rtc.edu - dns.ninja

rtc.edu

DNSSEC⚠️ Not signed
A192.124.249.110🇺🇸 AS30148192.124.249.0/24 Sucuri, Inc.
PTRcloudproxy10010.sucuri.net
NSns-1551.awsdns-01.co.uk ⭐
A2600:9000:5306:f00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1551.awsdns-01.co.uk
A205.251.198.15🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1551.awsdns-01.co.uk
NSns-1478.awsdns-56.org
A2600:9000:5305:c600::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1478.awsdns-56.org
A205.251.197.198🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1478.awsdns-56.org
NSns-461.awsdns-57.com
A2600:9000:5301:cd00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-461.awsdns-57.com
A205.251.193.205🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-461.awsdns-57.com
NSns-675.awsdns-20.net
A2600:9000:5302:a300::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-675.awsdns-20.net
A205.251.194.163🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-675.awsdns-20.net
MXd340177a.ess.barracudanetworks.com ⭐
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXd340177b.ess.barracudanetworks.com(10)
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
TXT3t938jsf7b63plqmppq3dnbq7h
TXTMS=ms58030735
TXTOkpqejfF9fy+FWZUPGVUQqpQ+j/K+wsVDmwarNgy+lUX1MGPknT5t/u8UV+1Hc+B1atZhoMNdlVSX...
TXTadobe-idp-site-verification=96063d4304393aae47b714a219a4c07ff0b4acb03141a0e0f...
TXTadobe-idp-site-verification=de3cbb97-f8ec-4403-8071-cddd037c6dd7
TXTadobe-sign-verification=a489096576229045762ed293c2f1ade7
TXTapple-domain-verification=hy3Fihi4EryTKLXW
TXTcsmhreft8f99fuhgf1rhpid6ui
TXTgoogle-site-verification=C134SSWdyjzTPeeteRoIGPQLYgwOBR48f1FuOmihvSA
TXTi4d0eaessitpogt8v8gsq33tnv
TXTmpandu011801irs5tsvc9og0ds
TXTmtonfcqm7uvjq50n241ri3bjgq
TXTqep9crifikr7me8jc2qhekqt3d
TXTthvnlh3mog86t9so9r7rhspljq
TXTurc05fv9ph768p4dltjlojoocm
TXTv=spf1 ip4:192.64.1.146 ip4:134.39.27.208 ip4:168.156.21.170 ip4:168.156.9.20...
SOAns-1551.awsdns-01.co.ukawsdns-hostmaster@amazon.com serial=1

edu

DNSSEC🔒 Signed (DS record present)
NSa.edu-servers.net ⭐
NSb.edu-servers.net
NSc.edu-servers.net
NSd.edu-servers.net
NSe.edu-servers.net
NSf.edu-servers.net
NSg.edu-servers.net
NSh.edu-servers.net
NSi.edu-servers.net
NSj.edu-servers.net
NSk.edu-servers.net
NSl.edu-servers.net
NSm.edu-servers.net
SOAa.edu-servers.netnstld@verisign-grs.com serial=1786404079
rank #254906 globally
rank #2325 in the tld
WOT: SAFE (64/100)
📈 Tranco rank: #706,138

Subdomains

autodesktraining.rtc.edu
foundation.rtc.edu
catalog.rtc.edu
mail.rtc.edu
catia.rtc.edu
vpn.rtc.edu
neaat.rtc.edu
trackit.rtc.edu
survey.rtc.edu
majorapplianceandrefrigeration.rtc.edu
dispatch.rtc.edu
www.rtc.edu
therapeuticmassage.rtc.edu
hybrid.rtc.edu
computerscience.rtc.edu
certifiedofficepro.rtc.edu
surveying.rtc.edu

