u2bio.com - robtex.com
u2bio.com
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=1776130282 | ||||||
Subdomains
mail.u2bio.com |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.doregi.com2015-06-03 → 2026-04-14 · 2 obs
● 2026-04-14 01:57:14
●NSns2.doregi.com2015-06-03 → 2026-04-14 · 2 obs
● 2026-04-14 01:57:14
●NSns3.doregi.com2015-06-03 → 2026-04-14 · 2 obs
● 2026-04-14 01:57:14
○MXmail.u2bio.com2015-06-03 → 2016-12-07 · 4 obs
● 2016-12-07 17:13:46
○ 2020-01-13 18:47:14
○ 2026-04-14 01:57:14
●MXu2bio-com.mail.protection.outlook.com2020-01-13 → 2026-04-14 · 3 obs
● 2020-01-13 18:47:14
● 2026-04-14 01:57:14
●A18.98.133.402026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 09:54:48
● 2026-04-14 01:57:14
○A211.43.213.602015-06-03 → 2020-01-13 · 4 obs
● 2020-01-13 18:47:14
○ 2026-03-26 09:54:48
○ 2026-04-14 01:57:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| u2bio.com | ns1.doregi.com, ns2.doregi.com, ns3.doregi.com | 3 records |
✅ Authoritative Response
Server:1.214.210.186
NS records: ns1.doregi.com, ns2.doregi.com, ns3.doregi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u2bio.com (unsigned zone)
⏱️ Timing
Total: 3516ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.98.133.40 |
| NS | 3 | ns1.doregi.com, ns3.doregi.com... |
| MX | 1 | u2bio-com.mail.protection.outlook.com (p |
| TXT | 2 | _globalsign-domain-verification=HOdeXkzk, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.doregi.com root.doregi.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.doregi.com, ns2.doregi.com, ns3.doregi.com)
Analysis
Hierarchy
u2bio.com is the parent of mail.u2bio.com.
IP Addresses
u2bio.com resolves to a single IP address: 18.98.133.40.
Other host names, for instance mail.u2bio.com, share IP numbers with u2bio.com.
Name Servers
u2bio.com is delegated to three name servers: ns1.doregi.com, ns2.doregi.com and ns3.doregi.com.
u2bio.com at least partially shares name servers with other domains, including ildlt.org, megagosi.net, cybersoc.org, busangolf.com and epscorea.com.
Hostnames with a single IP:
ns1.doregi.com points to: 58.76.184.11.
ns2.doregi.com points to: 58.76.184.12.
ns3.doregi.com points to: 1.214.210.186.
Mail Servers
u2bio.com is handled by a single mail server, u2bio-com.mail.protection.outlook.com.
Hostname u2bio-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc35::, 2a01:111:f403:cc35::1, 2a01:111:f403:cc35::2, 2a01:111:f403:cc37::, 52.101.153.0, 52.101.153.1, 52.101.153.2 and 52.101.155.0.