derp.org - robtex.com
derp.org
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=1786821256 | ||||||
Subdomains
url673.derp.org |
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
○NSdns2.hostworks.com2015-07-09 → 2017-03-15 · 4 obs
● 2017-03-15 17:26:18
○ 2026-02-23 18:57:18
○ 2026-08-15 19:27:48
●NSns-1143.awsdns-14.org2026-02-23 → 2026-08-15 · 3 obs
● 2026-02-23 18:57:18
● 2026-08-15 19:27:48
●NSns-1882.awsdns-43.co.uk2026-02-23 → 2026-08-15 · 3 obs
● 2026-02-23 18:57:18
● 2026-08-15 19:27:48
●NSns-383.awsdns-47.com2026-02-23 → 2026-08-15 · 3 obs
● 2026-02-23 18:57:18
● 2026-08-15 19:27:48
●NSns-909.awsdns-49.net2026-02-23 → 2026-08-15 · 3 obs
● 2026-02-23 18:57:18
● 2026-08-15 19:27:48
○NSsebring.hostworks.com2015-07-09 → 2017-03-15 · 4 obs
● 2017-03-15 17:26:18
○ 2026-02-23 18:57:18
○ 2026-08-15 19:27:48
○MXderp.org.mx1.rcimx.com2015-07-09 → 2017-03-15 · 4 obs
● 2017-03-15 17:26:18
○ 2026-02-23 18:57:18
○ 2026-08-15 19:27:48
○MXderp.org.mx2.rcimx.com2015-07-09 → 2017-03-15 · 4 obs
● 2017-03-15 17:26:18
○ 2026-02-23 18:57:18
○ 2026-08-15 19:27:48
○MXderp.org.mx3.rcimx.com2015-07-09 → 2017-03-15 · 4 obs
● 2017-03-15 17:26:18
○ 2026-02-23 18:57:18
○ 2026-08-15 19:27:48
○MXderp.org.mx4.rcimx.com2015-07-09 → 2017-03-15 · 4 obs
● 2017-03-15 17:26:18
○ 2026-02-23 18:57:18
○ 2026-08-15 19:27:48
●MXus-smtp-inbound-1.mimecast.com2026-02-23 → 2026-08-15 · 3 obs
● 2026-02-23 18:57:18
● 2026-08-15 19:27:48
●MXus-smtp-inbound-2.mimecast.com2026-02-23 → 2026-08-15 · 3 obs
● 2026-02-23 18:57:18
● 2026-08-15 19:27:48
○A66.35.57.542015-07-09 → 2017-03-15 · 4 obs
● 2017-03-15 17:26:18
○ 2026-02-23 18:57:18
○ 2026-08-15 19:27:48
●A72.52.251.1612026-02-23 → 2026-08-15 · 3 obs
● 2026-02-23 18:57:18
● 2026-08-15 19:27:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| derp.org | ns-383.awsdns-47.com, ns-909.awsdns-49.net, ns-1143.awsdns-14.org | 2 records |
✅ Authoritative Response
Server:205.251.196.119
NS records: ns-383.awsdns-47.com, ns-909.awsdns-49.net, ns-1143.awsdns-14.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for derp.org (unsigned zone)
⏱️ Timing
Total: 395ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.52.251.161 |
| NS | 4 | ns-1143.awsdns-14.org, ns-1882.awsdns-43.co.uk... |
| MX | 2 | us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10) |
| TXT | 8 | 0ed1fe018a5acd41403bce4ebfbe6b7c5fb15ea1, MS=5AFCC6A4323A1FB7D799698F27FBF8E693F4F... |
| SOA | 1 | ns-1143.awsdns-14.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-1143.awsdns-14.org, ns-1143.awsdns-14.org)
Analysis
Hierarchy
url673.derp.org is delegated beneath derp.org.
IP Addresses
derp.org directs to one IP number, which is 72.52.251.161.
Among the host names that share IP numbers with derp.org are ns2.sixu2.com, wrgroup.us, sixudev.com and two others.
Name Servers
The domain derp.org is delegated to these four name servers: ns-383.awsdns-47.com, ns-909.awsdns-49.net, ns-1143.awsdns-14.org and ns-1882.awsdns-43.co.uk.
There is at least partial name server overlap between derp.org and other domains — pryzm.gg, spxdev.net, seiu113.org and two more among them.
All four hostnames — ns-383.awsdns-47.com, ns-909.awsdns-49.net, ns-1143.awsdns-14.org and ns-1882.awsdns-43.co.uk — resolve to two IP numbers apiece: ns-383.awsdns-47.com to 205.251.193.127 and 2600:9000:5301:7f00::1; ns-909.awsdns-49.net to 205.251.195.141 and 2600:9000:5303:8d00::1; ns-1143.awsdns-14.org to 205.251.196.119 and 2600:9000:5304:7700::1; ns-1882.awsdns-43.co.uk to 205.251.199.90 and 2600:9000:5307:5a00::1.
Mail Servers
The MX records for derp.org point to two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
derp.org has the same mail server arrangement as a number of other domains, for example pt.nufarm.com, trafficmarkings.com, 511tactical.com.au and two more.
derp.org shares at least some of its mail servers with other domains — for example illinoismutual.com, resinformulators.com, shermco.ca and two more.
Host names resolving to 6 IP numbers:
us-smtp-inbound-1.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.
us-smtp-inbound-2.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.
The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.141 IP addresses.
The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.221 IP addresses.
The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.242 IP addresses.
The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.141 IP addresses.
The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.221 IP addresses.
The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.242 IP addresses.