Same first word

rtc.eu
rtc.net.au
rtc.cloud
rtc.tv
rtc.expert
rtc.guru
rtc.ie
rtc.com.pl
rtc.education
rtc.london
rtc.cv
rtc.no-ip.org
rtc.li
rtc.pt
rtc.edu
rtc.pl
rtc.coop
rtc.co.za
rtc.hr
rtc.cc
rtc.bt
rtc.email
rtc.sg
rtc.cz
rtc.world
rtc.spb.ru
rtc.fi
rtc.berlin
rtc.lu
rtc.okinawa
rtc.edu.ge
rtc.directory
rtc.ru
rtc.sc
rtc.nl
rtc.exchange
rtc.lv
rtc.org.uk
rtc.si
rtc.systems
rtc.su
rtc.edu.vn
rtc.casino
rtc.org
rtc.be
rtc.kz
rtc.ac.th
rtc.no
rtc.net.br
rtc.services
rtc.com.sg
rtc.ro
rtc.jp
rtc.taxi
rtc.nyc
rtc.consulting
rtc.hu
rtc.co.nz
rtc.at
rtc.it
rtc.cl
rtc.com.br
rtc.se
rtc.solutions
rtc.net
rtc.ly
rtc.rs
rtc.fr
rtc.gob.mx
rtc.lt
rtc.com.pk
rtc.com.tw
rtc.bg
rtc.com.au
rtc.co.th
rtc.com.ua
rtc.co.uk
rtc.or.kr
rtc.synology.me
rtc.uk.net
rtc.com.tr
rtc.travel
rtc.la
rtc.org.au
rtc.es
rtc.com
rtc.co
rtc.mx

Similar names

trc.com.sg
tcr.sakura.ne.jp
ctr.co.kr
ctr.net
crt.com.tr
trc.com.ua
rct.bg
trc.si
crt.se
rct.ai
tcr.management
tcr.azurewebsites.net
tcr.pt
trc.biz
trc.pl
crt.ru
trc.com.tr
trc.org.nz
rct.jp
rct.ie
trc.bz
trc.ru
crt.la
crt.com.tw
trc.or.th
crt.net.au
crt.casino
ctr.fr
rct.se
tcr.ru
ctr.co
crt.ca
ctr.mobi
tcr.cafe
trc.vg
rct.co.th
trc.co.tz
ctr.hk
ctr.ac.th
rct.kr
trc.com.ph
tcr.gub.uy
rct.name
rct.co.kr
tcr.agency
rct.sa
ctr.nl
rct.es
tcr.eu
trc.services
ctr.dk
crt.pw
ctr.show
trc.nyc
ctr.co.uk
tcr.org.uk
trc.moscow
trc.in
trc.se
tcr.co
crt.systems
trc.agency
crt.com.cn
rct.biz
crt.tv
crt.co.nz
ctr.org
crt.org.br
trc.or.jp
crt.sh
trc.no
ctr.id.au

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns-1478.awsdns-56.orgns-1551.awsdns-01.co.ukns-461.awsdns-57.comns-675.awsdns-20.netdns1.ctc.edudns2.ctc.edudns3.ctc.edudns4.ctc.eduMXd340177a.ess.barracudanetworks.comd340177b.ess.barracudanetworks.commail.rtc.edurtc-edu.mail.protection.outlook.comA192.124.249.110192.124.249.10
○NSdns1.ctc.edu2015-09-01 → 2019-04-21 · 4 obs
● 2015-09-01 07:25:54
● 2019-04-21 13:17:34
○ 2026-02-17 09:21:52
○ 2026-08-10 23:22:10
○NSdns2.ctc.edu2015-09-01 → 2019-04-21 · 4 obs
● 2015-09-01 07:25:54
● 2019-04-21 13:17:34
○ 2026-02-17 09:21:52
○ 2026-08-10 23:22:10
○NSdns3.ctc.edu2015-09-01 → 2019-04-21 · 4 obs
● 2015-09-01 07:25:54
● 2019-04-21 13:17:34
○ 2026-02-17 09:21:52
○ 2026-08-10 23:22:10
○NSdns4.ctc.edu2016-03-06 → 2019-04-21 · 5 obs
○ 2015-09-01 07:25:54
● 2016-03-06 14:19:20
● 2019-04-21 13:17:34
○ 2026-02-17 09:21:52
○ 2026-08-10 23:22:10
●NSns-1478.awsdns-56.org2026-02-17 → 2026-08-10 · 3 obs
○ 2019-04-21 13:17:34
● 2026-02-17 09:21:52
● 2026-08-10 23:22:10
●NSns-1551.awsdns-01.co.uk2026-02-17 → 2026-08-10 · 3 obs
○ 2019-04-21 13:17:34
● 2026-02-17 09:21:52
● 2026-08-10 23:22:10
●NSns-461.awsdns-57.com2026-02-17 → 2026-08-10 · 3 obs
○ 2019-04-21 13:17:34
● 2026-02-17 09:21:52
● 2026-08-10 23:22:10
●NSns-675.awsdns-20.net2026-02-17 → 2026-08-10 · 3 obs
○ 2019-04-21 13:17:34
● 2026-02-17 09:21:52
● 2026-08-10 23:22:10
●MXd340177a.ess.barracudanetworks.com2026-02-17 → 2026-08-10 · 3 obs
○ 2019-04-21 13:17:34
● 2026-02-17 09:21:52
● 2026-08-10 23:22:10
●MXd340177b.ess.barracudanetworks.com2026-02-17 → 2026-08-10 · 3 obs
○ 2019-04-21 13:17:34
● 2026-02-17 09:21:52
● 2026-08-10 23:22:10
○MXmail.rtc.edu2015-09-01 → 2018-11-01 · 4 obs
● 2015-09-01 07:25:54
● 2018-11-01 16:55:52
○ 2019-03-07 02:05:10
○ 2026-08-10 23:22:10
○MXrtc-edu.mail.protection.outlook.com2019-03-07 → 2019-04-21 · 5 obs
○ 2018-11-01 16:55:52
● 2019-03-07 02:05:10
● 2019-04-21 13:17:34
○ 2026-02-17 09:21:52
○ 2026-08-10 23:22:10
○A192.124.249.102015-09-01 → 2019-04-21 · 4 obs
● 2015-09-01 07:25:54
● 2019-04-21 13:17:34
○ 2026-02-17 09:21:52
○ 2026-08-10 23:22:10
●A192.124.249.1102026-02-17 → 2026-08-10 · 3 obs
○ 2019-04-21 13:17:34
● 2026-02-17 09:21:52
● 2026-08-10 23:22:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edue.edu-servers.net, g.edu-servers.net, j.edu-servers.net, b.edu-servers.net...26 records
rtc.eduns-675.awsdns-20.net, ns-461.awsdns-57.com, ns-1551.awsdns-01.co.uk, ns-1478.awsdns-56.org-

