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ascd.org

DNSSEC⚠️ Not signed
A18.213.243.117🇺🇸 Amazon
PTRec2-18-213-243-117.compute-1.amazonaws.com
A44.206.166.52🇺🇸 Amazon
A44.216.132.7🇺🇸 Amazon
NSns-1501.awsdns-59.org ⭐
A2600:9000:5305:dd00::1🇺🇸 Amazon
PTRns-1501.awsdns-59.org
A205.251.197.221🇺🇸 Amazon
PTRns-1501.awsdns-59.org
NSns-1767.awsdns-28.co.uk
A2600:9000:5306:e700::1🇺🇸 Amazon
PTRns-1767.awsdns-28.co.uk
A205.251.198.231🇺🇸 Amazon
PTRns-1767.awsdns-28.co.uk
NSns-339.awsdns-42.com
A2600:9000:5301:5300::1🇺🇸 Amazon
PTRns-339.awsdns-42.com
A205.251.193.83🇺🇸 Amazon
PTRns-339.awsdns-42.com
NSns-990.awsdns-59.net
A2600:9000:5303:de00::1🇺🇸 Amazon
PTRns-990.awsdns-59.net
A205.251.195.222🇺🇸 Amazon
PTRns-990.awsdns-59.net
MXascd-org.mail.protection.outlook.com ⭐
A2a01:111:f403:c803::🇺🇸 Microsoft
PTRmail-bn1pr21cu00200.inbound.protection.outlook.com
A2a01:111:f403:c927::1🇺🇸 Microsoft
PTRmail-bn8pr05cu00301.inbound.protection.outlook.com
A2a01:111:f403:c92c::2🇺🇸 Microsoft
PTRmail-dm2pr04cu00102.inbound.protection.outlook.com
A2a01:111:f403:f909::🇺🇸 Microsoft
PTRmail-bn6pr04cu00200.inbound.protection.outlook.com
A52.101.9.20🇺🇸 Microsoft
PTRmail-bl0pr02cu00604.inbound.protection.outlook.com
A52.101.11.9🇺🇸 Microsoft
PTRmail-sn1pr02cu00101.inbound.protection.outlook.com
A52.101.41.4🇺🇸 Microsoft
PTRmail-sj2pr05cu00204.inbound.protection.outlook.com
A52.101.41.22🇺🇸 Microsoft
PTRmail-sj2pr05cu00406.inbound.protection.outlook.com
TXTCCxI1uBGTpRfBPBDME2Ai9hFhi/8xYuPT4l5DKrTIoNGYITnVqr4itlfBk2F7eWNErCNVaJv5Yqb7...
TXTMS=ms87712948
TXTfacebook-domain-verification=cwpwe80xa8i34r8p1dym5i34c9flkp
TXTgoogle-site-verification=ZJtIyLPXJpmg2BrNzcNeBhpf7Yp0abh5ZRA2PNqqg9M
TXTgoogle-site-verification=pelCzFDIzufLZqrxRgW6sTxuxtVpFPo-iJWbpPw01tg
TXTlucid-verification=8ck@Q6!6sVYQ#FE%Q0Gw
TXTsmartsheet-site-validation=a4s8HNBHow8WAd5GbwFmrPld3DWhzNvN
TXTsolarwinds-service0desk-verification=a84c39ba70b1ee8e76143d608a7aa17b
TXTv=spf1 ip4:52.61.91.9 ip4:52.0.20.102 ip4:52.2.238.96 ip4:40.92.0.0/15 ip4:67...
SOAns-1501.awsdns-59.orgawsdns-hostmaster@amazon.com serial=1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️
NSa2.org.afilias-nst.info⚠️
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info⚠️
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736
rank #6886 globally
rank #782 in the tld
📈 Tranco rank: #27,653

Up

ebusiness.ascd.org
pdo.ascd.org
events.ascd.org
www.ascd.org
survey.ascd.org
streaming.ascd.org
pdonline.ascd.org
myteachsource.ascd.org
pdinfocus.ascd.org
files.ascd.org

Same first word

ascd.com
ascd.cn
ascd.nl
ascd.ca
ascd.net
ascd.org
ascd.mobi
ascd.ro
ascd.de

Similar names

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sadc.me
cdas.org.au
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cdas.org.sg
dasc.edu.mx
dacs.net
adsc.pro
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dacs.co
dsca.be
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asdc.ir
dsca.net
dasc.de
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casd.de
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adsc.co.uk
adcs.cz
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sdca.co.in
acds.com.cn
dsac.ir
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adsc.net
dasc.pl
cads.com
sdac.it
csad.it
casd.com.mx
sadc.co.za
csda.gov.au
sadc.ca
asdc.nl
scad.dating
acds.us
acds.co
cdsa.org.nz
cdsa.pl
acds.de
sdca.ir
casd.guru
csda.net
adcs.ru
dcas.nl
dacs.be
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acds.com.br
dasc.ru
scda.com
dacs.co.jp
cdas.co
scad.life
scad.zone
cdsa.org
acds.co.in
acsd.ac.in
csda.it
scad.org.uk
dsca.org.ye
cads.fi

