rtbiotech.com - dns.ninja
rtbiotech.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=1782775716 | ||||||
Same first word
rtbiotech.com |
Similar names
DNS History
14 records (14 active, 0 former)
●NSdns1.name-services.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●NSdns2.name-services.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●NSdns3.name-services.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●NSdns4.name-services.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●NSdns5.name-services.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●MXalt1.aspmx.l.google.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●MXalt2.aspmx.l.google.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●MXaspmx.l.google.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●MXaspmx2.googlemail.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●MXaspmx3.googlemail.com2016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●A216.239.32.212016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●A216.239.34.212016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●A216.239.36.212016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
●A216.239.38.212016-12-14 → 2026-06-29 · 2 obs
● 2026-06-29 23:50:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| rtbiotech.com | dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com... | 10 records |
✅ Authoritative Response
Server:216.40.47.202
NS records: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com, dns5.name-services.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtbiotech.com (unsigned zone)
⏱️ Timing
Total: 362ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.38.21, 216.239.36.21... |
| NS | 5 | dns1.name-services.com, dns4.name-services.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| TXT | 2 | v=spf1 include:_spf.google.com ?all, google-site-verification=ORmrk3ET2TjKJAv |
| SOA | 1 | dns1.name-services.com info.name-service |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (dns1.name-services.com, dns1.name-services.com, dns2.name-services.com...)
Analysis
IP Addresses
rtbiotech.com directs to four IP numbers, which are 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
ssbr.go.th, topkoch.ch, jhoney.net plus two other host names have IP numbers in common with rtbiotech.com.
Name Servers
Five name servers handle delegation for rtbiotech.com: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com and two others.
At least some of rtbiotech.com's name servers are shared with other domains, for example britetradingshanghai.com, wmv-inc.com, 0050300.com and two more.
These name servers tend to be deployed in combination with the name servers dns4.name-services.com and dns5.name-services.com.
Host names pointing to two IP addresses:
dns1.name-services.com resolves to two addresses: 64.98.148.137 and 2604:4000:2800:2000:64:98:148:137.
dns2.name-services.com resolves to two addresses: 216.40.47.201 and 2604:4000:0:d:216:40:47:201.
dns3.name-services.com resolves to two addresses: 64.98.148.138 and 2604:4000:2800:2000:64:98:148:138.
dns4.name-services.com resolves to two addresses: 216.40.47.202 and 2604:4000:0:d:216:40:47:202.
dns5.name-services.com resolves to two addresses: 64.98.148.139 and 2604:4000:2800:2000:64:98:148:139.
Mail Servers
Five mail servers handle rtbiotech.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by rtbiotech.com are shared with other domains: analytics.3dxinternet.ovh, siliconindia.com, bcfranchise.com and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to two addresses: 172.253.63.27 and 2607:f8b0:4004:c07::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1b IP addresses.
aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 2a00:1450:400b:c02::1b IP addresses.
aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.27 IP addresses.