feldborg.com - dns.ninja

`feldborg.com`

DNSSEC	⚠️ Not signed
A	23.227.38.65^{🇨🇦 Cloudflare23.227.38.0/23 Shopify 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada}
		PTR	`myshopify.com`
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`d338254.a.ess.de.barracudanetworks.com` ⭐
		A	18.185.115.250^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.251^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.252^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
MX	`d338254.b.ess.de.barracudanetworks.com`⁽²⁰⁾
		A	18.185.115.250^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.251^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.252^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
TXT	`google-site-verification=x5QZ_zXDm3-0TdepdbovWcY9JFcuPY000P15AKP2c-w`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetwork...`
TXT	`google-site-verification=iAwxkQmJ8gKcrpPDzKli4b46Kg5U_zrClR7P1ANaWkg`
TXT	`MS=ms55454053`
TXT	`apple-domain-verification=8xYdxNVKBplcHmTy`
SOA	`ns01.one.com`hostmaster@one.com 2026-07-17 #1

`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.net`nstld@verisign-grs.com serial=1784917287

WOT: SAFE (68/100)

Subdomains

mailout.feldborg.com

www.feldborg.com

Same first word

feldborg.florist

feldborg.eu

feldborg.com

feldborg.mobi

feldborg.dk

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 → 2026-07-24 · 3 obs

○ 2016-12-19 17:24:40
● 2026-03-24 12:54:40
● 2026-07-24 18:28:02

●NSns02.one.com2026-03-24 → 2026-07-24 · 3 obs

○ 2016-12-19 17:24:40
● 2026-03-24 12:54:40
● 2026-07-24 18:28:02

○NSns1.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs

● 2015-07-07 13:30:52
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-07-24 18:28:02

○NSns2.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs

● 2015-07-07 13:30:52
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-07-24 18:28:02

○NSns3.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs

● 2015-07-07 13:30:52
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-07-24 18:28:02

○NSns4.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs

● 2015-07-07 13:30:52
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-07-24 18:28:02

○NSns5.gratisdns.dk2015-07-07 → 2016-12-19 · 4 obs

● 2015-07-07 13:30:52
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-07-24 18:28:02

●MXd338254.a.ess.de.barracudanetworks.com2026-03-24 → 2026-07-24 · 3 obs

○ 2016-12-19 17:24:40
● 2026-03-24 12:54:40
● 2026-07-24 18:28:02

●MXd338254.b.ess.de.barracudanetworks.com2026-03-24 → 2026-07-24 · 3 obs

○ 2016-12-19 17:24:40
● 2026-03-24 12:54:40
● 2026-07-24 18:28:02

○MXgate1.sikkermail.nu2015-07-07 → 2016-12-19 · 4 obs

● 2015-07-07 13:30:52
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-07-24 18:28:02

○MXgate2.sikkermail.nu2015-07-07 → 2016-12-19 · 4 obs

● 2015-07-07 13:30:52
● 2016-12-19 17:24:40
○ 2026-03-24 12:54:40
○ 2026-07-24 18:28:02

●A23.227.38.652026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 12:54:40
● 2026-07-24 18:28:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.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: 542ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.227.38.65`
NS	2	`ns01.one.com, ns02.one.com`
MX	2	`d338254.a.ess.de.barracudanetworks.com (, d338254.b.ess.de.barracudanetworks.com (`
TXT	5	`google-site-verification=x5QZ_zXDm3-0Tde, v=spf1 include:spf.protection.outlook.co...`
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

The NS records for feldborg.com delegate to 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 resolves to 195.206.121.10 and 2001:67c:28cc::10. Likewise, ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10 — two IP addresses apiece.

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 points to 18.185.115.250, 18.185.115.251 and 18.185.115.252; likewise, d338254.b.ess.de.barracudanetworks.com points to 18.185.115.250, 18.185.115.251 and 18.185.115.252.

d338254.a.ess.de.barracudanetworks.com and d338254.b.ess.de.barracudanetworks.com each have 18.185.115.250 IP addresses.

d338254.a.ess.de.barracudanetworks.com and d338254.b.ess.de.barracudanetworks.com each have 18.185.115.251 IP addresses.

d338254.a.ess.de.barracudanetworks.com and d338254.b.ess.de.barracudanetworks.com each have 18.185.115.252 IP addresses.