doctorblue.net - robtex.com
doctorblue.net
net
| 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=1771291465 | ||||||
Previously MX for
doctorblue.net |
Subdomains
mx.doctorblue.net |
Same first word
doctorblue.com |
doctorblue.net |
Similar names
DNS History
11 records (6 active, 5 former)
○NSns-bak.vdns.vn2015-10-24 → 2016-01-17 · 4 obs
● 2016-01-17 08:13:12
○ 2016-06-19 05:53:06
○ 2026-03-23 02:31:00
●NSns.udag.de2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 01:36:44
● 2026-03-23 02:31:00
●NSns.udag.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 01:36:44
● 2026-03-23 02:31:00
●NSns.udag.org2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 01:36:44
● 2026-03-23 02:31:00
○NSns1.visiondns.net2015-10-24 → 2016-01-17 · 4 obs
● 2016-01-17 08:13:12
○ 2016-06-19 05:53:06
○ 2026-03-23 02:31:00
○NSns2.visiondns.net2015-10-24 → 2016-01-17 · 4 obs
● 2016-01-17 08:13:12
○ 2016-06-19 05:53:06
○ 2026-03-23 02:31:00
○MXdoctorblue.net2015-10-24 → 2016-01-17 · 4 obs
● 2016-01-17 08:13:12
○ 2016-06-19 05:53:06
○ 2026-03-23 02:31:00
●MXmx00.udag.de2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 01:36:44
● 2026-03-23 02:31:00
●MXmx01.udag.de2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 01:36:44
● 2026-03-23 02:31:00
○A89.163.246.122015-10-24 → 2016-01-17 · 4 obs
● 2016-01-17 08:13:12
○ 2016-06-19 05:53:06
○ 2026-03-23 02:31:00
●A89.31.143.902026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 01:36:44
● 2026-03-23 02:31:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| doctorblue.net | ns.udag.de, ns.udag.net, ns.udag.org | 2 records |
✅ Authoritative Response
Server:185.132.33.253
NS records: ns.udag.de, ns.udag.net, ns.udag.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doctorblue.net (unsigned zone)
⏱️ Timing
Total: 477ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.31.143.90 |
| NS | 3 | ns.udag.org, ns.udag.de... |
| MX | 2 | mx01.udag.de (pri: 20), mx00.udag.de (pri: 10) |
| TXT | 1 | v=spf1 include:_smtp.udag.de ~all |
| SOA | 1 | ns.udag.de hostmaster.united-domains.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.udag.net, ns.udag.net)
Analysis
Hierarchy
The parent of mx.doctorblue.net is doctorblue.net.
IP Addresses
doctorblue.net points to a single IP number: 89.31.143.90.
Other host names, for instance nivabootalebi.com, suit99.com, physiotherapie-neubauer.de, vandering.com and kmarketing.eu share IP numbers with doctorblue.net.
Name Servers
The domain doctorblue.net is delegated to three name servers: ns.udag.de, ns.udag.net and ns.udag.org.
doctorblue.net shares name servers with other domains at least partially, for instance pione.de, aesparel.ch, 11legends.ch, burbaum.com and traumfewo.net.
Host names with two IP numbers:
ns.udag.de points to 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253
ns.udag.net points to 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253
ns.udag.org points to 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253
Mail Servers
doctorblue.net is handled by two mail servers: mx00.udag.de and mx01.udag.de.
doctorblue.net shares the same mail server setup as other domains, including fotos-aus-der-luft.de, sulii.com, swop.me, drhegel.com and eroof.ch.
Host names with one IP number:
mx00.udag.de points to: 62.146.106.39.
mx01.udag.de points to: 62.146.106.40.