bluehdorn.com - robtex.com

bluehdorn.com

com

Same first word

DNS History

6 records (6 active, 0 former)

NSroot-dns.netcup.netsecond-dns.netcup.netthird-dns.netcup.netMXmail.protonmail.chmailsec.protonmail.chA46.38.243.234
NSroot-dns.netcup.net2026-02-28 → 2026-07-27 · 2 obs
● 2026-02-28 21:45:56
● 2026-07-27 11:14:12
NSsecond-dns.netcup.net2026-02-28 → 2026-07-27 · 2 obs
● 2026-02-28 21:45:56
● 2026-07-27 11:14:12
NSthird-dns.netcup.net2026-02-28 → 2026-07-27 · 2 obs
● 2026-02-28 21:45:56
● 2026-07-27 11:14:12
MXmail.protonmail.ch2026-02-28 → 2026-07-27 · 2 obs
● 2026-02-28 21:45:56
● 2026-07-27 11:14:12
MXmailsec.protonmail.ch2026-02-28 → 2026-07-27 · 2 obs
● 2026-02-28 21:45:56
● 2026-07-27 11:14:12
A46.38.243.2342026-02-28 → 2026-07-27 · 2 obs
● 2026-02-28 21:45:56
● 2026-07-27 11:14:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
bluehdorn.comroot-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

TypeCountSample Data
A146.38.243.234
NS3third-dns.netcup.net, second-dns.netcup.net...
MX2mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)
TXT2v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=9039e8cddcc2cc8c
SOA1root-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.net46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net188.68.63.68 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.