ctqb.com - robtex.com
ctqb.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 | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | verification-fudnbojvbgrfswvzmsioyi.ns101.verify.hn ⚠️ Not in zone NS records | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net 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=1784316622 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○NSdns19.hichina.com2015-05-26 → 2017-03-20 · 4 obs
● 2017-03-20 16:41:02
○ 2026-06-30 19:42:24
○ 2026-07-17 19:42:26
○NSdns20.hichina.com2015-05-26 → 2017-03-20 · 4 obs
● 2017-03-20 16:41:02
○ 2026-06-30 19:42:24
○ 2026-07-17 19:42:26
●NSns1.afternic.com2026-06-30 → 2026-07-17 · 3 obs
● 2026-06-30 19:42:24
● 2026-07-17 19:42:26
●NSns2.afternic.com2026-06-30 → 2026-07-17 · 3 obs
● 2026-06-30 19:42:24
● 2026-07-17 19:42:26
●NSverification-fudnbojvbgrfswvzmsioyi.ns101.verify.hn2026-06-30 → 2026-07-17 · 3 obs
● 2026-06-30 19:42:24
● 2026-07-17 19:42:26
●A13.248.169.482026-06-30 → 2026-07-17 · 2 obs
● 2026-07-17 19:42:26
●A76.223.54.1462026-06-30 → 2026-07-17 · 2 obs
● 2026-07-17 19:42:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net... | - |
| ctqb.com | ns1.afternic.com, ns2.afternic.com, verification-fudnbojvbgrfswvzmsioyi.ns101.verify.hn | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com, verification-fudnbojvbgrfswvzmsioyi.ns101.verify.hn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctqb.com (unsigned zone)
⏱️ Timing
Total: 4140ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
ctqb.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146
medscribe.net, cabat.com, com.deeplearningapps.com plus two other host names have IP numbers in common with ctqb.com.
Name Servers
The authoritative name servers for ctqb.com are ns1.afternic.com, ns2.afternic.com and verification-fudnbojvbgrfswvzmsioyi.ns101.verify.hn — three in total.
ctqb.com has at least partial name server overlap with other domains, such as 209-128-75-043.bayarea.net, ecoguardianes.com, repodeals.com and two others.
It is common to find these name servers paired with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn, verification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn and ns3.verification-ko8enlvv66deyharm8vggb.ns101.verify.hn.
ns1.afternic.com, ns2.afternic.com and verification-fudnbojvbgrfswvzmsioyi.ns101.verify.hn all resolve to exactly two IP numbers apiece: ns1.afternic.com → 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com → 173.201.66.69 and 2603:5:2226::45; verification-fudnbojvbgrfswvzmsioyi.ns101.verify.hn → 13.248.169.48 and 76.223.54.146.