knowledge.bio - dns.ninja
knowledge.bio
| 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 | ||||||
bio
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.bio ⭐ | ||||||
| NS | a2.nic.bio | ||||||
| NS | b0.nic.bio | ||||||
| NS | c0.nic.bio | ||||||
| SOA | a0.nic.biohostmaster@donuts.email serial=1783406457 | ||||||
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSdns1.registrar-servers.com2017-07-10 → 2017-07-10 · 4 obs
● 2017-07-10 03:02:36
○ 2026-02-17 16:20:00
○ 2026-07-07 06:43:20
○NSdns2.registrar-servers.com2017-07-10 → 2017-07-10 · 4 obs
● 2017-07-10 03:02:36
○ 2026-02-17 16:20:00
○ 2026-07-07 06:43:20
●NSns1.afternic.com2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:20:00
● 2026-07-07 06:43:20
○NSns1djs.name.com2016-12-09 → 2016-12-09 · 3 obs
○ 2017-07-10 03:02:36
○ 2026-07-07 06:43:20
●NSns2.afternic.com2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:20:00
● 2026-07-07 06:43:20
○NSns2lns.name.com2016-12-09 → 2016-12-09 · 3 obs
○ 2017-07-10 03:02:36
○ 2026-07-07 06:43:20
○NSns3dgj.name.com2016-12-09 → 2016-12-09 · 3 obs
○ 2017-07-10 03:02:36
○ 2026-07-07 06:43:20
○NSns4fqz.name.com2016-12-09 → 2016-12-09 · 3 obs
○ 2017-07-10 03:02:36
○ 2026-07-07 06:43:20
●A13.248.169.482026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:20:00
● 2026-07-07 06:43:20
○A34.193.128.72017-07-10 → 2017-07-10 · 4 obs
● 2017-07-10 03:02:36
○ 2026-02-17 16:20:00
○ 2026-07-07 06:43:20
○A52.8.198.962016-12-09 → 2016-12-09 · 3 obs
○ 2017-07-10 03:02:36
○ 2026-07-07 06:43:20
●A76.223.54.1462026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:20:00
● 2026-07-07 06:43:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bio | a0.nic.bio, a2.nic.bio, b0.nic.bio, c0.nic.bio | 8 records |
| knowledge.bio | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledge.bio (unsigned zone)
⏱️ Timing
Total: 605ms | 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: 8
In-bailiwick: 8 (a0.nic.bio, a2.nic.bio, b0.nic.bio...)
Analysis
IP Addresses
knowledge.bio resolves to the IP addresses 13.248.169.48 and 76.223.54.146
bitsov.com, www.rock-paper-scissors.com, wiradio.com plus two other host names have IP numbers in common with knowledge.bio.
Name Servers
knowledge.bio is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
The name server configuration of knowledge.bio is shared with other domains, for instance vloz.com, smtp.scorean.com, lightpace.com and two others.
knowledge.bio has at least partial name server overlap with other domains, such as fitforyou.us, mirthforge.com, evergood.xyz and two others.
It is common to see these name servers used together with name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-m3erh32ujyoastvophjvuz.ns101.verify.hn.
ns1.afternic.com and ns2.afternic.com each resolve to two IP addresses: ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45, while ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45.