✅ Authoritative Response

Server:205.251.197.198

NS records: ns-675.awsdns-20.net, ns-461.awsdns-57.com, ns-1551.awsdns-01.co.uk, ns-1478.awsdns-56.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtc.edu (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

TypeCountSample Data
A1192.124.249.110
NS4ns-1478.awsdns-56.org, ns-1551.awsdns-01.co.uk...
MX2d340177a.ess.barracudanetworks.com (pri:, d340177b.ess.barracudanetworks.com (pri:
TXT163t938jsf7b63plqmppq3dnbq7h, MS=ms58030735...
SOA1ns-1551.awsdns-01.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 26

Out-of-bailiwick: 26 (m.edu-servers.net, l.edu-servers.net, k.edu-servers.net...)

Analysis

Hierarchy

rtc.edu is the parent domain of autodesktraining.rtc.edu, foundation.rtc.edu, catalog.rtc.edu, mail.rtc.edu, catia.rtc.edu and a few other host names.

IP Addresses

rtc.edu resolves to just one IP address, 192.124.249.110.

Two other host names, along with perstechinc.com, a1salon.net and swba.co, also share IP numbers with rtc.edu.

Name Servers

The NS records for rtc.edu point to four name servers: ns-461.awsdns-57.com, ns-675.awsdns-20.net, ns-1478.awsdns-56.org and ns-1551.awsdns-01.co.uk.

rtc.edu shares at least some of its name servers with other domains, including melvinraycpa.com, tyler-esup.com, human-scene.co.jp and two others.

The host names ns-461.awsdns-57.com, ns-675.awsdns-20.net, ns-1478.awsdns-56.org and ns-1551.awsdns-01.co.uk each resolve to two IP addresses: ns-461.awsdns-57.com resolves to 205.251.193.205 and 2600:9000:5301:cd00::1; ns-675.awsdns-20.net resolves to 205.251.194.163 and 2600:9000:5302:a300::1; ns-1478.awsdns-56.org resolves to 205.251.197.198 and 2600:9000:5305:c600::1; ns-1551.awsdns-01.co.uk resolves to 205.251.198.15 and 2600:9000:5306:f00::1.

Mail Servers

rtc.edu is served by two mail servers, d340177a.ess.barracudanetworks.com and d340177b.ess.barracudanetworks.com.

d340177a.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255; likewise, d340177b.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

d340177a.ess.barracudanetworks.com and d340177b.ess.barracudanetworks.com each have 209.222.82.252 IP addresses.

d340177a.ess.barracudanetworks.com and d340177b.ess.barracudanetworks.com each have 209.222.82.253 IP addresses.

d340177a.ess.barracudanetworks.com and d340177b.ess.barracudanetworks.com each have 209.222.82.255 IP addresses.