`back.es`

DNSSEC	⚠️ Not signed
A	2a03:4000:34:59d::1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
		PTR	`back.es`
A	194.59.206.130^{🇩🇪 netcup-AS194.59.204.0/22}
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.back.es` ⭐
		A	91.204.46.24^{🇩🇪 netcup-AS91.204.46.0/24}
			PTR	`mx2e18.netcup.net`
MX	`mx2e18.netcup.net`⁽⁵⁰⁾
		A	2a03:4000:0:392:14a7:38ff:fee4:caa8^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`mx2e18.netcup.net`
		A	91.204.46.24^{🇩🇪 netcup-AS91.204.46.0/24}
			PTR	`mx2e18.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2024-06-07 #2

`es`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.nic.es` ⭐
	NS	`a.nic.es`
	NS	`c.nic.es`
	NS	`g.nic.es`
	NS	`h.nic.es`
	SOA	`ns1.nic.es`hostmaster@nic.es 2026-07-13 #6

PTR for

130.206.59.194.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.9.5.0.4.3.0.0.0.0.0.4.3.0.a.2.ip6.arpa

Subdomains

mail.back.es

Same first word

back.tv

back.pro

back.business

back.lu

back.house

back.co.jp

back.ee

back.cz

back.pt

back.net

back.engineering

back.amsterdam

back.app

back.agency

back.cn

back.vn

back.center

back.co

back.com.mx

back.ru

back.nl

back.cash

back.co.id

back.tw

back.es

back.lat

back.at

back.pub

back.eng.br

back.no

back.events

back.com.ar

back.ax

back.zone

back.schule

back.is

back.ws

back.ly

back.ink

back.to

back.ro

back.fr

back.com

back.by

back.cloudns.cx

back.eu

back.dk

back.bio

back.nu

back.mx

back.be

back.ch

back.solutions

back.cl

back.ai

back.im

back.biz

back.cf

back.show

back.pl

back.red

back.money

back.com.cn

back.name

back.in

back.id.vn

back.ist

Similar names

kcab.cn

abck.net

akbc.com.au

bakc.lv

kabc.co

abkc.ro

ckba.org

kabc.info

ckba.sk

abkc.eu

akbc.com

kabc.de

ckab.io

kbca.ca

kabc.ru

kabc.us

abkc.pro

akcb.pl

cbka.com

abck.eu

abck.de

bakc.org.uk

abck.ac.th

bakc.de

akbc.org.au

ckab.com

bkac.com

kbac.com

bcak.bc.ca

kcba.com

kbac.de

kacb.co.kr

acbk.be

cbak.com

bcka.org

kabc.net

abck.jp

cabk.org.uk

cabk.org

abck.pl

kcab.xyz

bakc.nl

ackb.com

kcab.be

cbak.de

cabk.com

kcab.se

ckba.co.kr

akcb.de

abck.org

cbka.fr

acbk.org

kbca.co.nz

kabc.or.kr

cbka.co.uk

bkac.cn

bakc.com

akbc.cn

kabc.nl

kcab.net

kcba.net.ua

acbk.de

kabc.kr

kbca.org

abck.com

kcba.org

kacb.org

cbak.net

abkc.ru

cakb.com

DNS History

17 records (7 active, 10 former)

○NSns1.eurodns.com2015-08-06 → 2015-10-16 · 5 obs

○ 2008-11-27 23:02:48
● 2015-08-06 10:55:28
● 2015-10-16 18:26:12
○ 2016-01-15 00:04:40
○ 2026-07-13 23:25:22

○NSns1.sedoparking.com2016-01-15 → 2017-01-13 · 5 obs

○ 2015-10-16 18:26:12
● 2016-01-15 00:04:40
● 2017-01-13 14:16:08
○ 2026-04-01 19:50:46
○ 2026-07-13 23:25:22

○NSns2.eurodns.com2015-08-06 → 2015-10-16 · 5 obs

○ 2008-11-27 23:02:48
● 2015-08-06 10:55:28
● 2015-10-16 18:26:12
○ 2016-01-15 00:04:40
○ 2026-07-13 23:25:22

○NSns2.sedoparking.com2016-01-15 → 2017-01-13 · 5 obs

○ 2015-10-16 18:26:12
● 2016-01-15 00:04:40
● 2017-01-13 14:16:08
○ 2026-04-01 19:50:46
○ 2026-07-13 23:25:22

○NSns3.eurodns.com2015-08-06 → 2015-10-16 · 5 obs

○ 2008-11-27 23:02:48
● 2015-08-06 10:55:28
● 2015-10-16 18:26:12
○ 2016-01-15 00:04:40
○ 2026-07-13 23:25:22

