cwts.edu - robtex.com

cwts.edu

DNSSEC⚠️ Not signed
A75.2.60.5🇺🇸 Amazon75.2.60.0/24 Prod
PTRacd89244c803f7181.awsglobalaccelerator.com
NSns1.he.net ⭐
A2001:470:100::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
A216.218.130.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
NSns2.he.net
A2001:470:200::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
A216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
NSns3.he.net
A2001:470:300::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
A216.218.132.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
NSns4.he.net
A2001:470:400::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
A216.66.1.2🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
NSns5.he.net
A2001:470:500::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
A216.66.80.18🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A142.251.179.27🇺🇸 Google142.251.179.0/24
PTRpd-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:4013:c1e::1b🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f27.1e100.net
A192.178.213.27🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f27.1e100.net
MXaspmx4.googlemail.com(10)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXaspmx5.googlemail.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all include:amazonses.com ~all include:spf.co...
SOAns1.he.nethostmaster@he.net serial=201401259

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=1774649682

Same first word

cwts.cn
cwts.com
cwts.nl
cwts.net
cwts.info
cwts.com.au
cwts.it
cwts.de
cwts.edu
cwts.ca
cwts.org

Similar names

wtcs.cl
twcs.com.br
twcs.nl
cwst.co
cstw.com
cwst.nl
wstc.info
swct.org
wtcs.net
sctw.com.au
wcts.com.au
sctw.ch
twcs.com.au
stcw.online
wtsc.com
wcst.com
wstc.nl
tcsw.de
cstw.de
tswc.org
wstc.co
wsct.at
wsct.com
wcts.co
stcw.com
swct.com
sctw.nl
tcsw.org
cwst.cc
tcsw.edu.in
cwst.ie
twsc.net.cn
wtsc.com.au
twsc.org.uk
tcsw.cn
ctws.de
scwt.info
tcsw.org.uk
wsct.cn
swtc.nl
tswc.com
stcw.org
tscw.com
cwst.cz
wtsc.info
wtcs.in
wtsc.ca
swtc.edu
twsc.ca
tcws.net
wcst.co.in
cwst.fr
wsct.eu
swtc.com
twcs.cc
ctws.me
wstc.org.au
cstw.com.cn
twsc.co.za
tcsw.com.cn
stcw.ru
ctws.kasserver.com
cwst.de
cstw.cn
swtc.jp
sctw.net
scwt.com.au
wsct.com.au
cwst.at
cwst.co.il
wtcs.ca
ctws.cn
ctsw.org.uk
wtcs.org.uk
tscw.de
wstc.org.uk
wcts.com
stcw.net
wtsc.org
wtsc.ie
stwc.cn
twcs.net.au
wcst.cn
ctws.net
wstc.com.ng
wstc.org
stcw.myqnapcloud.com
ctsw.es
cwst.com.au
cwst.fi
twcs.de
twsc.biz

DNS History

17 records (13 active, 4 former)

20162017201820192020202120222023202420252026NSns1.he.netns2.he.netns3.he.netns4.he.netns5.he.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA75.2.60.52001:470:0:16d::4047:a71b2001:470:0:e0::403e:d41364.62.212.1964.71.167.27
●NSns1.he.net2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●NSns2.he.net2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●NSns3.he.net2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●NSns4.he.net2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●NSns5.he.net2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●MXalt1.aspmx.l.google.com2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●MXalt2.aspmx.l.google.com2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●MXaspmx.l.google.com2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●MXaspmx2.googlemail.com2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●MXaspmx3.googlemail.com2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●MXaspmx4.googlemail.com2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
●MXaspmx5.googlemail.com2015-06-04 → 2026-03-27 · 2 obs
● 2015-06-04 23:56:36
● 2026-03-27 22:15:02
○A2001:470:0:16d::4047:a71b2015-06-04 → 2017-01-25 · 4 obs
● 2015-06-04 23:56:36
● 2017-01-25 05:04:30
○ 2017-07-02 10:14:10
○ 2026-03-27 22:15:02
○A2001:470:0:e0::403e:d4132017-07-02 → 2017-07-02 · 4 obs
○ 2017-01-25 05:04:30
● 2017-07-02 10:14:10
○ 2026-03-16 13:42:48
○ 2026-03-27 22:15:02
○A64.62.212.192017-07-02 → 2017-07-02 · 4 obs
○ 2017-01-25 05:04:30
● 2017-07-02 10:14:10
○ 2026-03-16 13:42:48
○ 2026-03-27 22:15:02
○A64.71.167.272015-06-04 → 2017-01-25 · 4 obs
● 2015-06-04 23:56:36
● 2017-01-25 05:04:30
○ 2017-07-02 10:14:10
○ 2026-03-27 22:15:02
●A75.2.60.52026-03-16 → 2026-03-27 · 3 obs
○ 2017-07-02 10:14:10
● 2026-03-16 13:42:48
● 2026-03-27 22:15:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edua.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...-
cwts.eduns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net...-

