ps171.org - robtex.com

ps171.org

DNSSEC⚠️ Not signed
A54.152.155.0🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix
PTRec2-54-152-155-0.compute-1.amazonaws.com
NSns-1017.awsdns-63.net ⭐
A2600:9000:5303:f900::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-1017.awsdns-63.net
A205.251.195.249🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-1017.awsdns-63.net
NSns-1063.awsdns-04.org
A2600:9000:5304:2700::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1063.awsdns-04.org
A205.251.196.39🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1063.awsdns-04.org
NSns-1559.awsdns-02.co.uk
A2600:9000:5306:1700::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1559.awsdns-02.co.uk
A205.251.198.23🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1559.awsdns-02.co.uk
NSns-66.awsdns-08.com
A2600:9000:5300:4200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-66.awsdns-08.com
A205.251.192.66🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-66.awsdns-08.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A142.251.2.26🇺🇸 Google142.251.2.0/24
PTRdl-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.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
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTv=spf1 a mx ptr a:*.echalk.net ~all
SOAns-1017.awsdns-63.netawsdns-hostmaster@amazon.com serial=1

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=1776997474

Same first word

ps171.org

DNS History

15 records (10 active, 5 former)

20162017201820192020202120222023202420252026NSns-1017.awsdns-63.netns-1063.awsdns-04.orgns-1559.awsdns-02.co.ukns-66.awsdns-08.comns1.sungardns.comns2.sungardns.comns3.sungardns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.echalk.comA54.152.155.067.202.217.94
●NSns-1017.awsdns-63.net2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
●NSns-1063.awsdns-04.org2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
●NSns-1559.awsdns-02.co.uk2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
●NSns-66.awsdns-08.com2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
○NSns1.sungardns.com2015-07-23 → 2016-05-09 · 4 obs
● 2015-07-23 19:47:04
● 2016-05-09 04:17:14
○ 2026-02-26 08:33:12
○ 2026-04-24 02:59:04
○NSns2.sungardns.com2015-07-23 → 2016-05-09 · 4 obs
● 2015-07-23 19:47:04
● 2016-05-09 04:17:14
○ 2026-02-26 08:33:12
○ 2026-04-24 02:59:04
○NSns3.sungardns.com2015-07-23 → 2016-05-09 · 4 obs
● 2015-07-23 19:47:04
● 2016-05-09 04:17:14
○ 2026-02-26 08:33:12
○ 2026-04-24 02:59:04
●MXalt1.aspmx.l.google.com2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
●MXalt2.aspmx.l.google.com2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
●MXalt3.aspmx.l.google.com2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
●MXalt4.aspmx.l.google.com2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
●MXaspmx.l.google.com2026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
○MXmail.echalk.com2015-07-23 → 2016-05-09 · 4 obs
● 2015-07-23 19:47:04
● 2016-05-09 04:17:14
○ 2026-02-26 08:33:12
○ 2026-04-24 02:59:04
●A54.152.155.02026-02-26 → 2026-04-24 · 3 obs
○ 2016-05-09 04:17:14
● 2026-02-26 08:33:12
● 2026-04-24 02:59:04
○A67.202.217.942015-07-23 → 2016-05-09 · 4 obs
● 2015-07-23 19:47:04
● 2016-05-09 04:17:14
○ 2026-02-26 08:33:12
○ 2026-04-24 02:59:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
ps171.orgns-1017.awsdns-63.net, ns-1559.awsdns-02.co.uk, ns-66.awsdns-08.com, ns-1063.awsdns-04.org1 record

✅ Authoritative Response

Server:205.251.195.249

NS records: ns-1017.awsdns-63.net, ns-1559.awsdns-02.co.uk, ns-66.awsdns-08.com, ns-1063.awsdns-04.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ps171.org (unsigned zone)

⏱️ Timing

Total: 809ms | Queries: -

📄 Records

TypeCountSample Data
A154.152.155.0
NS4ns-1017.awsdns-63.net, ns-1063.awsdns-04.org...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT1v=spf1 a mx ptr a:*.echalk.net ~all
SOA1ns-1017.awsdns-63.net awsdns-hostmaster.

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1063.awsdns-04.org)

Analysis

IP Addresses

ps171.org points to a single IP: 54.152.155.0.

Other host names, for instance southbronxprep.net, carmelschools.org, appabx.org, qemagnetschool.org and nyclabschool.org share IP numbers with ps171.org.

Name Servers

ps171.org is delegated to four name servers: ns-66.awsdns-08.com, ns-1017.awsdns-63.net, ns-1063.awsdns-04.org and ns-1559.awsdns-02.co.uk.

ps171.org at least partially shares its name servers with other domains, for instance openspeede.com, confluencetax.com, emails.redstrike.us, goodinson.com and dp8ozi4aflkte.cloudfront.net.

Host names with two IPs: ns-66.awsdns-08.com points to 2600:9000:5300:4200::1 and 205.251.192.66; ns-1017.awsdns-63.net points to 2600:9000:5303:f900::1 and 205.251.195.249; ns-1063.awsdns-04.org points to 2600:9000:5304:2700::1 and 205.251.196.39; ns-1559.awsdns-02.co.uk points to 2600:9000:5306:1700::1 and 205.251.198.23.

Mail Servers

Five mail servers handle ps171.org: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

ps171.org shares some mail servers with other domains, including ns500759.ns500758.ns500759.ns500759.ns500736.ns500735.ns500698.ns500735.ns500736.ns500708.ns500619.ns500619.ns500576.trackreceptor.com, ns500759.ns500759.ns500759.ns500735.ns500698.ns500735.ns500698.ns500735.ns500698.ns500708.ns500576.ns500698.ns500576.ns500652.ns500652.ns500619.trackreceptor.com, ns500731.ns500731.ns500742.ns500671.ns500705.ns500704.ns500671.ns500678.ns500671.ns500671.ns500649.ns500291.ns500131.lustychickser.com, ns500698.ns500698.ns500736.ns500698.ns500735.ns500698.ns500698.ns500698.ns500576.ns500708.ns500686.ns500619.ns500576.ns500619.trackreceptor.com and ns500734.ns500699.ns500699.ns500734.ns500693.ns500699.ns500699.ns500693.ns500699.ns500699.ns500699.ns500693.ns500588.ns500693.ns500588.ns500699.ns500588.dtrkdll.com.

these mail servers are often used alongside the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c06::1a and 142.251.2.26.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27.

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

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.26.