zctf.net - robtex.com
zctf.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.11.177.17🇺🇸 PEGTECHINC38.11.160.0/19 PEG TECH INC | ||||||
| NS | a5.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| NS | b5.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1771515007 | ||||||
net
| 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=1771291465 | ||||||
Previously MX for
zctf.net |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSa.share-dns.com2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 21:01:50
● 2026-03-24 10:47:18
●NSa5.share-dns.com2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 21:01:50
● 2026-03-24 10:47:18
●NSb.share-dns.net2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 21:01:50
● 2026-03-24 10:47:18
●NSb5.share-dns.net2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 21:01:50
● 2026-03-24 10:47:18
○NSns1.md-pb-iqsv.com2015-07-20 → 2017-05-24 · 4 obs
● 2017-05-24 01:43:32
○ 2026-02-18 21:01:50
○ 2026-03-24 10:47:18
○NSpb4.md-pb-iqsv.com2015-07-20 → 2017-05-24 · 4 obs
● 2017-05-24 01:43:32
○ 2026-02-18 21:01:50
○ 2026-03-24 10:47:18
○MXzctf.net2015-07-20 → 2017-05-24 · 4 obs
● 2017-05-24 01:43:32
○ 2026-02-18 21:01:50
○ 2026-03-24 10:47:18
○A192.36.53.2532015-07-20 → 2017-05-24 · 4 obs
● 2017-05-24 01:43:32
○ 2026-02-18 21:01:50
○ 2026-03-24 10:47:18
●A38.11.177.172026-03-16 → 2026-03-24 · 3 obs
● 2026-03-16 12:18:46
● 2026-03-24 10:47:18
○A38.38.130.1132026-02-18 → 2026-02-19 · 5 obs
● 2026-02-18 21:01:50
● 2026-02-19 12:06:52
○ 2026-03-16 12:18:46
○ 2026-03-24 10:47:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| zctf.net | b5.share-dns.net, a5.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b5.share-dns.net, a5.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zctf.net (unsigned zone)
⏱️ Timing
Total: 357ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.11.177.17 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (b5.share-dns.net)
Analysis
IP Addresses
zctf.net resolves to a single IP address: 38.11.177.17.
Name Servers
zctf.net is delegated to four name servers: a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.
zctf.net at least partially shares name servers with other domains, including honey-lovely.cn, archi-visualisation3d.com, fuli688.com, ynbs.net and sjb(0x787878).com.
These name servers are typically used together with the name servers a7.share-dns.com, b7.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a1.share-dns.com, b1.share-dns.net, a6.share-dns.com, b6.share-dns.net, a11.share-dns.com and b11.share-dns.net.
Host names with a single IP number:
a5.share-dns.com resolves to 172.64.53.25.
a.share-dns.com resolves to 172.64.53.25.
b5.share-dns.net resolves to 172.64.52.239.
b.share-dns.net resolves to 172.64.52.239.
Host names pointing to 172.64.53.25: a5.share-dns.com, a.share-dns.com.
Host names pointing to 172.64.52.239: b5.share-dns.net, b.share-dns.net.