instanttestprep.com - dns.ninja
instanttestprep.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1781684455 | ||||||
Same first word
instanttestprep.com |
DNS History
10 records (8 active, 2 former)
●NSdns1.registrar-servers.com2017-12-06 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
●NSdns2.registrar-servers.com2017-12-06 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
●MXalt1.aspmx.l.google.com2017-12-06 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
●MXalt2.aspmx.l.google.com2017-12-06 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
●MXalt3.aspmx.l.google.com2017-12-06 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
●MXalt4.aspmx.l.google.com2017-12-06 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
●MXaspmx.l.google.com2017-12-06 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
○A162.255.119.1972017-12-06 → 2017-12-06 · 2 obs
○ 2026-06-17 08:33:20
●A3.21.169.852026-06-17 → 2026-06-17 · 2 obs
● 2026-06-17 08:33:20
○A52.14.119.132017-12-06 → 2017-12-06 · 2 obs
○ 2026-06-17 08:33:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| instanttestprep.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instanttestprep.com (unsigned zone)
⏱️ Timing
Total: 398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.21.169.85 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
instanttestprep.com resolves to one IP address: 3.21.169.85.
Host names such as ec2-3-21-169-85.us-east-2.compute.amazonaws.com and reactdash.com share IP numbers with instanttestprep.com.
Name Servers
instanttestprep.com is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
instanttestprep.com uses the same name servers as several other domains — among them doblia.com, kimspublishing.com, freewaikiki.com and two more.
instanttestprep.com shares at least some of its name servers with other domains, including tierific.com, straub.co, netzeroclassroom.com and two others.
These name servers are frequently paired with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
dns1.registrar-servers.com and dns2.registrar-servers.com each resolve to two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
Mail for instanttestprep.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
instanttestprep.com has at least partial mail server overlap with other domains such as vidason.com, relegator.com, liontart.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com points to 142.251.16.27 and 2607:f8b0:4004:c09::1b.
alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.