mail.sharpblocks.net - dns.ninja

`mail.sharpblocks.net`

DNSSEC	⚠️ Not signed
A	81.84.241.194^{🇵🇹 NOS_COMUNICACOES81.84.192.0/18 NOS COMUNICACOES S.A.}
		PTR	`mail.preditecnica.com`

`sharpblocks.net`

	DNSSEC	⚠️ Not signed
	A	81.84.241.194^{🇵🇹 NOS_COMUNICACOES81.84.192.0/18 NOS COMUNICACOES S.A.}
	NS	`dns1.bigrock.com` ⭐
	NS	`dns2.bigrock.com`
	NS	`dns3.bigrock.com`
	NS	`dns4.bigrock.com`
	MX	`mail.sharpblocks.net` ⭐
	TXT	`v=spf1 +mx +a:a81-84-241-194.static.cpe.netcabo.pt +a:smtpa.netcabo.pt +a:mai...`
	SOA	`dns1.bigrock.com`paal@sapo.pt 2024-10-16 #2

MX for

sharpblocks.net

Same first word

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DNS History

3 records (1 active, 2 former)

○A80.251.168.262016-02-24 → 2016-07-02 · 5 obs

○ 2015-11-23 05:36:58
● 2016-02-24 16:32:56
● 2016-07-02 07:20:46
○ 2026-02-17 19:57:24
○ 2026-07-28 08:27:44

●A81.84.241.1942026-02-17 → 2026-07-28 · 3 obs

○ 2016-07-02 07:20:46
● 2026-02-17 19:57:24
● 2026-07-28 08:27:44

○A81.84.243.452015-07-10 → 2015-11-23 · 4 obs

● 2015-07-10 13:10:00
● 2015-11-23 05:36:58
○ 2016-02-24 16:32:56
○ 2026-07-28 08:27:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
sharpblocks.net	dns1.bigrock.com, dns2.bigrock.com, dns3.bigrock.com, dns4.bigrock.com	-

✅ Authoritative Response

Server:162.251.82.253

NS records: dns1.bigrock.com, dns2.bigrock.com, dns3.bigrock.com, dns4.bigrock.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sharpblocks.net (unsigned zone)

⏱️ Timing

Total: 502ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.84.241.194`

Analysis

Mail Server Role

sharpblocks.net uses mail.sharpblocks.net as a mail server.

IP Addresses

mail.sharpblocks.net resolves to one IP address: 81.84.241.194.

preditecnica.com, 4movel.com, mail.preditecnica.com and two other host names share IP numbers with mail.sharpblocks.net.