firstmaster.com - dns.ninja

`firstmaster.com`

DNSSEC	⚠️ Not signed
A	2a00:6d40:4:1::c291:33^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
A	62.149.189.54^{🇮🇹 ARUBA-ASN62.149.184.0/21 Aruba S.p.A. Network}
NS	`dns4.arubadns.cz` ⭐
		A	2001:15e8:104:4::d8ee^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`dns4.arubadns.cz`
		A	81.2.216.238^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`dns4.arubadns.cz`
NS	`dns.technorail.com`
		A	2a00:6d40:2:2082::f:1^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns.technorail.com`
		A	94.177.210.13^{🇮🇹 ARUBA-ASN94.177.208.0/22 Aruba S.p.A. Network}
			PTR	`dns.technorail.com`
NS	`dns2.technorail.com`
		A	2a00:6d42:3:2096::f:1^{🇮🇹 ARUBA-ASN2a00:6d42::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns2.technorail.com`
		A	95.110.136.8^{🇮🇹 ARUBA-ASN95.110.136.0/21 Aruba S.p.A. Network}
			PTR	`dns2.technorail.com`
NS	`dns3.arubadns.net`
		A	2a00:6d41:3:206e::f:1^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns3.arubadns.net`
		A	95.110.220.5^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`dns3.arubadns.net`
MX	`mx.firstmaster.com` ⭐
		A	62.149.128.74^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd5.aruba.it`
		A	62.149.128.151^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd6.aruba.it`
		A	62.149.128.154^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd7.aruba.it`
		A	62.149.128.157^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd8.aruba.it`
		A	62.149.128.160^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd1.aruba.it`
		A	62.149.128.163^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd2.aruba.it`
		A	62.149.128.166^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd3.aruba.it`
TXT	`v=spf1 include:_spf.aruba.it ~all`
SOA	`dns4.arubadns.cz`hostmaster@firstmaster.com 2026-04-12 #1

`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=1781581655

Previously MX for

firstmaster.com

Subdomains

mail.firstmaster.com

mx.firstmaster.com

Same first word

firstmaster.com

firstmaster.it

Similar names

firststream.com

mattressfir.com

masterfirst.com

attressfirm.com

firststream.ru

firststream.eu

firmattress.com

masterfitrs.com

streamfirst.com

DNS History

23 records (7 active, 16 former)

○NSarushi.ns.cloudflare.com2026-02-15 → 2026-04-11 · 5 obs

○ 2017-06-01 06:36:22
● 2026-02-15 18:45:18
● 2026-04-11 16:56:24
○ 2026-04-28 20:03:04
○ 2026-06-16 03:58:54

●NSdns.technorail.com2026-04-28 → 2026-06-16 · 3 obs

○ 2026-04-11 16:56:24
● 2026-04-28 20:03:04
● 2026-06-16 03:58:54

●NSdns2.technorail.com2026-04-28 → 2026-06-16 · 3 obs

○ 2026-04-11 16:56:24
● 2026-04-28 20:03:04
● 2026-06-16 03:58:54

●NSdns3.arubadns.net2026-04-28 → 2026-06-16 · 3 obs

○ 2026-04-11 16:56:24
● 2026-04-28 20:03:04
● 2026-06-16 03:58:54

●NSdns4.arubadns.cz2026-04-28 → 2026-06-16 · 3 obs

○ 2026-04-11 16:56:24
● 2026-04-28 20:03:04
● 2026-06-16 03:58:54

○NSns1.labcomunicazione.com2015-07-08 → 2017-06-01 · 4 obs

● 2015-07-08 15:14:44
● 2017-06-01 06:36:22
○ 2026-02-15 18:45:18
○ 2026-06-16 03:58:54

○NSns2.labcomunicazione.com2015-07-08 → 2017-06-01 · 4 obs

● 2015-07-08 15:14:44
● 2017-06-01 06:36:22
○ 2026-02-15 18:45:18
○ 2026-06-16 03:58:54

○NSrocco.ns.cloudflare.com2026-02-15 → 2026-04-11 · 5 obs

○ 2017-06-01 06:36:22
● 2026-02-15 18:45:18
● 2026-04-11 16:56:24
○ 2026-04-28 20:03:04
○ 2026-06-16 03:58:54

○MXfirstmaster.com2015-07-08 → 2017-06-01 · 4 obs

● 2015-07-08 15:14:44
● 2017-06-01 06:36:22
○ 2026-02-15 18:45:18
○ 2026-06-16 03:58:54

○MXmail.firstmaster.com2026-02-15 → 2026-02-21 · 5 obs

○ 2017-06-01 06:36:22
● 2026-02-15 18:45:18
● 2026-02-21 15:53:58
○ 2026-04-11 16:56:24
○ 2026-06-16 03:58:54

