captbio.com - dns.ninja
captbio.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 75.98.175.81🇺🇸 A2HOSTING75.98.160.0/20 A2 Hosting, Inc. | ||||||
| PTR | mi3-ss116.a2hosting.com | ||||||
| NS | ns1.a2hosting.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com ⚠️ Not in parent delegation | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | captbio.com ⭐ | ||||||
| A | 75.98.175.81🇺🇸 A2HOSTING75.98.160.0/20 A2 Hosting, Inc. | ||||||
| PTR | mi3-ss116.a2hosting.com | ||||||
| SOA | ns1.a2hosting.comroot@mi3-ss116.a2hosting.com 2026-03-19 #1 | ||||||
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=1781499615 | ||||||
MX for
captbio.com |
Same first word
captbio.com |
Similar names
opticab.fr |
taipobc.org.hk |
picabot.com |
biopact.com |
tapcibo.com |
picotba.mobi |
bcpatio.com |
optibac.com |
pcbaito.com |
actiobp.com |
copbait.com |
optiabc.com |
biopact.fr |
opticab.com |
biopact.nl |
picotba.com |
bitcapo.com |
picboat.com |
DNS History
7 records (6 active, 1 former)
●NSns1.a2hosting.com2026-02-24 → 2026-06-15 · 3 obs
● 2026-02-24 08:30:16
● 2026-06-15 05:25:18
●NSns2.a2hosting.com2026-02-24 → 2026-06-15 · 3 obs
● 2026-02-24 08:30:16
● 2026-06-15 05:25:18
●NSns3.a2hosting.com2015-08-12 → 2026-06-15 · 2 obs
● 2026-06-15 05:25:18
●NSns4.a2hosting.com2015-08-12 → 2026-06-15 · 2 obs
● 2026-06-15 05:25:18
●MXcaptbio.com2015-08-12 → 2026-06-15 · 2 obs
● 2026-06-15 05:25:18
○A75.98.174.1942015-08-12 → 2017-07-06 · 4 obs
● 2017-07-06 11:47:52
○ 2026-02-24 08:30:16
○ 2026-06-15 05:25:18
●A75.98.175.812026-02-24 → 2026-06-15 · 3 obs
● 2026-02-24 08:30:16
● 2026-06-15 05:25:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| captbio.com | ns3.a2hosting.com, ns4.a2hosting.com | 2 records |
✅ Authoritative Response
Server:76.223.26.245
NS records: ns3.a2hosting.com, ns4.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for captbio.com (unsigned zone)
⏱️ Timing
Total: 192ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 75.98.175.81 |
| NS | 4 | ns4.a2hosting.com, ns1.a2hosting.com... |
| MX | 1 | captbio.com (pri: 0) |
| SOA | 1 | ns1.a2hosting.com root.mi3-ss116.a2hosti |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.a2hosting.com, ns4.a2hosting.com)
Analysis
Mail Server Role
captbio.com acts as its own mail server.
IP Addresses
captbio.com points to a single IP number: 75.98.175.81.
Additional host names — indite.org, hillpointfinancial.com, tlfmx.com and two others — share IP numbers with captbio.com.
Name Servers
captbio.com has four authoritative name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
At least some of captbio.com's name servers are shared with other domains, for example kerbstone.nl, aviatur.md, softmoon-webware.com and two more.
These name servers tend to co-occur with ns1.supercp.com, ns2.supercp.com, ns1.mysecurecloudhost.com and 5 other name servers in the same DNS delegations.
ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com each resolve to one IP address: ns1.a2hosting.com resolves to 13.248.158.180, ns2.a2hosting.com resolves to 75.2.118.134, ns3.a2hosting.com resolves to 76.223.26.245 and ns4.a2hosting.com resolves to 99.83.147.209.
Mail Servers
captbio.com has a single mail server: captbio.com itself.
captbio.com carries a single IP number, which is 75.98.175.81.