had4.com - robtex.com

had4.com

DNSSEC⚠️ Not signed
A187.103.149.101🇧🇷 AS53101-NET187.103.149.0/24 CLARO S.A. Customer
PTRwebserver01.sianet.com.br
NSns1.sianet.com.br ⭐ ⚠️ Not in parent delegation
A187.103.144.204🇧🇷 AS53101-NET187.103.144.0/24 CLARO S.A. Customer
PTRns1.sianet.com.br
NSns2.sianet.com.br ⚠️ Not in parent delegation
A187.103.146.204🇧🇷 AS53101-NET187.103.146.0/24 CLARO S.A. Customer
PTRns2.sianet.com.br
NSsians2.sianet.com.br ⚠️ Not in zone NS records
A187.103.146.204🇧🇷 AS53101-NET187.103.146.0/24 CLARO S.A. Customer
PTRns2.sianet.com.br
NSsians4.sianet.com.br ⚠️ Not in zone NS records
A187.103.144.204🇧🇷 AS53101-NET187.103.144.0/24 CLARO S.A. Customer
PTRns1.sianet.com.br
MXhad4.com ⭐
A187.103.149.101🇧🇷 AS53101-NET187.103.149.0/24 CLARO S.A. Customer
PTRwebserver01.sianet.com.br
TXTv=spf1 ip4:187.103.149.101 +a +mx ~all
SOAns1.sianet.com.brsuporte@sianet.com.br 2026-01-29 #0

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=1774584207

MX for

had4.com

Same first word

had4.com

Similar names

4dah.com
a4dh.com
a4hd.ru

DNS History

21 records (6 active, 15 former)

20162017201820192020202120222023202420252026NSns1.sianet.com.brns2.sianet.com.brsians2.sianet.com.brsians4.sianet.com.bra.dnspod.comb.dnspod.comc.dnspod.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comns01.cashparking.comMXhad4.commailstore1.secureserver.netp.nsm.ctmail.comsmtp.secureserver.netA187.103.149.101104.203.35.34184.168.221.9698.124.243.35
○NSa.dnspod.com2016-09-17 → 2016-09-17 · 4 obs
○ 2016-04-17 02:34:14
● 2016-09-17 09:12:40
○ 2026-02-15 11:20:04
○ 2026-03-27 04:05:48
○NSb.dnspod.com2016-09-17 → 2016-09-17 · 4 obs
○ 2016-04-17 02:34:14
● 2016-09-17 09:12:40
○ 2026-02-15 11:20:04
○ 2026-03-27 04:05:48
○NSc.dnspod.com2016-09-17 → 2016-09-17 · 4 obs
○ 2016-04-17 02:34:14
● 2016-09-17 09:12:40
○ 2026-02-15 11:20:04
○ 2026-03-27 04:05:48
○NSdns1.name-services.com2016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-20 07:32:12
● 2016-04-17 02:34:14
○ 2016-09-17 09:12:40
○ 2026-03-27 04:05:48
○NSdns2.name-services.com2016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-20 07:32:12
● 2016-04-17 02:34:14
○ 2016-09-17 09:12:40
○ 2026-03-27 04:05:48
○NSdns3.name-services.com2016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-20 07:32:12
● 2016-04-17 02:34:14
○ 2016-09-17 09:12:40
○ 2026-03-27 04:05:48
○NSdns4.name-services.com2016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-20 07:32:12
● 2016-04-17 02:34:14
○ 2016-09-17 09:12:40
○ 2026-03-27 04:05:48
○NSdns5.name-services.com2016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-20 07:32:12
● 2016-04-17 02:34:14
○ 2016-09-17 09:12:40
○ 2026-03-27 04:05:48
○NSns01.cashparking.com2015-06-15 → 2016-01-20 · 4 obs
● 2015-06-15 09:18:58
● 2016-01-20 07:32:12
○ 2016-04-17 02:34:14
○ 2026-03-27 04:05:48
●NSns1.sianet.com.br2026-02-15 → 2026-03-27 · 3 obs
○ 2016-09-17 09:12:40
● 2026-02-15 11:20:04
● 2026-03-27 04:05:48
●NSns2.sianet.com.br2026-02-15 → 2026-03-27 · 3 obs
○ 2016-09-17 09:12:40
● 2026-02-15 11:20:04
● 2026-03-27 04:05:48
●NSsians2.sianet.com.br2026-02-15 → 2026-03-27 · 3 obs
○ 2016-09-17 09:12:40
● 2026-02-15 11:20:04
● 2026-03-27 04:05:48
●NSsians4.sianet.com.br2026-02-15 → 2026-03-27 · 3 obs
○ 2016-09-17 09:12:40
● 2026-02-15 11:20:04
● 2026-03-27 04:05:48
●MXhad4.com2026-02-15 → 2026-03-27 · 3 obs
○ 2016-09-17 09:12:40
● 2026-02-15 11:20:04
● 2026-03-27 04:05:48
○MXmailstore1.secureserver.net2015-06-15 → 2016-01-20 · 4 obs
● 2015-06-15 09:18:58
● 2016-01-20 07:32:12
○ 2016-04-17 02:34:14
○ 2026-03-27 04:05:48
○MXp.nsm.ctmail.com2016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-20 07:32:12
● 2016-04-17 02:34:14
○ 2016-09-17 09:12:40
○ 2026-03-27 04:05:48
○MXsmtp.secureserver.net2015-06-15 → 2016-01-20 · 4 obs
● 2015-06-15 09:18:58
● 2016-01-20 07:32:12
○ 2016-04-17 02:34:14
○ 2026-03-27 04:05:48
○A104.203.35.342016-09-17 → 2017-06-16 · 5 obs
○ 2016-04-17 02:34:14
● 2016-09-17 09:12:40
● 2017-06-16 23:42:52
○ 2026-02-15 11:20:04
○ 2026-03-27 04:05:48
○A184.168.221.962015-06-15 → 2016-01-20 · 4 obs
● 2015-06-15 09:18:58
● 2016-01-20 07:32:12
○ 2016-04-17 02:34:14
○ 2026-03-27 04:05:48
●A187.103.149.1012026-02-15 → 2026-03-27 · 3 obs
○ 2017-06-16 23:42:52
● 2026-02-15 11:20:04
● 2026-03-27 04:05:48
○A98.124.243.352016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-20 07:32:12
● 2016-04-17 02:34:14
○ 2016-09-17 09:12:40
○ 2026-03-27 04:05:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...-
had4.comsians4.sianet.com.br, sians2.sianet.com.br-

