dupeblocker.com - robtex.com
dupeblocker.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.130.54.109🇺🇸 RACKSPACE-IAD104.130.0.0/18 Rackspace, 5000 Walzem Road, San Antonio, TX 78218 | ||||||
| PTR | www.crmfusion.com | ||||||
| NS | ns-833.awsdns-40.net ⭐ | ||||||
| A | 2600:9000:5303:4100::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-833.awsdns-40.net | ||||||
| A | 205.251.195.65🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-833.awsdns-40.net | ||||||
| NS | ns-1384.awsdns-45.org | ||||||
| A | 2600:9000:5305:6800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1384.awsdns-45.org | ||||||
| A | 205.251.197.104🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1384.awsdns-45.org | ||||||
| NS | ns-2030.awsdns-61.co.uk | ||||||
| A | 2600:9000:5307:ee00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2030.awsdns-61.co.uk | ||||||
| A | 205.251.199.238🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2030.awsdns-61.co.uk | ||||||
| NS | ns-366.awsdns-45.com | ||||||
| A | 2600:9000:5301:6e00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-366.awsdns-45.com | ||||||
| A | 205.251.193.110🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-366.awsdns-45.com | ||||||
| SOA | ns-833.awsdns-40.netawsdns-hostmaster@amazon.com serial=1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774646002 | ||||||
Same first word
dupeblocker.com |
DNS History
9 records (5 active, 4 former)
●NSns-1384.awsdns-45.org2026-03-18 → 2026-03-27 · 3 obs
● 2026-03-18 02:43:22
● 2026-03-27 21:39:40
●NSns-2030.awsdns-61.co.uk2026-03-18 → 2026-03-27 · 3 obs
● 2026-03-18 02:43:22
● 2026-03-27 21:39:40
●NSns-366.awsdns-45.com2026-03-18 → 2026-03-27 · 3 obs
● 2026-03-18 02:43:22
● 2026-03-27 21:39:40
●NSns-833.awsdns-40.net2026-03-18 → 2026-03-27 · 3 obs
● 2026-03-18 02:43:22
● 2026-03-27 21:39:40
○NSns.rackspace.com2015-12-06 → 2018-06-17 · 5 obs
● 2015-12-06 10:55:50
● 2018-06-17 18:08:38
○ 2026-03-18 02:43:22
○ 2026-03-27 21:39:40
○NSns1.webcontrolcenter.com2015-08-06 → 2015-08-06 · 3 obs
○ 2015-12-06 10:55:50
○ 2026-03-27 21:39:40
○NSns2.rackspace.com2015-12-06 → 2018-06-17 · 5 obs
● 2015-12-06 10:55:50
● 2018-06-17 18:08:38
○ 2026-03-18 02:43:22
○ 2026-03-27 21:39:40
○NSns2.webcontrolcenter.com2015-08-06 → 2015-08-06 · 3 obs
○ 2015-12-06 10:55:50
○ 2026-03-27 21:39:40
●A104.130.54.1092015-08-06 → 2026-03-27 · 2 obs
● 2026-03-27 21:39:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dupeblocker.com | ns-366.awsdns-45.com, ns-833.awsdns-40.net, ns-1384.awsdns-45.org, ns-2030.awsdns-61.co.uk | 1 record |
✅ Authoritative Response
Server:205.251.197.104
NS records: ns-366.awsdns-45.com, ns-833.awsdns-40.net, ns-1384.awsdns-45.org, ns-2030.awsdns-61.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dupeblocker.com (unsigned zone)
⏱️ Timing
Total: 1421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.130.54.109 |
| NS | 4 | ns-1384.awsdns-45.org, ns-2030.awsdns-61.co.uk... |
| SOA | 1 | ns-833.awsdns-40.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-366.awsdns-45.com)
Analysis
IP Addresses
dupeblocker.com points to a single IP number: 104.130.54.109.
Name Servers
dupeblocker.com is delegated to four name servers: ns-366.awsdns-45.com, ns-833.awsdns-40.net, ns-1384.awsdns-45.org and ns-2030.awsdns-61.co.uk.
dupeblocker.com at least partially shares name servers with other domains, for instance media-lab.digital, beacourier.co.uk, double.studio, koki.life and lengish.com.
These name servers are commonly used with the name servers ns-1414.awsdns-48.org.
Host names with two IP numbers:
ns-366.awsdns-45.com points to: 2600:9000:5301:6e00::1 and 205.251.193.110.
ns-833.awsdns-40.net points to: 2600:9000:5303:4100::1 and 205.251.195.65.
ns-1384.awsdns-45.org points to: 2600:9000:5305:6800::1 and 205.251.197.104.
ns-2030.awsdns-61.co.uk points to: 2600:9000:5307:ee00::1 and 205.251.199.238.