feldborg.com - robtex.com
feldborg.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=1786863789 | ||||||
Subdomains
Same first word
Similar names
foldberg.com |
blogfred.com |
borgfeld.com |
brdegolf.com |
flodberg.se |
borgfeld.de |
foldberg.dk |
frogblde.kasserver.com |
flodberg.com |
fredblog.com |
borgfeld.eu |
DNS History
12 records (5 active, 7 former)
●NSns01.one.com2026-03-24 → 2026-08-16 · 3 obs
● 2026-03-24 12:54:40
● 2026-08-16 07:04:34
●NSns02.one.com2026-03-24 → 2026-08-16 · 3 obs
● 2026-03-24 12:54:40
● 2026-08-16 07:04:34
○NSns1.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-08-16 07:04:34
○NSns2.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-08-16 07:04:34
○NSns3.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-08-16 07:04:34
○NSns4.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-08-16 07:04:34
○NSns5.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-08-16 07:04:34
●MXd338254.a.ess.de.barracudanetworks.com2026-03-24 → 2026-08-16 · 3 obs
● 2026-03-24 12:54:40
● 2026-08-16 07:04:34
●MXd338254.b.ess.de.barracudanetworks.com2026-03-24 → 2026-08-16 · 3 obs
● 2026-03-24 12:54:40
● 2026-08-16 07:04:34
○MXgate1.sikkermail.nu2015-07-07 → 2016-12-19 · 4 obs
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-08-16 07:04:34
○MXgate2.sikkermail.nu2015-07-07 → 2016-12-19 · 4 obs
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-08-16 07:04:34
●A23.227.38.652026-03-24 → 2026-08-16 · 2 obs
● 2026-08-16 07:04:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net... | - |
| feldborg.com | ns01.one.com, ns02.one.com | 4 records |
✅ Authoritative Response
Server:185.10.11.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 440ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.65 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 2 | d338254.a.ess.de.barracudanetworks.com (, d338254.b.ess.de.barracudanetworks.com ( |
| TXT | 5 | google-site-verification=iAwxkQmJ8gKcrpP, MS=ms55454053... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns01.one.com, ns01.one.com, ns02.one.com...)
Analysis
Hierarchy
feldborg.com is the parent domain of mailout.feldborg.com and www.feldborg.com.
IP Addresses
feldborg.com points to a single IP number: 23.227.38.65.
Additional host names — polymarc.com, plymouthmartialarts.com, interbiz.se and two others — share IP numbers with feldborg.com.
Name Servers
DNS delegation for feldborg.com points to two name servers: ns01.one.com and ns02.one.com.
feldborg.com shares its name server setup with other domains, including arin.se, dawas.dk, sachverstaendiger-karlsruhe.net and two others.
ns01.one.com directs to 195.206.121.10 and 2001:67c:28cc::10. ns02.one.com directs to 185.10.11.10 and 2001:67c:3c0::10. Each host name carries two IP addresses.
Mail Servers
feldborg.com has two mail servers: d338254.a.ess.de.barracudanetworks.com and d338254.b.ess.de.barracudanetworks.com.
d338254.a.ess.de.barracudanetworks.com resolves to 18.185.115.250, 18.185.115.251 and 18.185.115.252; d338254.b.ess.de.barracudanetworks.com resolves to those same three IP addresses.
Host names pointing to 18.185.115.250 IP addresses: d338254.a.ess.de.barracudanetworks.com and d338254.b.ess.de.barracudanetworks.com.
Host names pointing to 18.185.115.251 IP addresses: d338254.a.ess.de.barracudanetworks.com and d338254.b.ess.de.barracudanetworks.com.
Host names pointing to 18.185.115.252 IP addresses: d338254.a.ess.de.barracudanetworks.com and d338254.b.ess.de.barracudanetworks.com.