inbound.protection.outlook.com
A52.101.40.2πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr05cu00402.inbound.protection.outlook.com
A52.101.41.6πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01406.inbound.protection.outlook.com
TXTapple-domain-verification=22zAfFIhOTxI5djD
TXTgoogle-site-verification=7TxqTxXlYaAzHbuzb1YXcdO-9j4yEugRyv4sIdceZ6o
TXTkdr4d6H0xz+qxNShAFndAQSiRp1F2lLgp47yAJiKBcIieVZ83yhZKIS0Fa+YsA0joddfdKpZcf2u6...
TXTapple-domain-verification=QwyDo0XK41e2O5jR
TXTapple-domain-verification=KdtJv4byz1MNO29H
TXTnshwqMQZfVvTLn+4ZtEI8oWufs1NElIdP18IT8tBXitxVqEz5ppAoilCEfCen8L1f9k5CHe1d28Y6...
TXTv=spf1 ip4:204.100.126.3 include:spf.protection.outlook.com include:spf.ess.b...
TXTadobe-idp-site-verification=473db29ab80dfd7d65d6280a07af7442fe2ffeaf8807a8f7d...
SOADNS101.REGISTER.COMroot@REGISTER.COM serial=125071513

us

DNSSECπŸ”’ Signed (DS record present)
NSa.cctld.us ⭐ πŸ”’
NSb.cctld.us πŸ”’
NSf.cctld.us πŸ”’
NSk.cctld.us πŸ”’
NSm.cctld.us πŸ”’
NSn.cctld.us πŸ”’
NSw.cctld.us πŸ”’
NSx.cctld.us πŸ”’
NSy.cctld.us πŸ”’
SOAa.cctld.usadmin@tldns.godaddy serial=1771291699
πŸ“ˆ Tranco rank: #565,107

Subdomains

Same first word

Similar names

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSdns101.register.comdns102.register.comdns010.d.register.comdns013.c.register.comdns087.a.register.comdns110.b.register.comMXcvusd-us.mail.protection.outlook.comd300529a.ess.barracudanetworks.comd300529b.ess.barracudanetworks.comemailscan9.mci.comemailscan9a.mci.comA18.233.124.9554.221.139.169204.100.125.550.56.64.4
β—‹NSdns010.d.register.com2015-08-20 β†’ 2017-08-24 Β· 4 obs
● 2015-08-20 23:42:24
● 2017-08-24 22:57:28
β—‹ 2026-02-15 00:44:38
β—‹ 2026-03-05 23:00:30
β—‹NSdns013.c.register.com2015-08-20 β†’ 2017-08-24 Β· 4 obs
● 2015-08-20 23:42:24
● 2017-08-24 22:57:28
β—‹ 2026-02-15 00:44:38
β—‹ 2026-03-05 23:00:30
β—‹NSdns087.a.register.com2015-08-20 β†’ 2017-08-24 Β· 4 obs
● 2015-08-20 23:42:24
● 2017-08-24 22:57:28
β—‹ 2026-02-15 00:44:38
β—‹ 2026-03-05 23:00:30
●NSdns101.register.com2026-02-15 β†’ 2026-03-05 Β· 3 obs
β—‹ 2017-08-24 22:57:28
● 2026-02-15 00:44:38
● 2026-03-05 23:00:30
●NSdns102.register.com2026-02-15 β†’ 2026-03-05 Β· 3 obs
β—‹ 2017-08-24 22:57:28
● 2026-02-15 00:44:38
● 2026-03-05 23:00:30
β—‹NSdns110.b.register.com2015-08-20 β†’ 2017-08-24 Β· 4 obs
● 2015-08-20 23:42:24
● 2017-08-24 22:57:28
β—‹ 2026-02-15 00:44:38
β—‹ 2026-03-05 23:00:30
●MXcvusd-us.mail.protection.outlook.com2026-02-15 β†’ 2026-03-05 Β· 3 obs
β—‹ 2017-08-24 22:57:28
● 2026-02-15 00:44:38
● 2026-03-05 23:00:30
●MXd300529a.ess.barracudanetworks.com2026-02-15 β†’ 2026-03-05 Β· 3 obs
β—‹ 2017-08-24 22:57:28
● 2026-02-15 00:44:38
● 2026-03-05 23:00:30
●MXd300529b.ess.barracudanetworks.com2026-02-15 β†’ 2026-03-05 Β· 3 obs
β—‹ 2017-08-24 22:57:28
● 2026-02-15 00:44:38
● 2026-03-05 23:00:30
β—‹MXemailscan9.mci.com2015-08-20 β†’ 2017-08-24 Β· 4 obs
● 2015-08-20 23:42:24
● 2017-08-24 22:57:28
β—‹ 2026-02-15 00:44:38
β—‹ 2026-03-05 23:00:30
β—‹MXemailscan9a.mci.com2015-08-20 β†’ 2017-08-24 Β· 4 obs
● 2015-08-20 23:42:24
● 2017-08-24 22:57:28
β—‹ 2026-02-15 00:44:38
β—‹ 2026-03-05 23:00:30
●A18.233.124.952026-02-15 β†’ 2026-03-05 Β· 3 obs
β—‹ 2017-08-24 22:57:28
● 2026-02-15 00:44:38
● 2026-03-05 23:00:30
β—‹A204.100.125.52015-08-20 β†’ 2017-06-05 Β· 4 obs
● 2015-08-20 23:42:24
● 2017-06-05 22:02:04
β—‹ 2017-08-22 23:24:06
β—‹ 2026-03-05 23:00:30
β—‹A50.56.64.42017-08-22 β†’ 2017-08-24 Β· 5 obs
β—‹ 2017-06-05 22:02:04
● 2017-08-22 23:24:06
● 2017-08-24 22:57:28
β—‹ 2026-02-15 00:44:38
β—‹ 2026-03-05 23:00:30
●A54.221.139.1692026-02-15 β†’ 2026-03-05 Β· 3 obs
β—‹ 2017-08-24 22:57:28
● 2026-02-15 00:44:38
● 2026-03-05 23:00:30

