`blue-cell.com`

DNSSEC	⚠️ Not signed
A	185.21.40.199^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
		PTR	`linux14.curanet.dk`
NS	`ns1.curanet.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
MX	`d332550.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	`d332550.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	`anthropic-domain-verification-21dep6=OD9yUk6HTWrKGuyc1M5XBhxeN`
TXT	`v=spf1 a mx include:spf.protection.outlook.com include:spf.emailsignatures365...`
TXT	`MS=ms25461313`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2025-12-10 #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=1778568446

Subdomains

mail.blue-cell.com

www.blue-cell.com

Same first word

blue-cell.cz

blue-cell.com

blue-cell.nl

Similar names

elle-club.com

DNS History

16 records (5 active, 11 former)

●NSns1.curanet.dk2026-02-23 → 2026-05-12 · 3 obs

○ 2017-02-15 19:31:40
● 2026-02-23 09:52:10
● 2026-05-12 06:58:54

○NSns1.eftydns.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-04-08 18:11:00
● 2017-02-15 19:31:40
○ 2026-02-23 09:52:10
○ 2026-05-12 06:58:54

●NSns2.curanet.dk2026-02-23 → 2026-05-12 · 3 obs

○ 2017-02-15 19:31:40
● 2026-02-23 09:52:10
● 2026-05-12 06:58:54

○NSns2.eftydns.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-04-08 18:11:00
● 2017-02-15 19:31:40
○ 2026-02-23 09:52:10
○ 2026-05-12 06:58:54

○NSns63.domaincontrol.com2016-04-08 → 2016-04-08 · 4 obs

○ 2016-01-20 01:29:50
● 2016-04-08 18:11:00
○ 2017-02-15 19:31:40
○ 2026-05-12 06:58:54

○NSns64.domaincontrol.com2016-04-08 → 2016-04-08 · 4 obs

○ 2016-01-20 01:29:50
● 2016-04-08 18:11:00
○ 2017-02-15 19:31:40
○ 2026-05-12 06:58:54

○NSpdns03.domaincontrol.com2015-06-28 → 2016-01-20 · 4 obs

● 2015-06-28 19:41:28
● 2016-01-20 01:29:50
○ 2016-04-08 18:11:00
○ 2026-05-12 06:58:54

○NSpdns04.domaincontrol.com2015-06-28 → 2016-01-20 · 4 obs

● 2015-06-28 19:41:28
● 2016-01-20 01:29:50
○ 2016-04-08 18:11:00
○ 2026-05-12 06:58:54

●MXd332550.a.ess.de.barracudanetworks.com2026-02-23 → 2026-05-12 · 3 obs

○ 2017-02-15 19:31:40
● 2026-02-23 09:52:10
● 2026-05-12 06:58:54

●MXd332550.b.ess.de.barracudanetworks.com2026-02-23 → 2026-05-12 · 3 obs

○ 2017-02-15 19:31:40
● 2026-02-23 09:52:10
● 2026-05-12 06:58:54

○MXmail.blue-cell.com2015-06-28 → 2016-04-08 · 4 obs

● 2015-06-28 19:41:28
● 2016-04-08 18:11:00
○ 2017-02-15 19:31:40
○ 2026-05-12 06:58:54

○MXmail.efty.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-04-08 18:11:00
● 2017-02-15 19:31:40
○ 2026-02-23 09:52:10
○ 2026-05-12 06:58:54

○A119.81.170.182017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-13 12:12:46
● 2017-02-15 19:31:40
○ 2026-02-23 09:52:10
○ 2026-05-12 06:58:54

○A184.72.237.1732016-07-13 → 2016-07-13 · 4 obs

○ 2016-04-08 18:11:00
● 2016-07-13 12:12:46
○ 2017-02-15 19:31:40
○ 2026-05-12 06:58:54

●A185.21.40.1992026-02-23 → 2026-05-12 · 3 obs

○ 2017-02-15 19:31:40
● 2026-02-23 09:52:10
● 2026-05-12 06:58:54

○A188.138.125.2172015-06-28 → 2016-04-08 · 4 obs

● 2015-06-28 19:41:28
● 2016-04-08 18:11:00
○ 2016-07-13 12:12:46
○ 2026-05-12 06:58:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net...	-
blue-cell.com	ns1.curanet.dk, ns2.curanet.dk	-

✅ Authoritative Response

Server:185.25.141.12

NS records: ns1.curanet.dk, ns2.curanet.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blue-cell.com (unsigned zone)

⏱️ Timing

Total: 611ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.21.40.199`
NS	2	`ns2.curanet.dk, ns1.curanet.dk`
MX	2	`d332550.a.ess.de.barracudanetworks.com (, d332550.b.ess.de.barracudanetworks.com (`
TXT	3	`anthropic-domain-verification-21dep6=OD9, v=spf1 a mx include:spf.protection.outlo...`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

Analysis

Hierarchy

blue-cell.com is parent of mail.blue-cell.com and www.blue-cell.com.

IP Addresses

blue-cell.com points to a single IP: 185.21.40.199.

Other host names, for instance lokaltand.dk, maelkeproducenter.dk, www.allergica.dk, bo3.lokaltand.dk and addvision.dk share IP numbers with blue-cell.com.

Name Servers

blue-cell.com's delegation is to two name servers ns1.curanet.dk and ns2.curanet.dk.

blue-cell.com shares the same name server configuration as other domains, such as mpdenmark.com, skemaplan.dk, uggerhoej.com, eurocatering.dk and it-online.dk.

blue-cell.com at least partially shares its name servers with other domains, for instance xn--smrdigind-m8a.net, hasagergaard.dk, famskagen.dk, veros.dk and riansi.dk.