cuvs.org - dns.ninja

cuvs.org

DNSSEC⚠️ Not signed
A2620:12a:8000::3🇺🇸 Fastly2620:12a:8000::/44 Pantheon
A2620:12a:8001::3🇺🇸 Fastly2620:12a:8000::/44 Pantheon
A23.185.0.3🇺🇸 Fastly23.185.0.0/24 Pantheon
NSdns.cit.cornell.edu ⭐
A192.35.82.53🇺🇸 CORNELL-AS192.35.82.0/24 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
PTRdns.cit.cornell.edu
NSbigred.cit.cornell.edu
A128.253.180.35🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
PTRbigred.cit.cornell.edu
NScudns.cit.cornell.edu
A132.236.56.252🇺🇸 CORNELL-AS132.236.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
PTRcudns.cit.cornell.edu
NSdrdns.cit.cornell.edu ⚠️ Not in parent delegation
A52.152.185.125🇺🇸 Microsoft52.152.0.0/13 MICROSOFT
NSdrdns2.cit.cornell.edu ⚠️ Not in parent delegation
A52.45.47.12🇺🇸 Amazon52.44.0.0/15 EC2 Region prefix
PTRec2-52-45-47-12.compute-1.amazonaws.com
MXcuvs-org.mail.protection.outlook.com ⭐
A2a01:111:f403:c931::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sn1pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:f905::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm5pr02cu00203.inbound.protection.outlook.com
A2a01:111:f403:f90a::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn6pr02cu00300.inbound.protection.outlook.com
A2a01:111:f403:f90d::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sn1pr0501cu00200.inbound.protection.outlook.com
A52.101.10.5🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn6pr04cu00105.inbound.protection.outlook.com
A52.101.10.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn8pr05cu00102.inbound.protection.outlook.com
A52.101.11.19🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr04cu00203.inbound.protection.outlook.com
A52.101.50.7🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr21cu00207.inbound.protection.outlook.com
TXTv=spf1 include:_spf.google.com include:spf.smtp2go.com include:spf.protection...
TXTMS=4275BC3A5A234E9E59F079484C7A26DE214FA00A
TXTMS=ms34646732
SOAdns.cit.cornell.edunsmaster@cornell.edu serial=3607050202

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=1783229749

Same first word

cuvs.com
cuvs.co.uk
cuvs.cn
cuvs.de
cuvs.org
cuvs.net

Similar names

suvc.com
vscu.org
csvu.com
uvsc.eu
csuv.com
uvcs.net
cusv.com
vcus.com
usvc.com
uvcs.com
usvc.fr
suvc.ru
uvsc.net
uvsc.org
vusc.net
vucs.de
uvsc.om
vcsu.com
scuv.de
uscv.org
vcsu.edu
vscu.de
csuv.dk
ucvs.ru
scuv.com
cusv.de
uvsc.br
uvcs.de
usvc.com.my
uvsc.ca
uvsc.cn
svuc.dk
cusv.edu
ucsv.net
vucs.com.br
vscu.com
vusc.org
scvu.net
cvsu.com
vcus.com.sg
csvu.net
vcus.ru
ucvs.de
sucv.cn
cvsu.edu.ph
sucv.com
csuv.cl
csuv.de
uscv.com
ucvs.com
csuv.ru
cusv.net
vcsu.dk
uvsc.edu
vusc.com
vucs.com
vsuc.com
cusv.us
cvus.com
cvus.us
vusc.vic.edu.au
usvc.hr
suvc.cn
sucv.de
svcu.mb.ca
cvsu.info
ucvs.cn
vscu.net
svuc.com
usvc.ru
svuc.de
cvsu.in
uvsc.com
svcu.com
scvu.com
ucsv.com
cvus.org
vcus.de
ucsv.org
vusc.co
uscv.de
scuv.net
usvc.us

DNS History

16 records (9 active, 7 former)

