biosierra.com - robtex.com
biosierra.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=1771291435 | ||||||
Same first word
biosierra.com |
Similar names
DNS History
15 records (4 active, 11 former)
○NSicy1.vps-leo.com2015-08-05 → 2015-11-28 · 4 obs
● 2015-11-28 01:03:46
○ 2016-03-04 22:08:04
○ 2026-03-24 00:53:16
○NSicy2.vps-roc.com2015-08-05 → 2015-11-28 · 4 obs
● 2015-11-28 01:03:46
○ 2016-03-04 22:08:04
○ 2026-03-24 00:53:16
○NSns.biosierra.com2016-07-11 → 2016-07-11 · 4 obs
● 2016-07-11 22:44:42
○ 2017-03-16 12:07:22
○ 2026-03-24 00:53:16
●NSns3.afternic.com2026-03-07 → 2026-03-24 · 3 obs
● 2026-03-07 17:14:14
● 2026-03-24 00:53:16
○NSns3.epik.com2016-07-11 → 2020-01-18 · 5 obs
● 2016-07-11 22:44:42
● 2020-01-18 14:43:00
○ 2026-03-07 17:14:14
○ 2026-03-24 00:53:16
●NSns4.afternic.com2026-03-07 → 2026-03-24 · 3 obs
● 2026-03-07 17:14:14
● 2026-03-24 00:53:16
○NSns4.epik.com2016-07-11 → 2020-01-18 · 5 obs
● 2016-07-11 22:44:42
● 2020-01-18 14:43:00
○ 2026-03-07 17:14:14
○ 2026-03-24 00:53:16
○MXmail.b-io.co2016-07-11 → 2020-01-18 · 5 obs
● 2016-07-11 22:44:42
● 2020-01-18 14:43:00
○ 2026-03-07 17:14:14
○ 2026-03-24 00:53:16
○MXmail.biosierra.com2015-08-05 → 2015-11-28 · 4 obs
● 2015-11-28 01:03:46
○ 2016-03-04 22:08:04
○ 2026-03-24 00:53:16
●A13.248.169.482026-03-07 → 2026-03-24 · 3 obs
● 2026-03-07 17:14:14
● 2026-03-24 00:53:16
○A192.187.124.32016-07-11 → 2016-07-11 · 4 obs
● 2016-07-11 22:44:42
○ 2017-03-16 12:07:22
○ 2026-03-24 00:53:16
○A27.254.44.2422015-08-05 → 2015-11-28 · 4 obs
● 2015-11-28 01:03:46
○ 2016-03-04 22:08:04
○ 2026-03-24 00:53:16
○A45.88.202.1152020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 14:43:00
○ 2026-03-07 17:14:14
○ 2026-03-24 00:53:16
●A76.223.54.1462026-03-07 → 2026-03-24 · 3 obs
● 2026-03-07 17:14:14
● 2026-03-24 00:53:16
○A88.214.207.962017-03-16 → 2017-03-16 · 4 obs
● 2017-03-16 12:07:22
○ 2020-01-18 14:43:00
○ 2026-03-24 00:53:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| biosierra.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 biosierra.com (unsigned zone)
⏱️ Timing
Total: 317ms | 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
IP Addresses
biosierra.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance taleti.com, mail.quincor.com, abbeco.com, ds107sc1.bayarea.net and andersonoh.net share IP numbers with biosierra.com.
Name Servers
biosierra.com's delegation is to two name servers ns3.afternic.com and ns4.afternic.com.
biosierra.com shares the same name server configuration as other domains, such as insightsparks.com, createbot.com, www.nikkirhodes.com, mail.btcgn.com and athletesunion.com.
biosierra.com at least partially shares its name servers with other domains, for instance ylmail.com, xtib.com, mantimes.com, qyip.com and oqau.com.
These name servers are often used together with the name servers verification-2hupcltk6hmfcmoczls2f5.ns101.verify.hn.
Host names with a single IP:
ns3.afternic.com resolves to 97.74.98.65.
ns4.afternic.com resolves to 173.201.66.65.