sistemagrc.com - robtex.com
sistemagrc.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-735.awsdns-27.net ⭐ | ||||||
| A | 2600:9000:5302:df00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-735.awsdns-27.net | ||||||
| A | 205.251.194.223🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-735.awsdns-27.net | ||||||
| NS | ns-115.awsdns-14.com | ||||||
| A | 2600:9000:5300:7300::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-115.awsdns-14.com | ||||||
| A | 205.251.192.115🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-115.awsdns-14.com | ||||||
| NS | ns-1382.awsdns-44.org | ||||||
| A | 2600:9000:5305:6600::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1382.awsdns-44.org | ||||||
| A | 205.251.197.102🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1382.awsdns-44.org | ||||||
| NS | ns-1677.awsdns-17.co.uk ⚠️ Not in parent delegation | ||||||
| A | 2600:9000:5306:8d00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1677.awsdns-17.co.uk | ||||||
| A | 205.251.198.141🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1677.awsdns-17.co.uk | ||||||
| SOA | ns-735.awsdns-27.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=1775377902 | ||||||
Same first word
sistemagrc.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns-115.awsdns-14.com2026-02-24 → 2026-04-05 · 3 obs
● 2026-02-24 08:28:52
● 2026-04-05 08:32:42
●NSns-1382.awsdns-44.org2026-02-24 → 2026-04-05 · 3 obs
● 2026-02-24 08:28:52
● 2026-04-05 08:32:42
●NSns-1677.awsdns-17.co.uk2026-02-24 → 2026-04-05 · 3 obs
● 2026-02-24 08:28:52
● 2026-04-05 08:32:42
●NSns-735.awsdns-27.net2026-02-24 → 2026-04-05 · 3 obs
● 2026-02-24 08:28:52
● 2026-04-05 08:32:42
○NSns1.locaweb.com.br2018-10-18 → 2018-10-18 · 3 obs
○ 2026-02-24 08:28:52
○ 2026-04-05 08:32:42
○NSns2.locaweb.com.br2018-10-18 → 2018-10-18 · 3 obs
○ 2026-02-24 08:28:52
○ 2026-04-05 08:32:42
○NSns3.locaweb.com.br2018-10-18 → 2018-10-18 · 3 obs
○ 2026-02-24 08:28:52
○ 2026-04-05 08:32:42
○A179.162.34.682018-10-18 → 2018-10-18 · 3 obs
○ 2026-02-24 08:28:52
○ 2026-04-05 08:32:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sistemagrc.com | ns-115.awsdns-14.com, ns-735.awsdns-27.net, ns-1382.awsdns-44.org | 1 record |
✅ Authoritative Response
Server:205.251.194.223
NS records: ns-115.awsdns-14.com, ns-735.awsdns-27.net, ns-1382.awsdns-44.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sistemagrc.com (unsigned zone)
⏱️ Timing
Total: 300ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-115.awsdns-14.com, ns-1382.awsdns-44.org... |
| SOA | 1 | ns-735.awsdns-27.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-115.awsdns-14.com)
Analysis
Name Servers
sistemagrc.com is delegated to four name servers: ns-115.awsdns-14.com, ns-735.awsdns-27.net, ns-1382.awsdns-44.org and ns-1677.awsdns-17.co.uk.
sistemagrc.com at least partially shares name servers with other domains, for instance 10.20.3.in-addr.arpa, gomzipayback.com, a4uc.com.au, henecia.jp and 134.221.18.in-addr.arpa.
these name servers are often used together with ns1-24-us-east-2.ec2-rdns.amazonaws.com, ns2-24-us-east-2.ec2-rdns.amazonaws.com, ns3-24-us-east-2.ec2-rdns.amazonaws.com and ns4-24-us-east-2.ec2-rdns.amazonaws.com.
Host names with two IP numbers:
ns-115.awsdns-14.com points to 2600:9000:5300:7300::1 and 205.251.192.115; ns-735.awsdns-27.net points to 2600:9000:5302:df00::1 and 205.251.194.223; ns-1382.awsdns-44.org points to 2600:9000:5305:6600::1 and 205.251.197.102; ns-1677.awsdns-17.co.uk points to 2600:9000:5306:8d00::1 and 205.251.198.141.