20162017201820192020202120222023202420252026NSbigred.cit.cornell.educudns.cit.cornell.edudns.cit.cornell.edudrdns.cit.cornell.edudrdns2.cit.cornell.eduns2.walkerhost.netns4.walkerhost.netMXcuvs-org.mail.protection.outlook.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comA23.185.0.32620:12a:8000::32620:12a:8001::372.52.221.50
●NSbigred.cit.cornell.edu2026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
●NScudns.cit.cornell.edu2026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
●NSdns.cit.cornell.edu2026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
●NSdrdns.cit.cornell.edu2026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
●NSdrdns2.cit.cornell.edu2026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
○NSns2.walkerhost.net2015-07-13 → 2017-04-20 · 4 obs
● 2015-07-13 06:18:36
● 2017-04-20 19:54:54
○ 2026-02-19 07:57:46
○ 2026-07-05 06:10:30
○NSns4.walkerhost.net2015-07-13 → 2017-04-20 · 4 obs
● 2015-07-13 06:18:36
● 2017-04-20 19:54:54
○ 2026-02-19 07:57:46
○ 2026-07-05 06:10:30
○MXalt1.aspmx.l.google.com2015-07-13 → 2026-05-04 · 4 obs
● 2015-07-13 06:18:36
● 2026-05-04 08:36:56
○ 2026-05-18 18:23:42
○ 2026-07-05 06:10:30
○MXalt2.aspmx.l.google.com2015-07-13 → 2026-05-04 · 4 obs
● 2015-07-13 06:18:36
● 2026-05-04 08:36:56
○ 2026-05-18 18:23:42
○ 2026-07-05 06:10:30
○MXaspmx.l.google.com2015-07-13 → 2026-05-04 · 4 obs
● 2015-07-13 06:18:36
● 2026-05-04 08:36:56
○ 2026-05-18 18:23:42
○ 2026-07-05 06:10:30
○MXaspmx2.googlemail.com2015-07-13 → 2026-05-04 · 4 obs
● 2015-07-13 06:18:36
● 2026-05-04 08:36:56
○ 2026-05-18 18:23:42
○ 2026-07-05 06:10:30
●MXcuvs-org.mail.protection.outlook.com2026-05-18 → 2026-07-05 · 3 obs
○ 2026-05-04 08:36:56
● 2026-05-18 18:23:42
● 2026-07-05 06:10:30
●A23.185.0.32026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
●A2620:12a:8000::32026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
●A2620:12a:8001::32026-02-19 → 2026-07-05 · 3 obs
○ 2017-04-20 19:54:54
● 2026-02-19 07:57:46
● 2026-07-05 06:10:30
○A72.52.221.502015-07-13 → 2017-04-20 · 4 obs
● 2015-07-13 06:18:36
● 2017-04-20 19:54:54
○ 2026-02-19 07:57:46
○ 2026-07-05 06:10:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cuvs.orgbigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu-

✅ Authoritative Response

Server:128.253.180.35

NS records: bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuvs.org (unsigned zone)

⏱️ Timing

Total: 516ms | Queries: -

📄 Records

TypeCountSample Data
A123.185.0.3
AAAA22620:12a:8000::3, 2620:12a:8001::3
NS5dns.cit.cornell.edu, cudns.cit.cornell.edu...
MX1cuvs-org.mail.protection.outlook.com (pr
TXT3MS=ms34646732, MS=4275BC3A5A234E9E59F079484C7A26DE214FA...
SOA1dns.cit.cornell.edu nsmaster.cornell.edu

Analysis

IP Addresses

cuvs.org maps to three IP numbers — 23.185.0.3, 2620:12a:8000::3 and 2620:12a:8001::3.

Among the host names that share IP numbers with cuvs.org are nccdglobal.org, thecha.org, acgih.org and two others.

Name Servers

The authoritative name servers for cuvs.org are bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu and two others.

cuvs.org has at least partial name server overlap with other domains, such as macaulaylibrary.com, birdsoftheworld.org, 236.132.in-addr.arpa and two others.

It is common to find these name servers paired with the name servers drdns2.cit.cornell.edu, drdns.cit.cornell.edu, ns1.qatar-med.cornell.edu and ns2.qatar-med.cornell.edu.

Hosts that resolve to one IP address:

bigred.cit.cornell.edu directs to 128.253.180.35.

cudns.cit.cornell.edu directs to 132.236.56.252.

dns.cit.cornell.edu directs to 192.35.82.53.

drdns2.cit.cornell.edu directs to 52.45.47.12.

drdns.cit.cornell.edu directs to 52.152.185.125.

Mail Servers

cuvs.org routes its mail through a single mail server, cuvs-org.mail.protection.outlook.com.

cuvs-org.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.10.5, 52.101.10.10 and 52.101.11.19, along with 5 other.