gradschool.co - robtex.com
gradschool.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.213.45🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a67c48129651a0940.awsglobalaccelerator.com | ||||||
| A | 76.223.67.189🇺🇸 Amazon76.223.64.0/20 | ||||||
| NS | ns43.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2152::16🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns43.domaincontrol.com | ||||||
| A | 97.74.101.22🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns43.domaincontrol.com | ||||||
| NS | ns44.domaincontrol.com | ||||||
| A | 2603:5:2252::16🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns44.domaincontrol.com | ||||||
| A | 173.201.69.22🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns44.domaincontrol.com | ||||||
| SOA | ns43.domaincontrol.comdns@jomax.net 2026-04-23 #3 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759724490 | ||||||
Same first word
gradschool.com |
gradschool.jp |
gradschool.info |
gradschool.ca |
gradschool.de |
gradschool.net |
gradschool.us |
gradschool.tv |
gradschool.co |
Similar names
DNS History
12 records (4 active, 8 former)
○NSdns1.registrar-servers.com2017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
○NSdns2.registrar-servers.com2017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
●NSns43.domaincontrol.com2026-06-15 → 2026-08-04 · 3 obs
● 2026-06-15 20:09:04
● 2026-08-04 09:17:06
●NSns44.domaincontrol.com2026-06-15 → 2026-08-04 · 3 obs
● 2026-06-15 20:09:04
● 2026-08-04 09:17:06
○MXeforward1.registrar-servers.com2017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
○MXeforward2.registrar-servers.com2017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
○MXeforward3.registrar-servers.com2017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
○MXeforward4.registrar-servers.com2017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
○MXeforward5.registrar-servers.com2017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
●A13.248.213.452026-06-15 → 2026-08-04 · 3 obs
● 2026-06-15 20:09:04
● 2026-08-04 09:17:06
○A162.255.119.2482017-10-16 → 2017-10-16 · 3 obs
○ 2026-06-15 20:09:04
○ 2026-08-04 09:17:06
●A76.223.67.1892026-06-15 → 2026-08-04 · 3 obs
● 2026-06-15 20:09:04
● 2026-08-04 09:17:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| gradschool.co | ns43.domaincontrol.com, ns44.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.101.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gradschool.co (unsigned zone)
⏱️ Timing
Total: 183ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.67.189, 13.248.213.45 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
gradschool.co resolves to the IP addresses 13.248.213.45 and 76.223.67.189
notarytrek.com, splashclearpools.com, duqredmasquers.com and two other host names share IP numbers with gradschool.co.
Name Servers
Two name servers handle the delegation for gradschool.co: ns43.domaincontrol.com and ns44.domaincontrol.com.
gradschool.co uses the same name servers as several other domains — among them orthogap.com, pickspredictions.com, ptandsr.com and two more.
ns43.domaincontrol.com and ns44.domaincontrol.com both carry two IP addresses. The A records for ns43.domaincontrol.com are 97.74.101.22 and 2603:5:2152::16; the A records for ns44.domaincontrol.com are 173.201.69.22 and 2603:5:2252::16.