exercise101.com - dns.ninja
exercise101.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=1782853676 | ||||||
Subdomains
mail.exercise101.com |
Same first word
exercise101.com |
exercise101.com.au |
Similar names
DNS History
11 records (4 active, 7 former)
○NSns1.peer1.net2015-07-31 → 2017-02-15 · 4 obs
● 2017-02-15 09:35:42
○ 2020-01-31 15:06:32
○ 2026-06-30 21:36:40
○NSns2.peer1.net2015-07-31 → 2017-02-15 · 4 obs
● 2017-02-15 09:35:42
○ 2020-01-31 15:06:32
○ 2026-06-30 21:36:40
●NSns3.afternic.com2026-03-28 → 2026-06-30 · 3 obs
● 2026-03-28 11:29:24
● 2026-06-30 21:36:40
○NSns3.epik.com2020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 15:06:32
○ 2026-03-28 11:29:24
○ 2026-06-30 21:36:40
●NSns4.afternic.com2026-03-28 → 2026-06-30 · 3 obs
● 2026-03-28 11:29:24
● 2026-06-30 21:36:40
○NSns4.epik.com2020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 15:06:32
○ 2026-03-28 11:29:24
○ 2026-06-30 21:36:40
○MXmail.exercise101.com2015-07-31 → 2017-02-15 · 4 obs
● 2017-02-15 09:35:42
○ 2020-01-31 15:06:32
○ 2026-06-30 21:36:40
●A13.248.169.482026-03-28 → 2026-06-30 · 3 obs
● 2026-03-28 11:29:24
● 2026-06-30 21:36:40
○A207.198.109.592015-07-31 → 2017-02-15 · 4 obs
● 2017-02-15 09:35:42
○ 2020-01-31 15:06:32
○ 2026-06-30 21:36:40
○A45.88.202.1152020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 15:06:32
○ 2026-03-28 11:29:24
○ 2026-06-30 21:36:40
●A76.223.54.1462026-03-28 → 2026-06-30 · 3 obs
● 2026-03-28 11:29:24
● 2026-06-30 21:36:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net... | - |
| exercise101.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 exercise101.com (unsigned zone)
⏱️ Timing
Total: 254ms | 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
Hierarchy
mail.exercise101.com is a subdomain of exercise101.com.
IP Addresses
exercise101.com has two IP addresses: 13.248.169.48 and 76.223.54.146
nvhh.com, ns1.moput.com, okfund.com and two other host names share IP numbers with exercise101.com.
Name Servers
The NS records for exercise101.com delegate to ns3.afternic.com and ns4.afternic.com.
exercise101.com uses the same name servers as several other domains — among them mx.vexchanges.com, fijoe.com, mail.kado.me and two more.
The name servers of exercise101.com overlap at least partially with those of other domains — among them yxpb.com, lqinc.com, albaf.com and two more.
These name servers commonly appear in combination with the name servers verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
Both ns3.afternic.com and ns4.afternic.com have a single IP address each — ns3.afternic.com resolves to 97.74.98.65 while ns4.afternic.com resolves to 173.201.66.65.