●MXmx.firstmaster.com2026-04-28 → 2026-06-16 · 3 obs

○ 2026-04-11 16:56:24
● 2026-04-28 20:03:04
● 2026-06-16 03:58:54

○A104.21.95.102026-02-16 → 2026-02-21 · 5 obs

○ 2026-02-15 18:45:18
● 2026-02-16 05:10:04
● 2026-02-21 15:53:58
○ 2026-04-11 16:56:24
○ 2026-06-16 03:58:54

○A108.160.148.1802015-07-08 → 2016-06-28 · 4 obs

● 2015-07-08 15:14:44
● 2016-06-28 14:23:32
○ 2017-06-01 06:36:22
○ 2026-06-16 03:58:54

○A172.67.142.1252026-02-16 → 2026-02-21 · 5 obs

○ 2026-02-15 18:45:18
● 2026-02-16 05:10:04
● 2026-02-21 15:53:58
○ 2026-04-11 16:56:24
○ 2026-06-16 03:58:54

○A188.114.96.02026-02-15 → 2026-02-15 · 4 obs

○ 2017-06-01 06:36:22
● 2026-02-15 18:45:18
○ 2026-02-16 05:10:04
○ 2026-06-16 03:58:54

○A188.114.97.02026-02-15 → 2026-02-15 · 4 obs

○ 2017-06-01 06:36:22
● 2026-02-15 18:45:18
○ 2026-02-16 05:10:04
○ 2026-06-16 03:58:54

○A209.42.192.1282017-06-01 → 2017-06-01 · 4 obs

○ 2016-06-28 14:23:32
● 2017-06-01 06:36:22
○ 2026-02-15 18:45:18
○ 2026-06-16 03:58:54

○A2606:4700:3031::ac43:8e7d2026-02-16 → 2026-02-21 · 5 obs

○ 2026-02-15 18:45:18
● 2026-02-16 05:10:04
● 2026-02-21 15:53:58
○ 2026-04-11 16:56:24
○ 2026-06-16 03:58:54

○A2606:4700:3037::6815:5f0a2026-02-16 → 2026-02-21 · 5 obs

○ 2026-02-15 18:45:18
● 2026-02-16 05:10:04
● 2026-02-21 15:53:58
○ 2026-04-11 16:56:24
○ 2026-06-16 03:58:54

●A2a00:6d40:4:1::c291:332026-04-28 → 2026-06-16 · 3 obs

○ 2026-04-11 16:56:24
● 2026-04-28 20:03:04
● 2026-06-16 03:58:54

○A2a06:98c1:3120::2026-02-15 → 2026-02-15 · 4 obs

○ 2017-06-01 06:36:22
● 2026-02-15 18:45:18
○ 2026-02-16 05:10:04
○ 2026-06-16 03:58:54

○A2a06:98c1:3121::2026-02-15 → 2026-02-15 · 4 obs

○ 2017-06-01 06:36:22
● 2026-02-15 18:45:18
○ 2026-02-16 05:10:04
○ 2026-06-16 03:58:54

●A62.149.189.542026-04-28 → 2026-06-16 · 3 obs

○ 2026-04-11 16:56:24
● 2026-04-28 20:03:04
● 2026-06-16 03:58:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...	-
firstmaster.com	dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net	4 records

✅ Authoritative Response

Server:95.110.136.8

NS records: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstmaster.com (unsigned zone)

⏱️ Timing

Total: 1230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.149.189.54`
AAAA	1	`2a00:6d40:4:1::c291:33`
NS	4	`dns3.arubadns.net, dns.technorail.com...`
MX	1	`mx.firstmaster.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.aruba.it ~all`
SOA	1	`dns4.arubadns.cz hostmaster.firstmaster.`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.technorail.com, dns2.technorail.com, dns.technorail.com...)

Analysis

Hierarchy

firstmaster.com is the parent domain of mail.firstmaster.com and mx.firstmaster.com.

IP Addresses

firstmaster.com directs to two IP numbers, 62.149.189.54 and 2a00:6d40:4:1::c291:33

Additional host names — robertosasso.it, tesseratte.com, sgeb.it and two others — share IP numbers with firstmaster.com.

Name Servers

firstmaster.com has four authoritative name servers: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.

firstmaster.com has at least partial name server overlap with other domains, such as avvocatovalentinaremonato.eu, kteamsrl.it, hotelcamasawalsa.com and two others.

dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net all point to exactly two IP numbers each: dns2.technorail.com → 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com → 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz → 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net → 95.110.220.5 and 2a00:6d41:3:206e::f:1.

Mail Servers

firstmaster.com has one mail server: mx.firstmaster.com.

mx.firstmaster.com points to 7 IP numbers: 62.149.128.74, 62.149.128.151, 62.149.128.154 and 4 other.