guida21.com - robtex.com

guida21.com

DNSSEC⚠️ Not signed
A185.103.38.210🇪🇸 SERVIHOSTING-AS185.103.36.0/22 Stackscale Route
NSdns47.servidoresdns.net ⭐
A217.76.128.164🇪🇸 IONOS-AS217.76.128.0/19 arsys.es
PTRdns47.servidoresdns.net
NSdns48.servidoresdns.net
A82.223.218.164🇪🇸 IONOS-AS82.223.0.0/16 arsys.es
PTRdns48.servidoresdns.net
MXguida21-com.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::e🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db8pr02cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::6🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::8🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::e🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00206.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.68.29🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbapr03cu00105.inbound.protection.outlook.com
A52.101.68.39🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00607.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms42405635
TXTgoogle-site-verification=_k-ElI-TqqG3h871VHpf-jAyHjxu6vWTQR2DdTUdRXg
SOAdns47.servidoresdns.nethostmaster@servidoresdns.net 2019-08-06 #85

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774596977

Same first word

guida21.com

DNS History

15 records (4 active, 11 former)

200920112013201520172019202120232025NSdns47.servidoresdns.netdns48.servidoresdns.netdns1.sistema-dns.comdns2.sistema-dns.comMXguida21-com.mail.protection.outlook.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA185.103.38.21046.24.18.12585.152.33.191
○NSdns1.sistema-dns.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○NSdns2.sistema-dns.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
●NSdns47.servidoresdns.net2026-02-25 → 2026-03-27 · 3 obs
○ 2018-11-14 15:34:16
● 2026-02-25 19:07:18
● 2026-03-27 08:06:14
●NSdns48.servidoresdns.net2026-02-25 → 2026-03-27 · 3 obs
○ 2018-11-14 15:34:16
● 2026-02-25 19:07:18
● 2026-03-27 08:06:14
○MXalt1.aspmx.l.google.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○MXalt2.aspmx.l.google.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○MXaspmx.l.google.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○MXaspmx2.googlemail.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○MXaspmx3.googlemail.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○MXaspmx4.googlemail.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○MXaspmx5.googlemail.com2015-06-24 → 2018-11-14 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
●MXguida21-com.mail.protection.outlook.com2026-02-25 → 2026-03-27 · 3 obs
○ 2018-11-14 15:34:16
● 2026-02-25 19:07:18
● 2026-03-27 08:06:14
●A185.103.38.2102026-02-25 → 2026-03-27 · 3 obs
○ 2018-11-14 15:34:16
● 2026-02-25 19:07:18
● 2026-03-27 08:06:14
○A46.24.18.1252017-01-29 → 2018-11-14 · 5 obs
○ 2016-04-23 20:30:56
● 2017-01-29 02:19:20
● 2018-11-14 15:34:16
○ 2026-02-25 19:07:18
○ 2026-03-27 08:06:14
○A85.152.33.1912015-06-24 → 2016-04-23 · 5 obs
○ 2008-03-14 20:34:36
● 2015-06-24 10:57:58
● 2016-04-23 20:30:56
○ 2017-01-29 02:19:20
○ 2026-03-27 08:06:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
guida21.comdns47.servidoresdns.net, dns48.servidoresdns.net-

✅ Authoritative Response

Server:82.223.218.164

NS records: dns47.servidoresdns.net, dns48.servidoresdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guida21.com (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

TypeCountSample Data
A1185.103.38.210
NS2dns48.servidoresdns.net, dns47.servidoresdns.net
MX1guida21-com.mail.protection.outlook.com
TXT3MS=ms42405635, v=spf1 include:spf.protection.outlook.co...
SOA1dns47.servidoresdns.net hostmaster.servi

Analysis

IP Addresses

guida21.com resolves to a single IP: 185.103.38.210.

Name Servers

guida21.com has two name servers: dns47.servidoresdns.net and dns48.servidoresdns.net.

guida21.com shares the same name server setup as other domains, for example marcado-ue.com, cafeteriarincon.com, sistemastransmision.net, institutotecnologicoeuropeo.com and cnsvicente.es.

Host names with a single IP:

dns47.servidoresdns.net points to 217.76.128.164

dns48.servidoresdns.net points to 82.223.218.164

Mail Servers

guida21.com is handled by a single mail server, guida21-com.mail.protection.outlook.com.

Host guida21-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::8, 2a01:111:f403:ca09::e, 52.101.68.25, 52.101.68.29, 52.101.68.39 and 52.101.73.1.