○NSns4.eurodns.com2015-08-06 → 2015-10-16 · 5 obs

○ 2008-11-27 23:02:48
● 2015-08-06 10:55:28
● 2015-10-16 18:26:12
○ 2016-01-15 00:04:40
○ 2026-07-13 23:25:22

●NSroot-dns.netcup.net2026-04-01 → 2026-07-13 · 3 obs

○ 2017-01-13 14:16:08
● 2026-04-01 19:50:46
● 2026-07-13 23:25:22

●NSsecond-dns.netcup.net2026-04-01 → 2026-07-13 · 3 obs

○ 2017-01-13 14:16:08
● 2026-04-01 19:50:46
● 2026-07-13 23:25:22

●NSthird-dns.netcup.net2026-04-01 → 2026-07-13 · 3 obs

○ 2017-01-13 14:16:08
● 2026-04-01 19:50:46
● 2026-07-13 23:25:22

○MXlocalhost2016-09-01 → 2017-01-13 · 5 obs

○ 2016-04-28 08:52:46
● 2016-09-01 02:03:52
● 2017-01-13 14:16:08
○ 2026-04-01 19:50:46
○ 2026-07-13 23:25:22

●MXmail.back.es2015-08-06 → 2026-07-13 · 7 obs

○ 2008-11-27 23:02:48
● 2015-08-06 10:55:28
● 2015-10-16 18:26:12
○ 2016-01-15 00:04:40
○ 2017-01-13 14:16:08
● 2026-04-01 19:50:46
● 2026-07-13 23:25:22

○MXmail.nickstel.com2016-01-15 → 2016-04-28 · 5 obs

○ 2015-10-16 18:26:12
● 2016-01-15 00:04:40
● 2016-04-28 08:52:46
○ 2016-09-01 02:03:52
○ 2026-07-13 23:25:22

●MXmx2e18.netcup.net2026-04-01 → 2026-07-13 · 3 obs

○ 2017-01-13 14:16:08
● 2026-04-01 19:50:46
● 2026-07-13 23:25:22

○A185.53.177.202015-08-06 → 2015-10-16 · 5 obs

○ 2008-11-27 23:02:48
● 2015-08-06 10:55:28
● 2015-10-16 18:26:12
○ 2016-01-15 00:04:40
○ 2026-07-13 23:25:22

●A194.59.206.1302026-04-01 → 2026-07-13 · 3 obs

○ 2017-01-13 14:16:08
● 2026-04-01 19:50:46
● 2026-07-13 23:25:22

●A2a03:4000:34:59d::12026-04-01 → 2026-07-13 · 3 obs

○ 2017-01-13 14:16:08
● 2026-04-01 19:50:46
● 2026-07-13 23:25:22

○A72.52.4.912016-01-15 → 2017-01-13 · 5 obs

○ 2015-10-16 18:26:12
● 2016-01-15 00:04:40
● 2017-01-13 14:16:08
○ 2026-04-01 19:50:46
○ 2026-07-13 23:25:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
es	g.nic.es, c.nic.es, a.nic.es, h.nic.es	-
back.es	second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for back.es (unsigned zone)

⏱️ Timing

Total: 834ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`194.59.206.130`
AAAA	1	`2a03:4000:34:59d::1`
NS	3	`second-dns.netcup.net, third-dns.netcup.net...`
MX	2	`mx2e18.netcup.net (pri: 50), mail.back.es (pri: 10)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

back.es is the parent zone for mail.back.es.

IP Addresses

back.es resolves to the IP addresses 194.59.206.130 and 2a03:4000:34:59d::1

Name Servers

back.es is served by three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

back.es partially shares its NS delegation with several other domains, including katzenlexikon.de, inboxing.de, bestattung-neumann.de and two others.

The hostnames root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each direct to two IP addresses — root-dns.netcup.net to 46.38.225.225 and 2a03:4000:0:1::e1e1, second-dns.netcup.net to 37.221.199.199 and 2a03:4000:2:24b::c7c7, and third-dns.netcup.net to 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

back.es is served by two mail servers, mail.back.es and mx2e18.netcup.net.

There is at least a partial MX overlap between back.es and other domains, including dariah.de, remap.biz, owse.de and two others.

These mail servers often co-occur with the mail servers mail.finanzprofit.org.

Host names that have two IP addresses:

The A records for mx2e18.netcup.net return 91.204.46.24 and 2a03:4000:0:392:14a7:38ff:fee4:caa8.

Host names that point to one IP address:

mail.back.es resolves to the IP address 91.204.46.24.

mx2e18.netcup.net and mail.back.es each have 91.204.46.24 IP addresses.

back.es - robtex.com

back.es

es

PTR for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`back.es`

`es`