instruktor.co - robtex.com
instruktor.co
| 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 | 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 | 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759633182 | ||||||
Same first word
instruktor.net |
instruktor.de |
instruktor.pro |
instruktor.co |
instruktor.od.ua |
instruktor.by |
instruktor.cn |
instruktor.com |
instruktor.bike |
DNS History
8 records (4 active, 4 former)
○NSda6.domeny.com2015-06-13 → 2016-12-31 · 4 obs
● 2016-12-31 10:55:14
○ 2026-04-08 18:06:30
○ 2026-04-13 17:26:20
○NSdns2.domeny.com2015-06-13 → 2016-12-31 · 4 obs
● 2016-12-31 10:55:14
○ 2026-04-08 18:06:30
○ 2026-04-13 17:26:20
●NSns1.afternic.com2026-04-08 → 2026-04-13 · 3 obs
● 2026-04-08 18:06:30
● 2026-04-13 17:26:20
●NSns2.afternic.com2026-04-08 → 2026-04-13 · 3 obs
● 2026-04-08 18:06:30
● 2026-04-13 17:26:20
○MXmail.instruktor.co2015-06-13 → 2016-12-31 · 4 obs
● 2016-12-31 10:55:14
○ 2026-04-08 18:06:30
○ 2026-04-13 17:26:20
●A13.248.169.482026-04-08 → 2026-04-13 · 3 obs
● 2026-04-08 18:06:30
● 2026-04-13 17:26:20
●A76.223.54.1462026-04-08 → 2026-04-13 · 3 obs
● 2026-04-08 18:06:30
● 2026-04-13 17:26:20
○A91.225.28.1702015-06-13 → 2016-12-31 · 4 obs
● 2016-12-31 10:55:14
○ 2026-04-08 18:06:30
○ 2026-04-13 17:26:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, d.registrydns.co, c.registrydns.co, b.registrydns.co | - |
| instruktor.co | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instruktor.co (unsigned zone)
⏱️ Timing
Total: 411ms | 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 | ns2.afternic.com dns.jomax.net |
Analysis
IP Addresses
instruktor.co points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names such as 264770464.6461796c6967687477696e64796a616e6540686f746d616message.calgaryaesthetics.com, bnbu.org, abadi.io, gazetteapp.com and mailno.albanetwork.com share IPs with instruktor.co.
Name Servers
instruktor.co is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
instruktor.co shares the same name server setup as farcast.net, mail.klb.co, host-219-71-213-182.dynamic.kbtelecom.net, mail.nervesolution.com and cpym.com.
instruktor.co at least partially shares name servers with other domains, for instance teenhomes.com, trickapk.com, utahhaircuts.com, netsurfers.com and narrowpath.co.uk.
These name servers are commonly used with verification-jnpk9imao4ucwj3yqw5clr.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.
Host names with two IP numbers: ns1.afternic.com points to: 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to: 2603:5:2226::45 and 173.201.66.69.