mrtutor.org - robtex.com
mrtutor.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-603.awsdns-11.net ⭐ | ||||||
| A | 2600:9000:5302:5b00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-603.awsdns-11.net | ||||||
| A | 205.251.194.91🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-603.awsdns-11.net | ||||||
| NS | ns-1364.awsdns-42.org | ||||||
| A | 2600:9000:5305:5400::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1364.awsdns-42.org | ||||||
| A | 205.251.197.84🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1364.awsdns-42.org | ||||||
| NS | ns-1732.awsdns-24.co.uk | ||||||
| A | 2600:9000:5306:c400::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1732.awsdns-24.co.uk | ||||||
| A | 205.251.198.196🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1732.awsdns-24.co.uk | ||||||
| NS | ns-320.awsdns-40.com | ||||||
| A | 2600:9000:5301:4000::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-320.awsdns-40.com | ||||||
| A | 205.251.193.64🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-320.awsdns-40.com | ||||||
| SOA | ns-603.awsdns-11.netawsdns-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=1778404569 | ||||||
Previously MX for
mrtutor.org |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns-1364.awsdns-42.org2026-03-19 → 2026-05-10 · 3 obs
● 2026-03-19 18:48:52
● 2026-05-10 09:31:02
●NSns-1732.awsdns-24.co.uk2026-03-19 → 2026-05-10 · 3 obs
● 2026-03-19 18:48:52
● 2026-05-10 09:31:02
●NSns-320.awsdns-40.com2026-03-19 → 2026-05-10 · 3 obs
● 2026-03-19 18:48:52
● 2026-05-10 09:31:02
●NSns-603.awsdns-11.net2026-03-19 → 2026-05-10 · 3 obs
● 2026-03-19 18:48:52
● 2026-05-10 09:31:02
○NSns6013.hostgator.com2015-07-19 → 2016-09-21 · 4 obs
● 2016-09-21 01:18:14
○ 2017-06-10 00:16:10
○ 2026-05-10 09:31:02
○NSns6014.hostgator.com2015-07-19 → 2016-09-21 · 4 obs
● 2016-09-21 01:18:14
○ 2017-06-10 00:16:10
○ 2026-05-10 09:31:02
○MXmrtutor.org2015-07-19 → 2016-09-21 · 4 obs
● 2016-09-21 01:18:14
○ 2017-06-10 00:16:10
○ 2026-05-10 09:31:02
○A50.87.146.962015-07-19 → 2016-09-21 · 4 obs
● 2016-09-21 01:18:14
○ 2017-06-10 00:16:10
○ 2026-05-10 09:31:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| mrtutor.org | ns-320.awsdns-40.com, ns-603.awsdns-11.net, ns-1364.awsdns-42.org, ns-1732.awsdns-24.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.194.91
NS records: ns-320.awsdns-40.com, ns-603.awsdns-11.net, ns-1364.awsdns-42.org, ns-1732.awsdns-24.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mrtutor.org (unsigned zone)
⏱️ Timing
Total: 398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1364.awsdns-42.org, ns-1732.awsdns-24.co.uk... |
| SOA | 1 | ns-603.awsdns-11.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-1364.awsdns-42.org, ns-1364.awsdns-42.org)
Analysis
Name Servers
mrtutor.org is delegated to four name servers: ns-320.awsdns-40.com, ns-603.awsdns-11.net, ns-1364.awsdns-42.org and ns-1732.awsdns-24.co.uk.
mrtutor.org at least partially shares name servers with other domains, including lmwkorea.com, akersfuneralhome.com, colorcoin.org, djjcnjef31xg6.cloudfront.net and zlienit.com.
Hosts with two IP numbers:
Host ns-320.awsdns-40.com points to 2600:9000:5301:4000::1 and 205.251.193.64
Host ns-603.awsdns-11.net points to 2600:9000:5302:5b00::1 and 205.251.194.91
Host ns-1364.awsdns-42.org points to 2600:9000:5305:5400::1 and 205.251.197.84
Host ns-1732.awsdns-24.co.uk points to 2600:9000:5306:c400::1 and 205.251.198.196