istp.org - robtex.com
istp.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Subdomains
www.istp.org |
Same first word
istp.com |
istp.su |
istp.us |
istp.sk |
istp.cz |
istp.de |
istp.cn |
istp.org |
istp.eu |
istp.net |
istp.kz |
istp.at |
istp.fr |
istp.tech |
istp.pt |
istp.school |
istp.nl |
Similar names
DNS History
16 records (12 active, 4 former)
●NSns-1407.awsdns-47.org2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●NSns-1671.awsdns-16.co.uk2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●NSns-424.awsdns-53.com2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●NSns-542.awsdns-03.net2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●MXalt1.aspmx.l.google.com2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●MXalt2.aspmx.l.google.com2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●MXalt3.aspmx.l.google.com2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●MXalt4.aspmx.l.google.com2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
●MXaspmx.l.google.com2015-08-08 → 2026-03-03 · 2 obs
● 2026-03-03 14:28:34
○A34.198.48.2412017-08-20 → 2017-08-20 · 4 obs
● 2017-08-20 23:38:56
○ 2021-08-02 23:36:28
○ 2026-03-03 14:28:34
●A52.21.193.1002021-08-02 → 2026-03-03 · 3 obs
● 2021-08-02 23:36:28
● 2026-03-03 14:28:34
○A52.4.237.1692017-08-20 → 2017-08-20 · 4 obs
● 2017-08-20 23:38:56
○ 2021-08-02 23:36:28
○ 2026-03-03 14:28:34
●A54.209.169.552021-08-02 → 2026-03-03 · 3 obs
● 2021-08-02 23:36:28
● 2026-03-03 14:28:34
●A54.209.77.182021-08-02 → 2026-03-03 · 3 obs
● 2021-08-02 23:36:28
● 2026-03-03 14:28:34
○A54.86.9.342015-08-08 → 2017-07-13 · 4 obs
● 2017-07-13 19:15:42
○ 2017-08-20 23:38:56
○ 2026-03-03 14:28:34
○A54.88.149.862015-08-08 → 2017-07-13 · 4 obs
● 2017-07-13 19:15:42
○ 2017-08-20 23:38:56
○ 2026-03-03 14:28:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| istp.org | ns-424.awsdns-53.com, ns-1671.awsdns-16.co.uk, ns-1407.awsdns-47.org, ns-542.awsdns-03.net | 1 record |
✅ Authoritative Response
Server: 205.251.193.168
NS records: ns-424.awsdns-53.com, ns-1671.awsdns-16.co.uk, ns-1407.awsdns-47.org, ns-542.awsdns-03.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for istp.org (unsigned zone)
⏱️ Timing
Total: 380ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 52.21.193.100, 54.209.77.18... |
| NS | 4 | ns-1407.awsdns-47.org, ns-1671.awsdns-16.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 6 | MS=ms59508487 google-site-verification=H, YKHR0CJN4W2QDDVR1OY5Q5S1PQR6T2S430J5K3M5... |
| SOA | 1 | ns-542.awsdns-03.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-1407.awsdns-47.org)
Analysis
Hierarchy
The parent of www.istp.org is istp.org.
IP Addresses
istp.org resolves to three IP numbers: 52.21.193.100, 54.209.77.18 and 54.209.169.55.
other host names include claycenter.org, stansteadcollege.com, sync-ml.friendsseminary.org, emeryweiner.org and 66-10-205-85.fsha.org; they share IP numbers with istp.org.
Name Servers
istp.org delegates to four name servers: ns-424.awsdns-53.com, ns-542.awsdns-03.net, ns-1407.awsdns-47.org and ns-1671.awsdns-16.co.uk.
istp.org at least partially shares name servers with other domains, for instance cielowigle.com, d3pizg3rr53ixt.cloudfront.net, surcos.com, demanews.com and diffuse.ly.
Host names with two IP numbers: ns-424.awsdns-53.com points to 2600:9000:5301:a800::1 and 205.251.193.168; ns-542.awsdns-03.net points to 2600:9000:5302:1e00::1 and 205.251.194.30; ns-1407.awsdns-47.org points to 2600:9000:5305:7f00::1 and 205.251.197.127; ns-1671.awsdns-16.co.uk points to 2600:9000:5306:8700::1 and 205.251.198.135.
Mail Servers
istp.org is served by five mail servers: 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.
istp.org shares at least partially some mail servers with other domains, for instance wsiwebsuccess.com, rivette.co, ns500758.ns500758.ns500759.ns500698.ns500759.ns500698.ns500698.ns500698.ns500576.ns500698.ns500576.ns500619.ns500576.ns500576.ns500652.trackreceptor.com, intectechnologies.com and ns500698.ns500698.ns500758.ns500698.ns500758.ns500735.ns500698.ns500735.ns500736.ns500698.ns500708.ns500708.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com.
Mail servers frequently appear alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
The host name aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.
The host name alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
The host name alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.
The host name alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.
The host name alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.