`sierramarques.com`

DNSSEC	⚠️ Not signed
A	164.138.208.108^{🇪🇸 CYBERNETICOS164.138.208.0/22 abuse@cyberneticos.com cyberneticos bgp c1}
		PTR	`dsierra.cyberneticos.net`
NS	`dsierrans1.cyberneticos.com` ⭐
		A	164.138.208.108^{🇪🇸 CYBERNETICOS164.138.208.0/22 abuse@cyberneticos.com cyberneticos bgp c1}
			PTR	`dsierra.cyberneticos.net`
NS	`dsierrans2.cyberneticos.com`
		A	164.138.214.202^{🇪🇸 UNSPECIFIED160.0.0.0/3}
			PTR	`ns2varadero.cyberneticos.com`
MX	`mail.sierramarques.com` ⭐
		A	164.138.208.108^{🇪🇸 CYBERNETICOS164.138.208.0/22 abuse@cyberneticos.com cyberneticos bgp c1}
			PTR	`dsierra.cyberneticos.net`
TXT	`v=spf1 a mx ip4:164.138.208.108 -all`
SOA	`dsierrans1.cyberneticos.com`hostmaster@sierramarques.com 2025-02-05 #0

`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=1774636922

Subdomains

mail.sierramarques.com

Same first word

sierramarques.com

DNS History

7 records (4 active, 3 former)

○NSdns30.cyberneticos.com2015-08-21 → 2016-07-16 · 4 obs

● 2015-08-21 19:53:34
● 2016-07-16 07:41:04
○ 2017-03-27 01:03:16
○ 2026-03-27 18:44:22

○NSdns31.cyberneticos.com2015-08-21 → 2016-07-16 · 4 obs

● 2015-08-21 19:53:34
● 2016-07-16 07:41:04
○ 2017-03-27 01:03:16
○ 2026-03-27 18:44:22

●NSdsierrans1.cyberneticos.com2017-03-27 → 2026-03-27 · 3 obs

○ 2016-07-16 07:41:04
● 2017-03-27 01:03:16
● 2026-03-27 18:44:22

●NSdsierrans2.cyberneticos.com2017-03-27 → 2026-03-27 · 3 obs

○ 2016-07-16 07:41:04
● 2017-03-27 01:03:16
● 2026-03-27 18:44:22

●MXmail.sierramarques.com2015-08-21 → 2026-03-27 · 2 obs

● 2015-08-21 19:53:34
● 2026-03-27 18:44:22

●A164.138.208.1082017-03-27 → 2026-03-27 · 3 obs

○ 2016-07-16 07:41:04
● 2017-03-27 01:03:16
● 2026-03-27 18:44:22

○A164.138.208.1842015-08-21 → 2016-07-16 · 4 obs

● 2015-08-21 19:53:34
● 2016-07-16 07:41:04
○ 2017-03-27 01:03:16
○ 2026-03-27 18:44:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
sierramarques.com	dsierrans1.cyberneticos.com, dsierrans2.cyberneticos.com	2 records

✅ Authoritative Response

Server:164.138.208.108

NS records: dsierrans1.cyberneticos.com, dsierrans2.cyberneticos.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sierramarques.com (unsigned zone)

⏱️ Timing

Total: 293ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`164.138.208.108`
NS	2	`dsierrans1.cyberneticos.com, dsierrans2.cyberneticos.com`
MX	1	`mail.sierramarques.com (pri: 10)`
TXT	1	`v=spf1 a mx ip4:164.138.208.108 -all`
SOA	1	`dsierrans1.cyberneticos.com hostmaster.s`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dsierrans1.cyberneticos.com, dsierrans2.cyberneticos.com)

Analysis

Hierarchy

The parent of mail.sierramarques.com is sierramarques.com.

IP Addresses

sierramarques.com points to a single IP number: 164.138.208.108.

Other host names, for instance mimfit.com, mail.sierramarques.com, dsierra.cyberneticos.net, dsierrans1.cyberneticos.com and mail.mimfit.es share IP numbers with sierramarques.com.

Name Servers

sierramarques.com is delegated to two name servers: dsierrans1.cyberneticos.com and dsierrans2.cyberneticos.com.

The name server setup for sierramarques.com is shared with other domains, such as mimfit.com, mailanweb.com and mimfit.es.

Host names with one IP number:

dsierrans1.cyberneticos.com points to: 164.138.208.108.

dsierrans2.cyberneticos.com points to: 164.138.214.202.

Mail Servers

The mail server for sierramarques.com is mail.sierramarques.com.

Host name mail.sierramarques.com resolves to IP 164.138.208.108.

sierramarques.com - robtex.com