`referenceworks.es`

DNSSEC	⚠️ Not signed
A	79.139.120.11^{🇪🇸 acens_AS79.139.120.0/22}
		PTR	`poapww100.dns-servicio.com`
NS	`ns1.srv-acens.com` ⭐
		A	86.109.102.131^{🇪🇸 acens_AS86.109.102.0/24 DATAHOUSE INTERNET}
			PTR	`ns3.dns-servicios.es`
NS	`ns2.srv-acens.com`
		A	176.28.119.196^{🇪🇸 acens_AS176.28.119.0/24}
			PTR	`ns4.dns-servicios.es`
MX	`mx.referenceworks.es` ⭐
		A	217.116.0.227^{🇪🇸 acens_AS217.116.0.0/24}
			PTR	`relaysin.dominioabsoluto.net`
TXT	`v=spf1 redirect=spf.dominioabsoluto.net`
SOA	`ns1.srv-acens.com`referenceworks@telefonica.net serial=85292

`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 2026-03-25 #6

Subdomains

mx.referenceworks.es

Same first word

referenceworks.es

DNS History

5 records (4 active, 1 former)

●NSns1.srv-acens.com2015-07-15 → 2026-03-25 · 2 obs

● 2015-07-15 04:21:30
● 2026-03-25 09:58:16

●NSns2.srv-acens.com2015-07-15 → 2026-03-25 · 2 obs

● 2015-07-15 04:21:30
● 2026-03-25 09:58:16

●MXmx.referenceworks.es2015-07-15 → 2026-03-25 · 2 obs

● 2015-07-15 04:21:30
● 2026-03-25 09:58:16

○A176.28.103.2272015-07-15 → 2020-04-05 · 4 obs

● 2015-07-15 04:21:30
● 2020-04-05 00:49:46
○ 2026-02-15 21:53:26
○ 2026-03-25 09:58:16

●A79.139.120.112026-02-15 → 2026-03-25 · 3 obs

○ 2020-04-05 00:49:46
● 2026-02-15 21:53:26
● 2026-03-25 09:58:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
es	g.nic.es, a.nic.es, c.nic.es, h.nic.es	-
referenceworks.es	ns1.srv-acens.com, ns2.srv-acens.com	-

✅ Authoritative Response

Server:176.28.119.196

NS records: ns1.srv-acens.com, ns2.srv-acens.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for referenceworks.es (unsigned zone)

⏱️ Timing

Total: 701ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`79.139.120.11`
NS	2	`ns1.srv-acens.com, ns2.srv-acens.com`
MX	1	`mx.referenceworks.es (pri: 10)`
TXT	1	`v=spf1 redirect=spf.dominioabsoluto.net`
SOA	1	`ns1.srv-acens.com referenceworks.telefon`

Analysis

Hierarchy

The parent of mx.referenceworks.es is referenceworks.es.

IP Addresses

referenceworks.es points to a single IP address: 79.139.120.11.

Other host names such as asecovi.com, arcafert.com, luzyvolumen.com, caflusa.es and infocrom.com share IPs with referenceworks.es.

Name Servers

Two name servers ns1.srv-acens.com and ns2.srv-acens.com handle the delegation for referenceworks.es.

referenceworks.es shares the same name server setup as other domains, for example icgaroa.com, cerca.es, pixelcolor.es, projectehome.com and concincopanes.com.

referenceworks.es at least partially shares name servers with other domains, for example csac.es, ambitgaleriaart.com, refracta.net, elacebodeboadilla.com and aknon.eu.

These name servers are often used together with ns1.dns-servicios.es and ns2.dns-servicios.es.

Host names with one IP number:

ns1.srv-acens.com points to 86.109.102.131; ns2.srv-acens.com points to 176.28.119.196.

Mail Servers

The mx.referenceworks.es mail server handles referenceworks.es.

mx.referenceworks.es points to a single IP number: 217.116.0.227.

referenceworks.es - robtex.com