grctech.com - dns.ninja
grctech.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns3.level3.net ⭐ | ||||||
| A | 216.136.95.12🇺🇸 AS3549216.136.0.0/17 | ||||||
| PTR | ns3.level3.net | ||||||
| NS | ns4.level3.net | ||||||
| A | 64.132.94.251🇺🇸 AS354964.132.0.0/16 | ||||||
| PTR | ns4.level3.net | ||||||
| SOA | ns3.level3.netpostmaster@ns3.level3.net 2026-05-16 #0 | ||||||
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=1785306577 | ||||||
PTR for
Previously NS for
grctech.com |
Subdomains
www.grctech.com |
Same first word
Similar names
cgrtech.com |
gcrtech.com |
gcrtech.com.br |
therccg.com |
techgrc.com |
theccrg.com |
thecrgc.com |
techcrg.com |
rcgtech.com |
thegrcc.com |
rgctech.com |
crgtech.com |
DNS History
6 records (2 active, 4 former)
○NSgrctech.com2015-07-23 → 2021-04-16 · 4 obs
● 2021-04-16 10:04:34
○ 2026-07-28 20:43:22
○ 2026-07-29 06:36:46
●NSns3.level3.net2026-07-28 → 2026-07-29 · 3 obs
● 2026-07-28 20:43:22
● 2026-07-29 06:36:46
○NSns4.customer.level3.net2015-07-23 → 2021-04-16 · 4 obs
● 2021-04-16 10:04:34
○ 2026-07-28 20:43:22
○ 2026-07-29 06:36:46
●NSns4.level3.net2026-07-28 → 2026-07-29 · 3 obs
● 2026-07-28 20:43:22
● 2026-07-29 06:36:46
○NSns6.customer.level3.net2015-07-23 → 2021-04-16 · 4 obs
● 2021-04-16 10:04:34
○ 2026-07-28 20:43:22
○ 2026-07-29 06:36:46
○A4.79.142.1922021-04-16 → 2021-04-16 · 3 obs
○ 2026-07-28 20:43:22
○ 2026-07-29 06:36:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| grctech.com | ns3.level3.net, ns4.level3.net | - |
✅ Authoritative Response
Server:64.132.94.251
NS records: ns3.level3.net, ns4.level3.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grctech.com (unsigned zone)
⏱️ Timing
Total: 309ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns4.level3.net, ns3.level3.net |
| SOA | 1 | ns3.level3.net postmaster.ns3.level3.net |
Analysis
Hierarchy
grctech.com serves as the parent of www.grctech.com.
Name Servers
Two name servers handle the delegation for grctech.com: ns3.level3.net and ns4.level3.net.
grctech.com shares its name server setup with other domains, including 158.132.64.in-addr.arpa, 9.55.66.in-addr.arpa, hamptonbyhilton.co and two others.
grctech.com has at least partial name server overlap with other domains, such as 39.8.64.in-addr.arpa, 239.54.216.in-addr.arpa, 143.170.66.in-addr.arpa and two others.
dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net and b23.ns.els-gms.att.net — plus 6 other name servers — are commonly paired with these name servers.
ns3.level3.net directs to 216.136.95.12 and ns4.level3.net directs to 64.132.94.251; each host name points to exactly one IP number.