`serv-tec.com`

DNSSEC	⚠️ Not signed
A	191.252.4.11^{🇧🇷 Locaweb191.252.4.0/22 Servicos de Internet SA}
		PTR	`orion02.locaweb.com.br`
NS	`ns1.locaweb.com.br` ⭐
		A	2804:218:7000:0:186:202:8:254^{🇧🇷 Locaweb2804:218:7000::/48}
		A	186.202.8.254^{🇧🇷 Locaweb186.202.8.0/24 Servicos de Internet SA}
NS	`ns2.locaweb.com.br`
		A	2804:218:7001:0:187:45:248:254^{🇧🇷 Locaweb2804:218:7001::/48}
		A	187.45.248.254^{🇧🇷 Locaweb187.45.248.0/24 Servicos de Internet SA}
NS	`ns3.locaweb.com.br`
		A	2804:218:7002:0:189:126:101:254^{🇧🇷 Locaweb2804:218:7002::/48}
		A	189.126.101.254^{🇧🇷 Locaweb189.126.101.0/24 Servicos de Internet SA}
MX	`mx.spamexperts.com` ⭐
		A	2001:978:2:2c::137:100^{🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
		A	154.59.104.23^{🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
MX	`lastmx.spamexperts.net`⁽²⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	2001:978:2:7::162:100^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	2001:978:2:2c::137:100^{🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
		A	149.13.75.27^{🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	154.59.104.23^{🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
MX	`fallbackmx.spamexperts.eu`⁽³⁰⁾
		A	2001:978:2:6::f:124^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe3-r3-in.du01.l.antispamcloud.com`
		A	2001:978:2:7::162:100^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	2001:978:2:2c::137:100^{🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
		A	149.13.75.27^{🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	154.59.104.23^{🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
		A	154.59.193.124^{🇩🇪 AS16633154.59.193.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe3-r3-in.du01.l.antispamcloud.com`
MX	`mx.a.locaweb.com.br`⁽⁴⁰⁾
		A	186.202.4.42^{🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA}
			PTR	`mx.a.locaweb.com.br`
MX	`mx.b.locaweb.com.br`⁽⁵⁰⁾
		A	177.153.23.242^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.b.locaweb.com.br`
MX	`mx.jk.locaweb.com.br`⁽⁶⁰⁾
		A	200.234.204.130^{🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA}
			PTR	`mx.jk.locaweb.com.br`
TXT	`v=spf1 include:_spf.locaweb.com.br ?all`
SOA	`ns1.locaweb.com.br`hostmaster@locaweb.com.br 2022-03-10 #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=1783216171

WOT: UNKNOWN (15/100)

Subdomains

mail.serv-tec.com

pop.serv-tec.com

Same first word

serv-tec.de

serv-tec.com

Similar names

v-secret.com

tec-serv.de

tec-serv.com

ev-certs.de

ecs-tver.ru

secret-v.com

DNS History

19 records (10 active, 9 former)

○NSns.serv-tec.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-05-30 07:02:02
● 2017-02-08 01:42:56
○ 2026-03-31 21:05:18
○ 2026-07-05 02:05:56

○NSns1.dominios.uol.com.br2015-07-02 → 2016-05-30 · 4 obs

● 2015-07-02 23:52:14
● 2016-05-30 07:02:02
○ 2017-02-08 01:42:56
○ 2026-07-05 02:05:56

●NSns1.locaweb.com.br2026-03-31 → 2026-07-05 · 3 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-07-05 02:05:56

○NSns2.dominios.uol.com.br2015-07-02 → 2016-05-30 · 4 obs

● 2015-07-02 23:52:14
● 2016-05-30 07:02:02
○ 2017-02-08 01:42:56
○ 2026-07-05 02:05:56

●NSns2.locaweb.com.br2026-03-31 → 2026-07-05 · 3 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-07-05 02:05:56

○NSns3.dominios.uol.com.br2015-07-02 → 2016-05-30 · 4 obs

● 2015-07-02 23:52:14
● 2016-05-30 07:02:02
○ 2017-02-08 01:42:56
○ 2026-07-05 02:05:56

●NSns3.locaweb.com.br2026-03-31 → 2026-07-05 · 3 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-07-05 02:05:56

●MXfallbackmx.spamexperts.eu2026-03-31 → 2026-07-05 · 6 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-05-24 09:02:22
○ 2026-05-24 22:21:18
● 2026-05-25 10:15:22
● 2026-07-05 02:05:56

●MXlastmx.spamexperts.net2026-03-31 → 2026-07-05 · 6 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-05-24 09:02:22
○ 2026-05-24 22:21:18
● 2026-05-25 10:15:22
● 2026-07-05 02:05:56

○MXmail.serv-tec.com2017-02-08 → 2017-02-08 · 4 obs

○ 2015-07-02 23:52:14
● 2017-02-08 01:42:56
○ 2026-03-31 21:05:18
○ 2026-07-05 02:05:56