DNS History

29 records (8 active, 21 former)

20162017201820192020202120222023202420252026NSns-1501.awsdns-59.orgns-1767.awsdns-28.co.ukns-339.awsdns-42.comns-990.awsdns-59.net205.159.133.48205.159.133.48208.39.158.1garfield.ascd.orgns.ascd.orgns1-09.azure-dns.comns1.comcastbusiness.netns10.customer.level3.netns11.customer.level3.netns2-09.azure-dns.netns2.ascd.orgns2.comcastbusiness.netns3-09.azure-dns.orgns3.comcastbusiness.netns4-09.azure-dns.infons4.comcastbusiness.netns5.comcastbusiness.netudnsMXascd-org.mail.protection.outlook.comascd.org.inbound10.mxlogic.netascd.org.inbound10.mxlogicmx.netA18.213.243.11744.206.166.5244.216.132.7205.159.133.3
○NS205.159.133.482015-09-04 → 2016-10-01 · 5 obs
○ 2015-09-03 13:24:16
● 2015-09-04 15:57:42
● 2016-10-01 08:13:30
○ 2016-10-08 11:18:46
○ 2026-02-17 08:00:28
○NS205.159.133.482015-09-03 → 2015-09-03 · 3 obs
● 2015-09-03 13:24:16
○ 2015-09-04 15:57:42
○ 2026-02-17 08:00:28
○NS208.39.158.12016-10-08 → 2019-05-15 · 8 obs
○ 2016-10-01 08:13:30
● 2016-10-08 11:18:46
● 2016-12-31 00:12:58
○ 2017-02-05 13:53:52
○ 2018-08-20 00:50:54
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSgarfield.ascd.org2015-09-03 → 2019-05-15 · 4 obs
● 2015-09-03 13:24:16
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
●NSns-1501.awsdns-59.org2026-02-17 → 2026-02-17 · 2 obs
○ 2021-09-11 13:08:18
● 2026-02-17 08:00:28
●NSns-1767.awsdns-28.co.uk2026-02-17 → 2026-02-17 · 2 obs
○ 2021-09-11 13:08:18
● 2026-02-17 08:00:28
●NSns-339.awsdns-42.com2026-02-17 → 2026-02-17 · 2 obs
○ 2021-09-11 13:08:18
● 2026-02-17 08:00:28
●NSns-990.awsdns-59.net2026-02-17 → 2026-02-17 · 2 obs
○ 2021-09-11 13:08:18
● 2026-02-17 08:00:28
○NSns.ascd.org2015-09-03 → 2019-05-15 · 4 obs
● 2015-09-03 13:24:16
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSns1-09.azure-dns.com2021-05-01 → 2021-09-11 · 4 obs
○ 2019-05-15 20:57:34
● 2021-05-01 19:49:42
● 2021-09-11 13:08:18
○ 2026-02-17 08:00:28
○NSns1.comcastbusiness.net2016-10-08 → 2019-05-15 · 5 obs
○ 2016-10-01 08:13:30
● 2016-10-08 11:18:46
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSns10.customer.level3.net2015-09-03 → 2016-10-08 · 4 obs
● 2015-09-03 13:24:16
● 2016-10-08 11:18:46
○ 2016-10-15 17:56:48
○ 2026-02-17 08:00:28
○NSns11.customer.level3.net2015-09-03 → 2016-10-08 · 4 obs
● 2015-09-03 13:24:16
● 2016-10-08 11:18:46
○ 2016-10-15 17:56:48
○ 2026-02-17 08:00:28
○NSns2-09.azure-dns.net2021-05-01 → 2021-09-11 · 4 obs
○ 2019-05-15 20:57:34
● 2021-05-01 19:49:42
● 2021-09-11 13:08:18
○ 2026-02-17 08:00:28
○NSns2.ascd.org2017-05-17 → 2019-05-15 · 5 obs
○ 2017-02-05 13:53:52
● 2017-05-17 09:29:50
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSns2.comcastbusiness.net2016-10-08 → 2019-05-15 · 5 obs
○ 2016-10-01 08:13:30
● 2016-10-08 11:18:46
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSns3-09.azure-dns.org2021-05-01 → 2021-09-11 · 4 obs
○ 2019-05-15 20:57:34
● 2021-05-01 19:49:42
● 2021-09-11 13:08:18
○ 2026-02-17 08:00:28
○NSns3.comcastbusiness.net2016-10-08 → 2019-05-15 · 5 obs
○ 2016-10-01 08:13:30
● 2016-10-08 11:18:46
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSns4-09.azure-dns.info2021-05-01 → 2021-09-11 · 4 obs
○ 2019-05-15 20:57:34
● 2021-05-01 19:49:42
● 2021-09-11 13:08:18
○ 2026-02-17 08:00:28
○NSns4.comcastbusiness.net2016-10-08 → 2019-05-15 · 5 obs
○ 2016-10-01 08:13:30
● 2016-10-08 11:18:46
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSns5.comcastbusiness.net2016-10-08 → 2019-05-15 · 5 obs
○ 2016-10-01 08:13:30
● 2016-10-08 11:18:46
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
○NSudns2015-09-03 → 2019-05-15 · 4 obs
● 2015-09-03 13:24:16
● 2019-05-15 20:57:34
○ 2021-05-01 19:49:42
○ 2026-02-17 08:00:28
●MXascd-org.mail.protection.outlook.com2017-02-05 → 2026-02-17 · 3 obs
○ 2016-12-31 00:12:58
● 2017-02-05 13:53:52
● 2026-02-17 08:00:28
○MXascd.org.inbound10.mxlogic.net2015-09-03 → 2016-12-31 · 4 obs
● 2015-09-03 13:24:16
● 2016-12-31 00:12:58
○ 2017-02-05 13:53:52
○ 2026-02-17 08:00:28
○MXascd.org.inbound10.mxlogicmx.net2015-09-03 → 2016-12-31 · 4 obs
● 2015-09-03 13:24:16
● 2016-12-31 00:12:58
○ 2017-02-05 13:53:52
○ 2026-02-17 08:00:28
●A18.213.243.1172026-02-17 → 2026-02-17 · 2 obs
○ 2021-09-11 13:08:18
● 2026-02-17 08:00:28
○A205.159.133.32015-09-03 → 2021-09-11 · 3 obs
● 2015-09-03 13:24:16
● 2021-09-11 13:08:18
○ 2026-02-17 08:00:28
●A44.206.166.522026-02-17 → 2026-02-17 · 2 obs
○ 2021-09-11 13:08:18
● 2026-02-17 08:00:28
●A44.216.132.72026-02-17 → 2026-02-17 · 2 obs
○ 2021-09-11 13:08:18
● 2026-02-17 08:00:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
ascd.orgns-1501.awsdns-59.org, ns-339.awsdns-42.com, ns-990.awsdns-59.net, ns-1767.awsdns-28.co.uk1 record

