3crbio.com - robtex.com
3crbio.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=1774653292 | ||||||
Same first word
3crbio.com |
DNS History
13 records (6 active, 7 former)
●NSns1.wordpress.com2017-09-28 → 2026-03-27 · 2 obs
● 2026-03-27 23:15:52
●NSns2.wordpress.com2017-09-28 → 2026-03-27 · 2 obs
● 2026-03-27 23:15:52
●NSns3.wordpress.com2017-09-28 → 2026-03-27 · 2 obs
● 2026-03-27 23:15:52
●MX3crbio-com.mail.protection.outlook.com2026-03-01 → 2026-03-27 · 3 obs
● 2026-03-01 13:08:36
● 2026-03-27 23:15:52
○MXalt1.aspmx.l.google.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-01 13:08:36
○ 2026-03-27 23:15:52
○MXalt2.aspmx.l.google.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-01 13:08:36
○ 2026-03-27 23:15:52
○MXalt3.aspmx.l.google.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-01 13:08:36
○ 2026-03-27 23:15:52
○MXalt4.aspmx.l.google.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-01 13:08:36
○ 2026-03-27 23:15:52
○MXaspmx.l.google.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-01 13:08:36
○ 2026-03-27 23:15:52
●A185.175.199.172026-03-01 → 2026-03-27 · 3 obs
● 2026-03-01 13:08:36
● 2026-03-27 23:15:52
○A192.0.78.242017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-01 13:08:36
○ 2026-03-27 23:15:52
○A192.0.78.252017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-01 13:08:36
○ 2026-03-27 23:15:52
●A2a00:1c98:60:1191::8b0c:66be2026-03-01 → 2026-03-27 · 3 obs
● 2026-03-01 13:08:36
● 2026-03-27 23:15:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 3crbio.com | ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com | 6 records |
✅ Authoritative Response
Server:192.0.74.9
NS records: ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3crbio.com (unsigned zone)
⏱️ Timing
Total: 119ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.175.199.17 |
| AAAA | 1 | 2a00:1c98:60:1191::8b0c:66be |
| NS | 3 | ns2.wordpress.com, ns3.wordpress.com... |
| MX | 1 | 3crbio-com.mail.protection.outlook.com ( |
| TXT | 4 | v=spf1 include:spf.protection.outlook.co, MS=ms54263033... |
| SOA | 1 | ns1.wordpress.com hostmaster.wordpress.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.wordpress.com, ns1.wordpress.com, ns2.wordpress.com...)
Analysis
IP Addresses
3crbio.com points to two IP numbers: 2a00:1c98:60:1191::8b0c:66be and 185.175.199.17.
Other host names such as www.itrain.ch, technopark-lommatzsch.com, gw.geba.net, diemathleten.de and www.vln.de share IPs with 3crbio.com.
Name Servers
3crbio.com is delegated to three name servers: ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com.
3crbio.com at least partially shares name servers with other domains, for instance olifeoil.com, annerulo.com, artcraiglongmuir.com, postcardsfromsanantonio.com and etbodyworks.com.
Host ns1.wordpress.com points to 2a04:fa87:ffff::c6b5:7409 and 198.181.116.9; Host ns2.wordpress.com points to 2a04:fa87:ffff::c6b5:7509 and 198.181.117.9; Host ns3.wordpress.com points to 2620:115:c00f::c000:4a09 and 192.0.74.9.
Mail Servers
3crbio.com is handled by a single mail server, 3crbio-com.mail.protection.outlook.com.
Host name 3crbio-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.2, 52.101.99.0 and 52.101.99.2.