ctfocus.com - dns.ninja
ctfocus.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #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=1782919746 | ||||||
Same first word
ctfocus.com |
Similar names
DNS History
12 records (4 active, 8 former)
○NSadmns1.hinet.net2015-08-01 → 2015-12-03 · 5 obs
● 2015-08-01 11:15:48
● 2015-12-03 06:56:42
○ 2016-03-18 05:03:12
○ 2026-07-01 15:30:48
○NSadmns2.hinet.net2015-08-01 → 2015-12-03 · 5 obs
● 2015-08-01 11:15:48
● 2015-12-03 06:56:42
○ 2016-03-18 05:03:12
○ 2026-07-01 15:30:48
○NSns2.arc.net.my2007-11-05 → 2007-11-05 · 3 obs
○ 2015-08-01 11:15:48
○ 2026-07-01 15:30:48
●NSns3.afternic.com2026-03-21 → 2026-07-01 · 3 obs
● 2026-03-21 11:26:30
● 2026-07-01 15:30:48
○NSns31.domaincontrol.com2020-03-14 → 2020-03-14 · 4 obs
● 2020-03-14 03:27:14
○ 2026-03-21 11:26:30
○ 2026-07-01 15:30:48
○NSns32.domaincontrol.com2020-03-14 → 2020-03-14 · 4 obs
● 2020-03-14 03:27:14
○ 2026-03-21 11:26:30
○ 2026-07-01 15:30:48
●NSns4.afternic.com2026-03-21 → 2026-07-01 · 3 obs
● 2026-03-21 11:26:30
● 2026-07-01 15:30:48
○NSns762.emailjiajia.com2007-11-05 → 2007-11-05 · 3 obs
○ 2015-08-01 11:15:48
○ 2026-07-01 15:30:48
○A115.165.205.2452015-08-01 → 2015-12-03 · 5 obs
● 2015-08-01 11:15:48
● 2015-12-03 06:56:42
○ 2016-03-18 05:03:12
○ 2026-07-01 15:30:48
●A13.248.169.482026-03-21 → 2026-07-01 · 3 obs
● 2026-03-21 11:26:30
● 2026-07-01 15:30:48
○A50.63.202.552020-03-14 → 2020-03-14 · 4 obs
● 2020-03-14 03:27:14
○ 2026-03-21 11:26:30
○ 2026-07-01 15:30:48
●A76.223.54.1462026-03-21 → 2026-07-01 · 3 obs
● 2026-03-21 11:26:30
● 2026-07-01 15:30:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net... | - |
| ctfocus.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctfocus.com (unsigned zone)
⏱️ Timing
Total: 2104ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
IP Addresses
ctfocus.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146
aals.net, ineyes.com, verybestdiet.com plus two other host names have IP numbers in common with ctfocus.com.
Name Servers
ctfocus.com has two authoritative name servers — ns3.afternic.com and ns4.afternic.com.
The name server configuration of ctfocus.com is shared with other domains, for instance sluggr.com, hostmaster.home-safe.com, 19.86.220.rdns.ubiquity.io and two others.
ctfocus.com has at least partial name server overlap with other domains, such as langwei.cn, ameriza.com, visittennessee.net and two others.
It is common to find these name servers paired with the name servers verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
ns3.afternic.com directs to 97.74.98.65 and ns4.afternic.com directs to 173.201.66.65; each host name points to exactly one IP number.