`know-how-training.com`

DNSSEC	⚠️ Not signed
A	217.76.128.47^{🇪🇸 IONOS-AS217.76.128.0/19 arsys.es}
		PTR	`hosting01.servidoresdns.net`
NS	`dns39.servidoresdns.net` ⭐
		A	217.76.128.159^{🇪🇸 IONOS-AS217.76.128.0/19 arsys.es}
			PTR	`dns39.servidoresdns.net`
NS	`dns40.servidoresdns.net`
		A	82.223.218.154^{🇪🇸 IONOS-AS82.223.0.0/16 arsys.es}
			PTR	`dns40.servidoresdns.net`
MX	`mx.serviciodecorreo.es` ⭐
		A	82.223.190.100^{🇪🇸 IONOS-AS82.223.0.0/16 arsys.es}
			PTR	`mx.serviciodecorreo.es`
TXT	`v=spf1 include:_spf.serviciodecorreo.es ~all`
SOA	`dns39.servidoresdns.net`hostmaster@servidoresdns.net 2018-01-02 #53

`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=1771291435

Same first word

know-how-training.com

DNS History

9 records (4 active, 5 former)

○NSdns1.sistema-dns.com2015-06-22 → 2017-02-12 · 4 obs

● 2015-06-22 16:59:50
● 2017-02-12 04:43:00
○ 2018-12-07 04:02:18
○ 2026-03-23 07:28:52

○NSdns2.sistema-dns.com2015-06-22 → 2017-02-12 · 4 obs

● 2015-06-22 16:59:50
● 2017-02-12 04:43:00
○ 2018-12-07 04:02:18
○ 2026-03-23 07:28:52

●NSdns39.servidoresdns.net2018-12-07 → 2026-03-23 · 3 obs

○ 2017-02-12 04:43:00
● 2018-12-07 04:02:18
● 2026-03-23 07:28:52

●NSdns40.servidoresdns.net2018-12-07 → 2026-03-23 · 3 obs

○ 2017-02-12 04:43:00
● 2018-12-07 04:02:18
● 2026-03-23 07:28:52

○MXmail.know-how-training.com2015-06-22 → 2017-02-12 · 4 obs

● 2015-06-22 16:59:50
● 2017-02-12 04:43:00
○ 2018-12-07 04:02:18
○ 2026-03-23 07:28:52

●MXmx.serviciodecorreo.es2018-12-07 → 2026-03-23 · 3 obs

○ 2017-02-12 04:43:00
● 2018-12-07 04:02:18
● 2026-03-23 07:28:52

●A217.76.128.472026-03-05 → 2026-03-23 · 3 obs

○ 2018-12-07 04:02:18
● 2026-03-05 23:54:18
● 2026-03-23 07:28:52

○A217.76.132.2112018-12-07 → 2018-12-07 · 4 obs

○ 2017-02-12 04:43:00
● 2018-12-07 04:02:18
○ 2026-03-05 23:54:18
○ 2026-03-23 07:28:52

○A93.93.112.642015-06-22 → 2017-02-12 · 4 obs

● 2015-06-22 16:59:50
● 2017-02-12 04:43:00
○ 2018-12-07 04:02:18
○ 2026-03-23 07:28:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
know-how-training.com	dns40.servidoresdns.net, dns39.servidoresdns.net	-

✅ Authoritative Response

Server:82.223.218.154

NS records: dns40.servidoresdns.net, dns39.servidoresdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for know-how-training.com (unsigned zone)

⏱️ Timing

Total: 586ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.76.128.47`
NS	2	`dns39.servidoresdns.net, dns40.servidoresdns.net`
MX	1	`mx.serviciodecorreo.es (pri: 10)`
TXT	1	`v=spf1 include:_spf.serviciodecorreo.es`
SOA	1	`dns39.servidoresdns.net hostmaster.servi`

Analysis

IP Addresses

know-how-training.com points to a single IP number: 217.76.128.47.

other host names for instance agemelar.net, grupoinvagro.com, redlab.es, byas.es and jaboneseco.com share IP numbers with know-how-training.com.

Name Servers

know-how-training.com is delegated to two name servers: dns39.servidoresdns.net and dns40.servidoresdns.net.

know-how-training.com shares the same name server setup as other domains, for example bestplayersintheworld.com, audema.com, cogelsa.com, avrioinv.com and josetena.com.

know-how-training.com partially shares name servers with other domains, for instance space.cat, sanmarcopesca.com and caletaindustrial.com.

Host names with one IP number:

The host dns39.servidoresdns.net points to 217.76.128.159 and the host dns40.servidoresdns.net points to 82.223.218.154.

Mail Servers

know-how-training.com is handled by a single mail server, mx.serviciodecorreo.es.

know-how-training.com shares the same mail server setup as other domains, for instance mallasomnia.com, feybur.com, nicline.tv, domoticashop.es and labelgrafic.com.

know-how-training.com shares at least partially some mail servers with other domains, for example seagrams.es, gmveurolift.es, bargatan.com and grupobein.com.

Host name mx.serviciodecorreo.es points to IP address 82.223.190.100.

know-how-training.com - robtex.com