dupecheck.org - robtex.com
dupecheck.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1178.awsdns-19.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5304:9a00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1178.awsdns-19.org | ||||||
| A | 205.251.196.154🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1178.awsdns-19.org | ||||||
| NS | ns-2016.awsdns-60.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:e000::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2016.awsdns-60.co.uk | ||||||
| A | 205.251.199.224🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| NS | ns-297.awsdns-37.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:2900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-297.awsdns-37.com | ||||||
| A | 205.251.193.41🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-297.awsdns-37.com | ||||||
| NS | ns-586.awsdns-09.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5302:4a00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-586.awsdns-09.net | ||||||
| A | 205.251.194.74🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-586.awsdns-09.net | ||||||
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=1784725933 | ||||||
Same first word
dupecheck.org |
Similar names
DNS History
9 records (4 active, 5 former)
○NSauth1.ns.sargasso.net2015-05-14 → 2017-01-19 · 4 obs
● 2017-01-19 12:46:30
○ 2026-04-09 00:49:10
○ 2026-07-22 13:57:46
○NSauth2.ns.sargasso.net2015-05-14 → 2017-01-19 · 4 obs
● 2017-01-19 12:46:30
○ 2026-04-09 00:49:10
○ 2026-07-22 13:57:46
○NSauth3.ns.sargasso.net2015-05-14 → 2017-01-19 · 4 obs
● 2017-01-19 12:46:30
○ 2026-04-09 00:49:10
○ 2026-07-22 13:57:46
●NSns-1178.awsdns-19.org2026-04-09 → 2026-07-22 · 3 obs
● 2026-04-09 00:49:10
● 2026-07-22 13:57:46
●NSns-2016.awsdns-60.co.uk2026-04-09 → 2026-07-22 · 3 obs
● 2026-04-09 00:49:10
● 2026-07-22 13:57:46
●NSns-297.awsdns-37.com2026-04-09 → 2026-07-22 · 3 obs
● 2026-04-09 00:49:10
● 2026-07-22 13:57:46
●NSns-586.awsdns-09.net2026-04-09 → 2026-07-22 · 3 obs
● 2026-04-09 00:49:10
● 2026-07-22 13:57:46
○MXmail.phatmax.net2015-05-14 → 2017-01-19 · 4 obs
● 2017-01-19 12:46:30
○ 2026-04-09 00:49:10
○ 2026-07-22 13:57:46
○A66.254.109.1382015-05-14 → 2017-01-19 · 4 obs
● 2017-01-19 12:46:30
○ 2026-04-09 00:49:10
○ 2026-07-22 13:57:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| dupecheck.org | ns-297.awsdns-37.com, ns-586.awsdns-09.net, ns-1178.awsdns-19.org, ns-2016.awsdns-60.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.194.74
NS records: ns-297.awsdns-37.com, ns-586.awsdns-09.net, ns-1178.awsdns-19.org, ns-2016.awsdns-60.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dupecheck.org (unsigned zone)
⏱️ Timing
Total: 440ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-1178.awsdns-19.org, ns-1178.awsdns-19.org)
Analysis
Name Servers
The NS records for dupecheck.org point to four name servers: ns-297.awsdns-37.com, ns-586.awsdns-09.net, ns-1178.awsdns-19.org and ns-2016.awsdns-60.co.uk.
At least some of dupecheck.org's name servers are shared with other domains, for example aimatics.net, partners-api-na1.niceincontact.com, openinfosecfoundation.org and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-297.awsdns-37.com directs to 205.251.193.41 and 2600:9000:5301:2900::1; ns-586.awsdns-09.net directs to 205.251.194.74 and 2600:9000:5302:4a00::1; ns-1178.awsdns-19.org directs to 205.251.196.154 and 2600:9000:5304:9a00::1; ns-2016.awsdns-60.co.uk directs to 205.251.199.224 and 2600:9000:5307:e000::1.