✅ Authoritative Response

Server: 205.251.195.222

NS records: ns-1501.awsdns-59.org, ns-339.awsdns-42.com, ns-990.awsdns-59.net, ns-1767.awsdns-28.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ascd.org (unsigned zone)

⏱️ Timing

Total: 826ms | Queries: -

📄 Records

TypeCountSample Data
A344.216.132.7, 18.213.243.117...
NS4ns-1501.awsdns-59.org, ns-1767.awsdns-28.co.uk...
MX1ascd-org.mail.protection.outlook.com (pr
TXT9CCxI1uBGTpRfBPBDME2Ai9hFhi/8xYuPT4l5DKrT, MS=ms87712948...
SOA1ns-1501.awsdns-59.org awsdns-hostmaster.

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1501.awsdns-59.org)

AI analysis

ascd.org is the parent of ebusiness.ascd.org, pdo.ascd.org, events.ascd.org, www.ascd.org, survey.ascd.org and several other host names.

Three IP numbers for ascd.org are 18.213.243.117, 44.206.166.52 and 44.216.132.7.

Other host names, for instance ec2-18-213-243-117.compute-1.amazonaws.com, share IP numbers with ascd.org.

ascd.org is delegated to four name servers: ns-339.awsdns-42.com, ns-990.awsdns-59.net, ns-1501.awsdns-59.org and ns-1767.awsdns-28.co.uk.

ascd.org at least partially shares its name servers with other domains, for instance snapshotmedia.co.uk, mail.owendominicantours.com, floreloy.com, blackchair.net and brekkies.co.uk.

These name servers are commonly used with ns-506.awsdns-63.com, ns-852.awsdns-42.net, ns-1504.awsdns-60.org, ns-5.awsdns-00.com, ns-1190.awsdns-20.org, ns-1630.awsdns-11.co.uk and ns-177.awsdns-22.com.

Host names with two IPs: ns-339.awsdns-42.com points to 2600:9000:5301:5300::1 and 205.251.193.83; ns-990.awsdns-59.net points to 2600:9000:5303:de00::1 and 205.251.195.222; ns-1501.awsdns-59.org points to 2600:9000:5305:dd00::1 and 205.251.197.221; ns-1767.awsdns-28.co.uk points to 2600:9000:5306:e700::1 and 205.251.198.231.

ascd.org is served by a single mail server, ascd-org.mail.protection.outlook.com.

The host name ascd-org.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c803::, 2a01:111:f403:c927::1, 2a01:111:f403:c92c::2, 2a01:111:f403:f909::, 52.101.9.20, 52.101.11.9, 52.101.41.4 and 52.101.41.22.