stc - robtex.com
stc
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-10-17 #0 | ||||||
Subdomains
Same first word
Similar names
Next names
DNS History
7 records (5 active, 2 former)
●NSns0.centralnic.net2015-08-31 → 2026-10-17 · 2 obs
● 2026-10-17 16:37:02
○MXyour-dns-needs-immediate-attention.stc2015-08-31 → 2015-12-15 · 4 obs
● 2015-12-15 13:04:12
○ 2015-12-24 13:45:18
○ 2026-10-17 16:37:02
○A127.0.53.532015-08-31 → 2015-12-15 · 4 obs
● 2015-12-15 13:04:12
○ 2015-12-24 13:45:18
○ 2026-10-17 16:37:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| stc | a.nic.stc, b.nic.stc, c.nic.stc, d.nic.stc | 8 records |
✅ Authoritative Response
Server:194.169.218.29
NS records: a.nic.stc, b.nic.stc, c.nic.stc, d.nic.stc
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 1217ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | a.nic.stc, b.nic.stc... |
| SOA | 1 | ns0.centralnic.net hostmaster.centralnic |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.stc, b.nic.stc, c.nic.stc...)
Analysis
Hierarchy
stc is a parent domain; its children include childhelpline.stc, stc.stc, links.stc, gitex.stc, business.stc and a few other host names.
Name Servers
Delegation for stc is to five name servers: ns0.centralnic.net, a.nic.stc, b.nic.stc and two others.
stc partially shares its NS delegation with several other domains, including frl, fresenius, sbs and two others.
In DNS configurations, these name servers often share authority with ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net and 7 other name servers.
Host names resolving to four IP addresses:
ns0.centralnic.net maps to the following IP addresses: 54.217.78.230, 63.34.52.177, 2a05:d018:4a2:c101::150 and 2a05:d018:4a2:c102::150.
Host names with two IP numbers:
a.nic.stc points to 194.169.218.29 and 2001:67c:13cc::1:29.
b.nic.stc points to 185.24.64.29 and 2a04:2b00:13cc::1:29.
c.nic.stc points to 212.18.248.29 and 2a04:2b00:13ee::29.
d.nic.stc points to 212.18.249.29 and 2a04:2b00:13ff::29.