instructor.info - dns.ninja
instructor.info
| 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1786965989 | ||||||
Same first word
Similar names
DNS History
15 records (4 active, 11 former)
●NSns1.afternic.com2026-02-15 → 2026-08-17 · 3 obs
● 2026-02-15 18:17:36
● 2026-08-17 11:57:30
○NSns1.sedoparking.com2015-11-25 → 2017-02-03 · 5 obs
● 2015-11-25 07:17:16
● 2017-02-03 18:45:56
○ 2026-02-15 18:17:36
○ 2026-08-17 11:57:30
○NSns17.schlund.de2015-08-04 → 2015-08-04 · 3 obs
○ 2015-11-25 07:17:16
○ 2026-08-17 11:57:30
○NSns18.schlund.de2015-08-04 → 2015-08-04 · 3 obs
○ 2015-11-25 07:17:16
○ 2026-08-17 11:57:30
●NSns2.afternic.com2026-02-15 → 2026-08-17 · 3 obs
● 2026-02-15 18:17:36
● 2026-08-17 11:57:30
○NSns2.sedoparking.com2015-11-25 → 2017-02-03 · 5 obs
● 2015-11-25 07:17:16
● 2017-02-03 18:45:56
○ 2026-02-15 18:17:36
○ 2026-08-17 11:57:30
○MX.2026-02-15 → 2026-02-15 · 4 obs
● 2026-02-15 18:17:36
○ 2026-02-18 21:39:38
○ 2026-08-17 11:57:30
○MXlocalhost2017-02-03 → 2026-02-15 · 5 obs
● 2017-02-03 18:45:56
● 2026-02-15 18:17:36
○ 2026-02-18 21:39:38
○ 2026-08-17 11:57:30
○MXmail.nickstel.com2015-11-25 → 2016-05-18 · 5 obs
● 2015-11-25 07:17:16
● 2016-05-18 18:21:40
○ 2017-02-03 18:45:56
○ 2026-08-17 11:57:30
○MXmx00.schlund.de2015-08-04 → 2015-08-04 · 3 obs
○ 2015-11-25 07:17:16
○ 2026-08-17 11:57:30
○MXmx01.schlund.de2015-08-04 → 2015-08-04 · 3 obs
○ 2015-11-25 07:17:16
○ 2026-08-17 11:57:30
●A13.248.169.482026-02-15 → 2026-08-17 · 3 obs
● 2026-02-15 18:17:36
● 2026-08-17 11:57:30
○A72.52.4.1212015-11-25 → 2017-02-03 · 5 obs
● 2015-11-25 07:17:16
● 2017-02-03 18:45:56
○ 2026-02-15 18:17:36
○ 2026-08-17 11:57:30
●A76.223.54.1462026-02-15 → 2026-08-17 · 3 obs
● 2026-02-15 18:17:36
● 2026-08-17 11:57:30
○A82.165.90.2082015-08-04 → 2015-08-04 · 3 obs
○ 2015-11-25 07:17:16
○ 2026-08-17 11:57:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | b0.info.afilias-nst.org, c0.info.afilias-nst.info, a0.info.afilias-nst.info, d0.info.afilias-nst.org... | 12 records |
| instructor.info | 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 instructor.info (unsigned zone)
⏱️ Timing
Total: 469ms | 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 |
📌 Glue Records Collected
Total: 12
In-bailiwick: 6 (a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info...)
Out-of-bailiwick: 6 (d0.info.afilias-nst.org, b2.info.afilias-nst.org, b0.info.afilias-nst.org...)
Analysis
IP Addresses
instructor.info directs to two IP numbers, 13.248.169.48 and 76.223.54.146
mccwdta.etlo.org, luxuryaustinrealestate.com, mx.matangi.org plus two other host names have IP numbers in common with instructor.info.
Name Servers
Two name servers handle the delegation for instructor.info: ns1.afternic.com and ns2.afternic.com.
The name server configuration of instructor.info is shared with other domains, for instance wqhs.com, net-66-210-106-115.theshop.net, hecate.ihealthcoverage.com and two others.
instructor.info has at least partial name server overlap with other domains, such as coffeesupplements.com, caditude.com, dinkiest.com and two others.
These name servers tend to appear together with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-frb6pqdkkjlns5j4tthxc3.ns101.verify.hn and verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn.
ns1.afternic.com and ns2.afternic.com both carry two IP addresses. The A records for ns1.afternic.com are 97.74.98.69 and 2603:5:2126::45; the A records for ns2.afternic.com are 173.201.66.69 and 2603:5:2226::45.