bluehdorn.com - robtex.com
bluehdorn.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=1785149557 | ||||||
Same first word
bluehdorn.com |
DNS History
6 records (6 active, 0 former)
●NSroot-dns.netcup.net2026-02-28 → 2026-07-27 · 2 obs
● 2026-07-27 11:14:12
●NSsecond-dns.netcup.net2026-02-28 → 2026-07-27 · 2 obs
● 2026-07-27 11:14:12
●NSthird-dns.netcup.net2026-02-28 → 2026-07-27 · 2 obs
● 2026-07-27 11:14:12
●MXmail.protonmail.ch2026-02-28 → 2026-07-27 · 2 obs
● 2026-07-27 11:14:12
●MXmailsec.protonmail.ch2026-02-28 → 2026-07-27 · 2 obs
● 2026-07-27 11:14:12
●A46.38.243.2342026-02-28 → 2026-07-27 · 2 obs
● 2026-07-27 11:14:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| bluehdorn.com | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bluehdorn.com (unsigned zone)
⏱️ Timing
Total: 1706ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.38.243.234 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10) |
| TXT | 2 | v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=9039e8cddcc2cc8c |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
IP Addresses
bluehdorn.com points to a single IP number: 46.38.243.234.
Additional host names — mail.notapo.de, mail.kosova.li, mail.nabjinsky.de and two others — share IP numbers with bluehdorn.com.
Name Servers
The authoritative name servers for bluehdorn.com are root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net — three in total.
There is at least partial name server overlap between bluehdorn.com and other domains — safetec-nci.de, avidens.com, parkort.io and two more among them.
root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net all resolve to exactly two IP numbers apiece: root-dns.netcup.net → 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net → 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net → 188.68.63.68 and 2a03:4001:0:106::3f44.
Mail Servers
bluehdorn.com has two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.
bluehdorn.com shares the same mail server setup as other domains, including korb.email, tsundere.love, forbauer.com and two others.
bluehdorn.com shares mail servers — at least in part — with other domains, including infabula.nl, omracreative.ie, edzilla.info and two others.
mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.