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
cvusd.usdns102.register.com, dns101.register.com-

βœ… Authoritative Response

Server: 162.159.24.117

NS records: dns102.register.com, dns101.register.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cvusd.us (unsigned zone)

⏱️ Timing

Total: 402ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A218.233.124.95, 54.221.139.169
NS2dns102.register.com, dns101.register.com
MX3d300529b.ess.barracudanetworks.com (pri:, cvusd-us.mail.protection.outlook.com (pr...
TXT8apple-domain-verification=KdtJv4byz1MNO2, apple-domain-verification=QwyDo0XK41e2O5...
SOA1DNS101.REGISTER.COM root.REGISTER.COM

Analysis

Hierarchy

cvusd.us is the parent of ae4riesnet.cvusd.us, aerriesnet.cvusd.us, westside.cvusd.us, aeriesbet.cvusd.us, afriesnet.cvusd.us and a few other host names.

IP Addresses

Two IP numbers are pointed to by cvusd.us: 18.233.124.95 and 54.221.139.169.

other host names include shenandoah.k12.in.us, citrusschools.smartsiteshost.com, saranac.org, arapaho.k12.ok.us and rogersisd.org; they share IP numbers with cvusd.us.

Name Servers

Two name servers dns101.register.com and dns102.register.com handle the delegation for cvusd.us.

cvusd.us shares the same name server setup as other domains, for instance mydaycareinjuryattorney.com, globalplatform.ws, mutadawil.com, sme-inc.net and holdenlawgroup.com.

cvusd.us shares name servers with other domains at least partially, for example plattner.org.

Host names with one IP:

dns101.register.com points to: 162.159.24.117

dns102.register.com points to: 162.159.25.158

Mail Servers

Three mail servers handle cvusd.us: d300529a.ess.barracudanetworks.com, d300529b.ess.barracudanetworks.com and cvusd-us.mail.protection.outlook.com.

cvusd.us shares at least some mail servers with other domains, for instance coachella.k12.ca.us.

these mail servers are commonly used alongside d322707a.ess.barracudanetworks.com and d322707b.ess.barracudanetworks.com.

Host names with eight IP numbers:

Host cvusd-us.mail.protection.outlook.com points to: 2a01:111:f403:c922::2, 2a01:111:f403:c946::5, 2a01:111:f403:f802::, 2a01:111:f403:f902::1, 52.101.9.24, 52.101.11.3, 52.101.40.2 and 52.101.41.6.

Host names with three IP numbers:

Host d300529a.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Host d300529b.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Host names that point to 209.222.82.252: d300529a.ess.barracudanetworks.com and d300529b.ess.barracudanetworks.com.

Host names that point to 209.222.82.253: d300529a.ess.barracudanetworks.com and d300529b.ess.barracudanetworks.com.

Host names that point to 209.222.82.255: d300529a.ess.barracudanetworks.com and d300529b.ess.barracudanetworks.com.