www.tutorfirst.com - robtex.com
www.tutorfirst.com
| DNSSEC | ⚠️ Not signed | ||||||
tutorfirst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 44.210.175.9🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
| NS | ns-1387.awsdns-45.org ⭐ | ||||||
| NS | ns-1856.awsdns-40.co.uk | ||||||
| NS | ns-257.awsdns-32.com | ||||||
| NS | ns-765.awsdns-31.net | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| TXT | v=spf1 include:_spf.google.com ~all | ||||||
| SOA | ns-1387.awsdns-45.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
Same first word
Similar names
DNS History
2 records (0 active, 2 former)
○A184.168.131.2412026-03-05 → 2026-03-25 · 2 obs
○ 2026-03-05 06:19:02
○ 2026-03-25 07:23:28
○ 2026-03-25 07:23:28
○A52.21.190.592017-01-02 → 2017-12-14 · 4 obs
● 2017-01-02 06:33:00
● 2017-12-14 12:15:36
○ 2026-03-05 06:19:02
○ 2026-03-25 07:23:28
● 2017-12-14 12:15:36
○ 2026-03-05 06:19:02
○ 2026-03-25 07:23:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| tutorfirst.com | ns-257.awsdns-32.com, ns-765.awsdns-31.net, ns-1856.awsdns-40.co.uk, ns-1387.awsdns-45.org | 1 record |
✅ Authoritative Response
Server:205.251.197.107
NS records: ns-257.awsdns-32.com, ns-765.awsdns-31.net, ns-1856.awsdns-40.co.uk, ns-1387.awsdns-45.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tutorfirst.com (unsigned zone)
⏱️ Timing
Total: 301ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-257.awsdns-32.com)