csdo.org - robtex.com

csdo.org

DNSSEC⚠️ Not signed
A104.16.167.2Cloudflare104.16.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns21.worldnic.com ⭐
A162.159.26.132Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns22.worldnic.com
A162.159.27.77Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.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)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.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)
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
TXTMS=3857757BB05784AE100C63D54FF0753BE7F15304
TXTv=spf1 include:spf0.csdo.org -all
SOANS21.WORLDNIC.COMnamehost@WORLDNIC.COM serial=126040714

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=1776943060

Subdomains

mail.csdo.org

Same first word

csdo.cn
csdo.co.uk
csdo.org
csdo.net
csdo.it
csdo.de
csdo.eu

Similar names

cosd.com
docs.ir
dosc.net
osdc.com
docs.fm
dosc.es
docs.ltd
odsc.com
sdoc.eu
docs.school
dcos.hk
cosd.net
odsc.vic.gov.au
cdso.it
dcos.io
sdoc.com.ua
ocsd.ru
osdc.my
dosc.nl
csod.in
docs.org.uk
docs.com
dsco.jp
dsoc.de
oscd.org
scod.cn
odsc.be
dosc.ru
cdso.org
docs.wtf
dsco.cn
docs.health
docs.wiki
ocds.net
dosc.org
docs.com.hk
docs.house
dcos.cz
dcso.us
docs.bet
docs.li
sodc.in
sdco.or.kr
docs.solutions
dcso.com
docs.vapor.cloud
odcs.nl
dosc.ae
docs.education
docs.sg
osdc.ru
sdoc.io
docs.nl
docs.ie
cods.ru
docs.pet
csod.co
scod.ru
cdso.com.cn
scdo.de
docs.rw
docs.co
sdoc.ru
sdoc.jp
docs.dev.br
dsco.akamai.net
dcos.org
csod.jp
docs.readthedocs.io
docs.kr
docs.bio
ocsd.com
csod.sg
docs.com.tw
ocsd.net
sdco.cn
dsoc.ru
docs.es
cdso.ru
dsco.kr
docs.in
odcs.com.au
ocds.it
docs.co.il
ocsd.jp
docs.credit
ocsd.eu
docs.rs
docs.tw
csod.eu
cods.ca
sdco.org
dsco.pro
oscd.com
dcos.se
scod.fr
osdc.org.il
dcos.de
docs.at

DNS History

9 records (8 active, 1 former)

20162017201820192020202120222023202420252026NSns21.worldnic.comns22.worldnic.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.16.167.2216.31.250.199
●NSns21.worldnic.com2015-05-14 → 2026-04-23 · 2 obs
● 2015-05-14 02:45:16
● 2026-04-23 11:48:06
●NSns22.worldnic.com2015-05-14 → 2026-04-23 · 2 obs
● 2015-05-14 02:45:16
● 2026-04-23 11:48:06
●MXalt1.aspmx.l.google.com2015-05-14 → 2026-04-23 · 2 obs
● 2015-05-14 02:45:16
● 2026-04-23 11:48:06
●MXalt2.aspmx.l.google.com2015-05-14 → 2026-04-23 · 2 obs
● 2015-05-14 02:45:16
● 2026-04-23 11:48:06
●MXaspmx.l.google.com2015-05-14 → 2026-04-23 · 2 obs
● 2015-05-14 02:45:16
● 2026-04-23 11:48:06
●MXaspmx2.googlemail.com2015-05-14 → 2026-04-23 · 2 obs
● 2015-05-14 02:45:16
● 2026-04-23 11:48:06
●MXaspmx3.googlemail.com2015-05-14 → 2026-04-23 · 2 obs
● 2015-05-14 02:45:16
● 2026-04-23 11:48:06
●A104.16.167.22026-02-18 → 2026-04-23 · 7 obs
○ 2021-04-02 15:51:10
● 2026-02-18 13:22:16
● 2026-03-30 13:38:04
○ 2026-03-31 09:04:04
○ 2026-04-07 14:44:30
● 2026-04-15 17:25:32
● 2026-04-23 11:48:06
○A216.31.250.1992015-05-14 → 2021-04-02 · 4 obs
● 2015-05-14 02:45:16
● 2021-04-02 15:51:10
○ 2026-02-18 13:22:16
○ 2026-04-23 11:48:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
csdo.orgns21.worldnic.com, ns22.worldnic.com-

✅ Authoritative Response

Server:162.159.26.132

NS records: ns21.worldnic.com, ns22.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csdo.org (unsigned zone)

⏱️ Timing

Total: 1121ms | Queries: -

📄 Records

TypeCountSample Data
A1104.16.167.2
NS2ns22.worldnic.com, ns21.worldnic.com
MX5aspmx.l.google.com (pri: 1), alt2.aspmx.l.google.com (pri: 5)...
TXT2v=spf1 include:spf0.csdo.org -all, MS=3857757BB05784AE100C63D54FF0753BE7F15
SOA1NS21.WORLDNIC.COM namehost.WORLDNIC.COM

Analysis

Hierarchy

mail.csdo.org is a child of csdo.org.

IP Addresses

csdo.org resolves to one IP number: 104.16.167.2.

Other host names, for instance stjosephparish.com, olvfp.org, madisondiocese.org, stignatiushickory.org and biloxidiocese.org share IP numbers with csdo.org.

Name Servers

csdo.org's delegation uses two name servers: ns21.worldnic.com and ns22.worldnic.com.

csdo.org uses the same name server setup as other domains, such as rightangleweave.com, wr3a.net, barnhardt.net, suttonpl.net and vestal.net.

Host names with a single IP address: ns21.worldnic.com points to 162.159.26.132; ns22.worldnic.com points to 162.159.27.77.

Mail Servers

csdo.org is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

csdo.org shares at least some mail servers with other domains, for example datta.ro, ns500754.ns500742.ns500754.ns500671.ns500671.ns500671.ns500649.ns500291.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500671.ns500731.ns500754.ns500731.ns500671.ns500688.ns500705.ns500671.ns500671.ns500705.ns500666.ns500666.ns500131.lustychickser.com, ns500758.ns500758.ns500758.ns500758.ns500736.ns500735.ns500735.ns500735.ns500576.ns500708.ns500576.ns500698.ns500698.ns500619.ns500686.ns500619.ns500619.trackreceptor.com and ns500759.ns500759.ns500759.ns500759.ns500735.ns500735.ns500736.ns500735.ns500735.ns500736.ns500576.ns500619.ns500576.ns500576.trackreceptor.com.

these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers

aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26

aspmx3.googlemail.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.27

aspmx.l.google.com points to: 2607:f8b0:4023:c03::1a and 74.125.137.26

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26

alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.26

Host names that point to 192.178.128.26 are aspmx2.googlemail.com and alt1.aspmx.l.google.com