●MXmx.a.locaweb.com.br2026-03-31 → 2026-07-05 · 6 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-05-24 09:02:22
○ 2026-05-24 22:21:18
● 2026-05-25 10:15:22
● 2026-07-05 02:05:56

●MXmx.b.locaweb.com.br2026-03-31 → 2026-07-05 · 6 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-05-24 09:02:22
○ 2026-05-24 22:21:18
● 2026-05-25 10:15:22
● 2026-07-05 02:05:56

●MXmx.jk.locaweb.com.br2026-03-31 → 2026-07-05 · 6 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-05-24 09:02:22
○ 2026-05-24 22:21:18
● 2026-05-25 10:15:22
● 2026-07-05 02:05:56

●MXmx.spamexperts.com2026-03-31 → 2026-07-05 · 6 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-05-24 09:02:22
○ 2026-05-24 22:21:18
● 2026-05-25 10:15:22
● 2026-07-05 02:05:56

○MXmx.uhserver.com2015-07-02 → 2017-02-08 · 4 obs

● 2015-07-02 23:52:14
● 2017-02-08 01:42:56
○ 2026-03-31 21:05:18
○ 2026-07-05 02:05:56

○A177.153.18.1892015-07-02 → 2015-07-02 · 3 obs

● 2015-07-02 23:52:14
○ 2015-11-23 20:15:08
○ 2026-07-05 02:05:56

●A191.252.4.112026-03-31 → 2026-07-05 · 6 obs

○ 2017-02-08 01:42:56
● 2026-03-31 21:05:18
● 2026-05-24 09:02:22
○ 2026-05-24 22:21:18
● 2026-05-25 10:15:22
● 2026-07-05 02:05:56

○A192.95.43.2122017-02-08 → 2017-02-08 · 4 obs

○ 2016-05-30 07:02:02
● 2017-02-08 01:42:56
○ 2026-03-31 21:05:18
○ 2026-07-05 02:05:56

○A201.131.146.472015-11-23 → 2016-05-30 · 5 obs

○ 2015-07-02 23:52:14
● 2015-11-23 20:15:08
● 2016-05-30 07:02:02
○ 2017-02-08 01:42:56
○ 2026-07-05 02:05:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
serv-tec.com	ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br	-

✅ Authoritative Response

Server:189.126.101.254

NS records: ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serv-tec.com (unsigned zone)

⏱️ Timing

Total: 1019ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.252.4.11`
NS	3	`ns1.locaweb.com.br, ns2.locaweb.com.br...`
MX	6	`fallbackmx.spamexperts.eu (pri: 30), mx.b.locaweb.com.br (pri: 50)...`
TXT	1	`v=spf1 include:_spf.locaweb.com.br ?all`
SOA	1	`ns1.locaweb.com.br hostmaster.locaweb.co`

Analysis

Hierarchy

mail.serv-tec.com and pop.serv-tec.com are both subdomains of serv-tec.com.

IP Addresses

serv-tec.com resolves to one IP address: 191.252.4.11.

bluecoop.com.br, sgce.com.br, kentisa.com.br and two other host names share IP numbers with serv-tec.com.

Name Servers

serv-tec.com has three name servers — ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

The name servers of serv-tec.com overlap at least partially with those of other domains — among them grupodifusao.com, progases.com.br, macario.com.br and two more.

Each of ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br points to two IP numbers. ns1.locaweb.com.br points to 186.202.8.254 and 2804:218:7000:0:186:202:8:254. ns2.locaweb.com.br points to 187.45.248.254 and 2804:218:7001:0:187:45:248:254. ns3.locaweb.com.br points to 189.126.101.254 and 2804:218:7002:0:189:126:101:254.

Mail Servers

serv-tec.com has 6 mail servers — mx.spamexperts.com, fallbackmx.spamexperts.eu, lastmx.spamexperts.net plus 3 other.

serv-tec.com has at least partial mail server overlap with other domains such as raimaxfibra.com.br, keepingthepast.com, general-insurance.gr and two more.

The mail servers mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.jk.locaweb.com.br and mx.core.locaweb.com.br are commonly seen alongside these mail servers.

Hostnames that resolve to 8 IP addresses:

lastmx.spamexperts.net points to 38.71.16.244, 38.89.254.156, 149.13.75.27 and 5 other IP addresses.

Hostnames that resolve to 6 IP addresses:

fallbackmx.spamexperts.eu points to 149.13.75.27, 154.59.104.23, 154.59.193.124 and 3 other IP addresses.

Hostnames that resolve to two IP addresses:

mx.spamexperts.com resolves to 154.59.104.23 and 2001:978:2:2c::137:100.

Hosts with just one IP address:

mx.a.locaweb.com.br resolves to 186.202.4.42.

mx.b.locaweb.com.br resolves to 177.153.23.242.

mx.jk.locaweb.com.br resolves to 200.234.204.130.

The host names lastmx.spamexperts.net and fallbackmx.spamexperts.eu both resolve to 2001:978:2:7::162:100 IP addresses.