first-blue.com - robtex.com
first-blue.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=1771291435 | ||||||
Same first word
first-blue.de |
first-blue.com |
DNS History
13 records (8 active, 5 former)
○NSdns.typo3server.com2015-07-24 → 2017-03-19 · 3 obs
● 2017-03-19 02:34:50
○ 2026-03-24 04:56:50
●NSns01.agenturserver.co2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:56:50
●NSns01.agenturserver.de2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:56:50
●NSns01.agenturserver.it2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:56:50
○NSns2.typo3server.com2015-07-24 → 2017-03-19 · 3 obs
● 2017-03-19 02:34:50
○ 2026-03-24 04:56:50
○NSns3.dnsmittwald.de2015-07-24 → 2017-03-19 · 3 obs
● 2017-03-19 02:34:50
○ 2026-03-24 04:56:50
●MXmx1.agenturserver.de2016-01-26 → 2026-03-24 · 3 obs
● 2016-01-26 00:58:20
● 2026-03-24 04:56:50
●MXmx2.agenturserver.de2016-01-26 → 2026-03-24 · 3 obs
● 2016-01-26 00:58:20
● 2026-03-24 04:56:50
●MXmx3.agenturserver.de2016-01-26 → 2026-03-24 · 3 obs
● 2016-01-26 00:58:20
● 2026-03-24 04:56:50
●MXmx4.agenturserver.de2016-01-26 → 2026-03-24 · 3 obs
● 2016-01-26 00:58:20
● 2026-03-24 04:56:50
○MXmx51.mymxserver.com2015-07-24 → 2015-07-24 · 3 obs
○ 2016-01-26 00:58:20
○ 2026-03-24 04:56:50
○MXnx51.mymxserver.com2015-07-24 → 2015-07-24 · 3 obs
○ 2016-01-26 00:58:20
○ 2026-03-24 04:56:50
●A37.202.4.1102015-07-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:56:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| first-blue.com | ns01.agenturserver.de, ns01.agenturserver.it, ns01.agenturserver.co | - |
✅ Authoritative Response
Server:185.247.151.111
NS records: ns01.agenturserver.de, ns01.agenturserver.it, ns01.agenturserver.co
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for first-blue.com (unsigned zone)
⏱️ Timing
Total: 767ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.202.4.110 |
| NS | 3 | ns01.agenturserver.it, ns01.agenturserver.co... |
| MX | 4 | mx4.agenturserver.de (pri: 50), mx3.agenturserver.de (pri: 20)... |
| TXT | 1 | v=spf1 include:agenturserver.de ~all |
| SOA | 1 | ns01.agenturserver.de support.mittwald.d |
Analysis
IP Addresses
first-blue.com resolves to a single IP address: 37.202.4.110.
Other host names including first-blue.de, 1st-blue.com, r5677.agenturserver.it, firstblue.de and www.first-blue.de share IP numbers with first-blue.com.
Name Servers
first-blue.com is delegated to three name servers: ns01.agenturserver.co, ns01.agenturserver.de and ns01.agenturserver.it.
first-blue.com at least partially shares name servers with other domains, including asviva.co.uk, saardach.de, silikonkatheter.com, apuna-shop.de and stiftungniedersachsen.de.
Hostnames with a single IP:
ns01.agenturserver.co points to: 185.247.150.113.
ns01.agenturserver.de points to: 185.247.151.111.
ns01.agenturserver.it points to: 185.247.151.112.
Mail Servers
first-blue.com is served by four mail servers: mx1.agenturserver.de, mx2.agenturserver.de, mx3.agenturserver.de and mx4.agenturserver.de.
The mail servers for first-blue.com are shared with other domains, for instance ipa.cloud, ottsystem.de, labventure.de, bibelzentrum-barth.de and imu-augsburg.de.
Hostnames with a single IP:
mx1.agenturserver.de points to 185.15.192.56
mx2.agenturserver.de points to 185.15.192.57
mx3.agenturserver.de points to 185.15.192.58
mx4.agenturserver.de points to 185.15.192.59