blue-it.org - robtex.com
blue-it.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 152.53.110.154🇦🇹 netcup-AS152.53.108.0/22 | ||||||
| PTR | blue-it.org | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.blue-it.org ⭐ | ||||||
| A | 152.53.110.154🇦🇹 netcup-AS152.53.108.0/22 | ||||||
| PTR | blue-it.org | ||||||
| TXT | v=spf1 include:spf.smtp2go.com -all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2025-06-15 #91 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1778672430 | ||||||
PTR for
Subdomains
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSroot-dns.netcup.net2015-08-17 → 2026-05-13 · 2 obs
● 2026-05-13 11:46:56
●NSsecond-dns.netcup.net2015-08-17 → 2026-05-13 · 2 obs
● 2026-05-13 11:46:56
●NSthird-dns.netcup.net2015-08-17 → 2026-05-13 · 2 obs
● 2026-05-13 11:46:56
○MXblue-it.org2016-09-11 → 2017-04-21 · 4 obs
● 2016-09-11 14:05:50
● 2017-04-21 05:00:22
○ 2026-05-13 11:46:56
●MXmail.blue-it.org2015-08-17 → 2026-05-13 · 5 obs
● 2016-03-27 01:59:46
○ 2016-09-11 14:05:50
○ 2017-04-21 05:00:22
● 2026-05-13 11:46:56
●A152.53.110.1542026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 11:46:56
○A37.120.166.352015-12-21 → 2017-04-21 · 4 obs
● 2015-12-21 11:45:24
● 2017-04-21 05:00:22
○ 2026-05-13 11:46:56
○A46.38.251.492015-08-17 → 2015-08-17 · 3 obs
○ 2015-12-21 11:45:24
○ 2026-05-13 11:46:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| blue-it.org | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blue-it.org (unsigned zone)
⏱️ Timing
Total: 710ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 152.53.110.154 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| MX | 1 | mail.blue-it.org (pri: 10) |
| TXT | 1 | v=spf1 include:spf.smtp2go.com -all |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
blue-it.org is a parent of mail.blue-it.org and wiki.blue-it.org.
IP Addresses
blue-it.org resolves to one IP number: 152.53.110.154.
Other host names such as mail.blue-it.org and wiki.blue-it.org share IP numbers with blue-it.org.
Name Servers
blue-it.org is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
blue-it.org at least partially shares name servers with other domains, for instance animewerbung.com, jan-saar.de, beastar.de, sponsoo.ch and michael-h-bosch.de.
Host names with two IP numbers:
root-dns.netcup.net points to: 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to: 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to: 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
blue-it.org is handled by a single mail server, mail.blue-it.org.
mail.blue-it.org resolves to IP 152.53.110.154.