rubyprogramming.us - robtex.com
rubyprogramming.us
| DNSSEC | β οΈ Not signed | ||||||
| NS | ns-1851.awsdns-39.co.uk β | ||||||
| A | 2600:9000:5307:3b00::1πΊπΈ Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1851.awsdns-39.co.uk | ||||||
| A | 205.251.199.59πΊπΈ Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1851.awsdns-39.co.uk | ||||||
| NS | ns-1309.awsdns-35.org | ||||||
| A | 2600:9000:5305:1d00::1πΊπΈ Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1309.awsdns-35.org | ||||||
| A | 205.251.197.29πΊπΈ Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1309.awsdns-35.org | ||||||
| NS | ns-148.awsdns-18.com | ||||||
| A | 2600:9000:5300:9400::1πΊπΈ Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-148.awsdns-18.com | ||||||
| A | 205.251.192.148πΊπΈ Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-148.awsdns-18.com | ||||||
| NS | ns-947.awsdns-54.net | ||||||
| A | 2600:9000:5303:b300::1πΊπΈ Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-947.awsdns-54.net | ||||||
| A | 205.251.195.179πΊπΈ Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-947.awsdns-54.net | ||||||
| SOA | ns-1851.awsdns-39.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
us
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.cctld.us β | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1788094933 | ||||||
Same first word
rubyprogramming.us |
rubyprogramming.net |
rubyprogramming.com |
Previous names
Next names
DNS History
9 records (4 active, 5 former)
βNSns-1309.awsdns-35.org2026-08-28 β 2026-08-30 Β· 3 obs
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βNSns-148.awsdns-18.com2026-08-28 β 2026-08-30 Β· 3 obs
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βNSns-1851.awsdns-39.co.uk2026-08-28 β 2026-08-30 Β· 3 obs
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βNSns-947.awsdns-54.net2026-08-28 β 2026-08-30 Β· 3 obs
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βNSpdns03.domaincontrol.com2015-08-19 β 2017-09-14 Β· 4 obs
β 2017-09-14 04:20:06
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βNSpdns04.domaincontrol.com2015-08-19 β 2017-09-14 Β· 4 obs
β 2017-09-14 04:20:06
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βMXmailstore1.secureserver.net2015-08-19 β 2017-09-14 Β· 4 obs
β 2017-09-14 04:20:06
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βMXsmtp.secureserver.net2015-08-19 β 2017-09-14 Β· 4 obs
β 2017-09-14 04:20:06
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
βA68.178.232.1002015-08-19 β 2017-09-14 Β· 4 obs
β 2017-09-14 04:20:06
β 2026-08-28 13:27:52
β 2026-08-30 13:14:26
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| rubyprogramming.us | ns-148.awsdns-18.com, ns-1309.awsdns-35.org, ns-947.awsdns-54.net, ns-1851.awsdns-39.co.uk | - |
β Authoritative Response
Server:205.251.195.179
NS records: ns-148.awsdns-18.com, ns-1309.awsdns-35.org, ns-947.awsdns-54.net, ns-1851.awsdns-39.co.uk
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for rubyprogramming.us (unsigned zone)
β±οΈ Timing
Total: 2639ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1309.awsdns-35.org, ns-148.awsdns-18.com... |
| SOA | 1 | ns-1851.awsdns-39.co.uk awsdns-hostmaste |
Analysis
Name Servers
The domain rubyprogramming.us is delegated to these four name servers: ns-148.awsdns-18.com, ns-947.awsdns-54.net, ns-1309.awsdns-35.org and ns-1851.awsdns-39.co.uk.
Four hostnames, each resolving to a pair of IP addresses: ns-148.awsdns-18.com directs to 205.251.192.148 and 2600:9000:5300:9400::1; ns-947.awsdns-54.net directs to 205.251.195.179 and 2600:9000:5303:b300::1; ns-1309.awsdns-35.org directs to 205.251.197.29 and 2600:9000:5305:1d00::1; ns-1851.awsdns-39.co.uk directs to 205.251.199.59 and 2600:9000:5307:3b00::1.