cs50.tech - robtex.com
cs50.tech
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1787204639 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
10 records (5 active, 5 former)
●NSns1.abovedomains.com2026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 02:44:28
● 2026-08-20 05:49:26
●NSns15.abovedomains.com2026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 02:44:28
● 2026-08-20 05:49:26
●NSns16.abovedomains.com2026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 02:44:28
● 2026-08-20 05:49:26
○NSns27.domaincontrol.com2016-12-13 → 2016-12-13 · 3 obs
○ 2018-07-12 00:57:08
○ 2026-08-20 05:49:26
○NSns28.domaincontrol.com2016-12-13 → 2016-12-13 · 3 obs
○ 2018-07-12 00:57:08
○ 2026-08-20 05:49:26
○MXmailstore1.secureserver.net2016-12-13 → 2016-12-13 · 3 obs
○ 2018-07-12 00:57:08
○ 2026-08-20 05:49:26
●MXpark-mx.above.com2026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 02:44:28
● 2026-08-20 05:49:26
○MXsmtp.secureserver.net2016-12-13 → 2016-12-13 · 3 obs
○ 2018-07-12 00:57:08
○ 2026-08-20 05:49:26
●A103.224.212.2132026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 02:44:28
● 2026-08-20 05:49:26
○A50.63.202.482016-12-13 → 2016-12-13 · 3 obs
○ 2018-07-12 00:57:08
○ 2026-08-20 05:49:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net | 8 records |
| cs50.tech | ns16.abovedomains.com, ns15.abovedomains.com | - |
✅ Authoritative Response
Server:103.224.182.37
NS records: ns16.abovedomains.com, ns15.abovedomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cs50.tech (unsigned zone)
⏱️ Timing
Total: 504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.224.212.213 |
| NS | 2 | ns15.abovedomains.com, ns16.abovedomains.com |
| MX | 1 | park-mx.above.com (pri: 10) |
| TXT | 1 | v=spf1 ip6:fdcf:abda:4154::/48 -all |
| SOA | 1 | ns1.abovedomains.com hostmaster.trellian |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns10.trs-dns.org...)
Analysis
IP Addresses
cs50.tech resolves to just one IP address, 103.224.212.213.
Two other host names, along with 123kubo.com, bet2blockchain.com and www.movieplex.store, also share IP numbers with cs50.tech.
Name Servers
Three name servers are authoritative for cs50.tech: ns15.abovedomains.com, ns16.abovedomains.com and ns1.abovedomains.com.
cs50.tech shares at least some of its name servers with other domains, including 2360k.com, after-bi.gudfilm2.art, adcareer.com and two others.
The name servers ns2.abovedomains.com, 5014.ns1.abovedomains.com, 5014.ns2.abovedomains.com and two others are commonly seen in use alongside these name servers.
Host names that resolve to four IP numbers:
ns1.abovedomains.com points to 103.224.182.9, 103.224.182.77, 103.224.182.85 and 103.224.212.9.
Host names that point to one IP address:
ns15.abovedomains.com points to the IP address 103.224.182.37.
ns16.abovedomains.com points to the IP address 103.224.212.37.
Mail Servers
The sole mail server for cs50.tech is park-mx.above.com.
Among the domains sharing a mail server setup with cs50.tech are dotapay.site, www.d-d.org, mppp.vidak.icu and two others.
There is one IP number for park-mx.above.com: 103.224.212.34.