calsda.org - robtex.com
calsda.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.202.210.212🇺🇸 Amazon54.202.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-202-210-212.us-west-2.compute.amazonaws.com | ||||||
| NS | ns-1877.awsdns-42.co.uk ⭐ | ||||||
| A | 2600:9000:5307:5500::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1877.awsdns-42.co.uk | ||||||
| A | 205.251.199.85🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1877.awsdns-42.co.uk | ||||||
| NS | ns-1410.awsdns-48.org | ||||||
| A | 2600:9000:5305:8200::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1410.awsdns-48.org | ||||||
| A | 205.251.197.130🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1410.awsdns-48.org | ||||||
| NS | ns-365.awsdns-45.com | ||||||
| A | 2600:9000:5301:6d00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-365.awsdns-45.com | ||||||
| A | 205.251.193.109🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-365.awsdns-45.com | ||||||
| NS | ns-655.awsdns-17.net | ||||||
| A | 2600:9000:5302:8f00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-655.awsdns-17.net | ||||||
| A | 205.251.194.143🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-655.awsdns-17.net | ||||||
| SOA | ns-1877.awsdns-42.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1786744336 | ||||||
Subdomains
www.calsda.org |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSns-1410.awsdns-48.org2026-06-03 → 2026-08-14 · 3 obs
● 2026-06-03 11:42:36
● 2026-08-14 22:09:14
●NSns-1877.awsdns-42.co.uk2026-06-03 → 2026-08-14 · 3 obs
● 2026-06-03 11:42:36
● 2026-08-14 22:09:14
●NSns-365.awsdns-45.com2026-06-03 → 2026-08-14 · 3 obs
● 2026-06-03 11:42:36
● 2026-08-14 22:09:14
●NSns-655.awsdns-17.net2026-06-03 → 2026-08-14 · 3 obs
● 2026-06-03 11:42:36
● 2026-08-14 22:09:14
○NSns11.domaincontrol.com2015-08-14 → 2017-06-21 · 4 obs
● 2017-06-21 18:02:08
○ 2026-06-03 11:42:36
○ 2026-08-14 22:09:14
○NSns12.domaincontrol.com2015-08-14 → 2017-06-21 · 4 obs
● 2017-06-21 18:02:08
○ 2026-06-03 11:42:36
○ 2026-08-14 22:09:14
○MXmailstore1.secureserver.net2015-08-14 → 2017-06-21 · 4 obs
● 2017-06-21 18:02:08
○ 2026-06-03 11:42:36
○ 2026-08-14 22:09:14
○MXsmtp.secureserver.net2015-08-14 → 2017-06-21 · 4 obs
● 2017-06-21 18:02:08
○ 2026-06-03 11:42:36
○ 2026-08-14 22:09:14
○A54.200.141.1052015-08-14 → 2017-06-21 · 4 obs
● 2017-06-21 18:02:08
○ 2026-06-03 11:42:36
○ 2026-08-14 22:09:14
●A54.202.210.2122026-06-03 → 2026-08-14 · 3 obs
● 2026-06-03 11:42:36
● 2026-08-14 22:09:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| calsda.org | ns-1877.awsdns-42.co.uk, ns-365.awsdns-45.com, ns-655.awsdns-17.net, ns-1410.awsdns-48.org | 2 records |
✅ Authoritative Response
Server:205.251.199.85
NS records: ns-1877.awsdns-42.co.uk, ns-365.awsdns-45.com, ns-655.awsdns-17.net, ns-1410.awsdns-48.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calsda.org (unsigned zone)
⏱️ Timing
Total: 1156ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.202.210.212 |
| NS | 4 | ns-1410.awsdns-48.org, ns-1877.awsdns-42.co.uk... |
| SOA | 1 | ns-1877.awsdns-42.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-1410.awsdns-48.org, ns-1410.awsdns-48.org)
Analysis
Hierarchy
www.calsda.org is a subdomain of calsda.org.
IP Addresses
calsda.org resolves to just one IP address, 54.202.210.212.
Two other host names, along with venuehotel.sg, steuartholidays.com and tangerinetours.com, also share IP numbers with calsda.org.
Name Servers
The NS records for calsda.org point to four name servers: ns-365.awsdns-45.com, ns-655.awsdns-17.net, ns-1410.awsdns-48.org and ns-1877.awsdns-42.co.uk.
The name servers of calsda.org overlap at least partially with those of other domains — among them jointoucan.com, bmihosting.com, pozitron.com.tr and two more.
Each of the four hosts ns-365.awsdns-45.com, ns-655.awsdns-17.net, ns-1410.awsdns-48.org and ns-1877.awsdns-42.co.uk has two IP addresses. ns-365.awsdns-45.com points to 205.251.193.109 and 2600:9000:5301:6d00::1. ns-655.awsdns-17.net points to 205.251.194.143 and 2600:9000:5302:8f00::1. ns-1410.awsdns-48.org points to 205.251.197.130 and 2600:9000:5305:8200::1. ns-1877.awsdns-42.co.uk points to 205.251.199.85 and 2600:9000:5307:5500::1.