✅ Authoritative Response

Server:187.103.144.204

NS records: sians4.sianet.com.br, sians2.sianet.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for had4.com (unsigned zone)

⏱️ Timing

Total: 866ms | Queries: -

📄 Records

TypeCountSample Data
A1187.103.149.101
NS2ns1.sianet.com.br, ns2.sianet.com.br
MX1had4.com (pri: 0)
TXT1v=spf1 ip4:187.103.149.101 +a +mx ~all
SOA1ns1.sianet.com.br suporte.sianet.com.br

Analysis

Mail Server Role

had4.com serves as the mail server for had4.com.

IP Addresses

had4.com points to a single IP number: 187.103.149.101.

Other host names, for example www.obaratec.com.br, webserver01.sianet.com.br, obaratec.com.br and salto.sp.gov.br share IP numbers with had4.com.

Name Servers

had4.com is delegated to four name servers: ns1.sianet.com.br, ns2.sianet.com.br, sians2.sianet.com.br and sians4.sianet.com.br.

had4.com shares name servers with other domains at least partially, for instance 156.103.187.in-addr.arpa, diaadiarevista.com.br, 144.103.187.in-addr.arpa, 149.103.187.in-addr.arpa and freesp.com.br.

these name servers are commonly used with the name servers ns1.156.103.187.in-addr.arpa, ns1.149.103.187.in-addr.arpa, ns.freesp.com.br, ns.grupomgcom.com.br, ns.facilguarulhos.com.br, ns.freesaopaulo.com.br, sians4.145.103.187.in-addr.arpa, ns1.obaratec.com.br, ns2.obaratec.com.br and sians2.salto.sp.gov.br.

Host names with a single IP number:

The host name ns1.sianet.com.br points to 187.103.144.204.

The host name ns2.sianet.com.br points to 187.103.146.204.

The host name sians2.sianet.com.br points to 187.103.146.204.

The host name sians4.sianet.com.br points to 187.103.144.204.

Host names pointing to 187.103.144.204: ns1.sianet.com.br and sians4.sianet.com.br.

Host names pointing to 187.103.146.204: ns2.sianet.com.br and sians2.sianet.com.br.

Mail Servers

A single mail server handles had4.com and had4.com.

Host name had4.com resolves to IP 187.103.149.101.