preptoolkit.org - robtex.com
preptoolkit.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1429.awsdns-50.org ⭐ | ||||||
| A | 2600:9000:5305:9500::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1429.awsdns-50.org | ||||||
| A | 205.251.197.149🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1429.awsdns-50.org | ||||||
| NS | ns-1848.awsdns-39.co.uk | ||||||
| A | 2600:9000:5307:3800::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1848.awsdns-39.co.uk | ||||||
| A | 205.251.199.56🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1848.awsdns-39.co.uk | ||||||
| NS | ns-2.awsdns-00.com | ||||||
| A | 2600:9000:5300:200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-2.awsdns-00.com | ||||||
| A | 205.251.192.2🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-2.awsdns-00.com | ||||||
| NS | ns-759.awsdns-30.net | ||||||
| A | 2600:9000:5302:f700::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-759.awsdns-30.net | ||||||
| A | 205.251.194.247🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-759.awsdns-30.net | ||||||
| MX | mail.demo.preptoolkit.org ⭐ | ||||||
| A | 54.164.157.133🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix | ||||||
| PTR | mail.preptoolkit.org | ||||||
| TXT | v=spf1 ip4:54.164.157.133 ip4:54.86.174.95 -all | ||||||
| SOA | ns-1429.awsdns-50.orgawsdns-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=1774768483 | ||||||
Subdomains
mail.preptoolkit.org |
Same first word
preptoolkit.org |
Similar names
DNS History
7 records (5 active, 2 former)
●NSns-1429.awsdns-50.org2015-07-07 → 2026-03-29 · 2 obs
● 2026-03-29 07:25:56
●NSns-1848.awsdns-39.co.uk2015-07-07 → 2026-03-29 · 2 obs
● 2026-03-29 07:25:56
●NSns-2.awsdns-00.com2015-07-07 → 2026-03-29 · 2 obs
● 2026-03-29 07:25:56
●NSns-759.awsdns-30.net2015-07-07 → 2026-03-29 · 2 obs
● 2026-03-29 07:25:56
●MXmail.demo.preptoolkit.org2017-06-27 → 2026-03-29 · 3 obs
● 2017-06-27 10:11:24
● 2026-03-29 07:25:56
○MXmail.preptoolkit.org2015-07-07 → 2016-06-29 · 4 obs
● 2016-06-29 12:22:12
○ 2017-06-27 10:11:24
○ 2026-03-29 07:25:56
○A52.5.114.2202015-07-07 → 2017-06-27 · 3 obs
● 2017-06-27 10:11:24
○ 2026-03-29 07:25:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| preptoolkit.org | ns-2.awsdns-00.com, ns-759.awsdns-30.net, ns-1429.awsdns-50.org, ns-1848.awsdns-39.co.uk | 1 record |
✅ Authoritative Response
Server:205.251.192.2
NS records: ns-2.awsdns-00.com, ns-759.awsdns-30.net, ns-1429.awsdns-50.org, ns-1848.awsdns-39.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for preptoolkit.org (unsigned zone)
⏱️ Timing
Total: 266ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1429.awsdns-50.org, ns-1848.awsdns-39.co.uk... |
| MX | 1 | mail.demo.preptoolkit.org (pri: 10) |
| TXT | 1 | v=spf1 ip4:54.164.157.133 ip4:54.86.174. |
| SOA | 1 | ns-1429.awsdns-50.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-1429.awsdns-50.org)
Analysis
Hierarchy
The parent of mail.preptoolkit.org is preptoolkit.org.
Name Servers
preptoolkit.org delegates to four name servers: ns-2.awsdns-00.com, ns-759.awsdns-30.net, ns-1429.awsdns-50.org and ns-1848.awsdns-39.co.uk.
preptoolkit.org at least partially shares name servers with other domains, for instance fortressiq.com, tradimo.it, yocotizo.com.pa, times-compact.com and wrvc.co.uk.
these name servers are commonly used alongside the name servers ns41.music-name-servers.com, ns42.music-name-servers.com, ns43.music-name-servers.com, ns44.music-name-servers.com, ns-988.awsdns-59.net, ns-1378.awsdns-44.org and ns-1815.awsdns-34.co.uk.
Host names with two IP numbers: ns-2.awsdns-00.com points to 2600:9000:5300:200::1 and 205.251.192.2; ns-759.awsdns-30.net points to 2600:9000:5302:f700::1 and 205.251.194.247; ns-1429.awsdns-50.org points to 2600:9000:5305:9500::1 and 205.251.197.149; ns-1848.awsdns-39.co.uk points to 2600:9000:5307:3800::1 and 205.251.199.56.
Mail Servers
preptoolkit.org is handled by a single mail server, mail.demo.preptoolkit.org.
The host name mail.demo.preptoolkit.org points to IP 54.164.157.133.