✅ Authoritative Response

Server:216.66.80.18

NS records: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net, ns5.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cwts.edu (unsigned zone)

⏱️ Timing

Total: 268ms | Queries: -

📄 Records

TypeCountSample Data
A175.2.60.5
NS5ns5.he.net, ns2.he.net...
MX7ALT2.ASPMX.L.GOOGLE.com (pri: 5), ASPMX.L.GOOGLE.com (pri: 1)...
TXT1v=spf1 include:_spf.google.com ~all incl
SOA1ns1.he.net hostmaster.he.net

Analysis

IP Addresses

cwts.edu maps to IP address 75.2.60.5.

Other host names, for instance armorall.com.au, techtutorials.tv, www.baycap.net, gooddata.cn and prime-appliance.com share IP numbers with cwts.edu.

Name Servers

cwts.edu delegates to five name servers: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net and ns5.he.net.

cwts.edu at least partially shares name servers with other domains such as nottadesign.com, echosixty.net, solarzone.co.za, naraya.eu and mac-cap.us.

these name servers are commonly used with the name servers ns2.afraid.org.

Two IPs per host name:

ns1.he.net points to: 2001:470:100::2 and 216.218.130.2

ns2.he.net points to: 2001:470:200::2 and 216.218.131.2

ns3.he.net points to: 2001:470:300::2 and 216.218.132.2

ns4.he.net points to: 2001:470:400::2 and 216.66.1.2

ns5.he.net points to: 2001:470:500::2 and 216.66.80.18

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)

Mail Servers

Seven mail servers handle cwts.edu: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

cwts.edu shares mail servers with other domains at least in part, for instance ns500742.ns500742.ns500671.ns500742.ns500704.ns500671.ns500688.ns500705.ns500671.ns500649.lustychickser.com, ns500698.ns500698.ns500759.ns500735.ns500735.ns500736.ns500698.ns500735.ns500576.ns500698.ns500708.ns500576.ns500686.ns500576.ns500619.trackreceptor.com, stemlife.com, star-ny.com and dnacollection.info.

These mail servers are commonly used together with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IPs:

aspmx2.googlemail.com has two IPs: 2607:f8b0:4023:2801::1a and 192.178.128.26.

aspmx3.googlemail.com has two IPs: 2a00:1450:4013:c1e::1b and 192.178.213.27.

aspmx4.googlemail.com has two IPs: 2607:f8b0:4023:3003::1b and 172.253.145.27.

aspmx5.googlemail.com has two IPs: 2a00:1450:400c:c00::1b and 173.194.76.27.

aspmx.l.google.com has two IPs: 2607:f8b0:4004:c19::1b and 142.251.179.27.

alt1.aspmx.l.google.com has two IPs: 2607:f8b0:4023:2801::1b and 192.178.128.26.

alt2.aspmx.l.google.com has two IPs: 2607:f8b0:4023:1015::1a and 172.253.135.27.

Host names pointing to 192.178.128.26: aspmx2.googlemail.com and alt1.aspmx.l.google.com.