sergen.com.br - robtex.com

sergen.com.br

DNSSEC⚠️ Not signed
A45.55.107.236🇺🇸 DIGITALOCEAN45.55.104.0/22 DigitalOcean
A104.156.247.183🇺🇸 AS-VULTR104.156.240.0/21 Vultr Assigned Prefix
A108.61.89.136🇺🇸 AS-VULTR108.61.64.0/19 Vultr Assigned Prefix
NSnsa1.hostnet.com.br ⭐ ⚠️ Not in parent delegation
A2604:a880:400:d0::2371:2001🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean
A24.199.64.26🇺🇸 DIGITALOCEAN24.199.64.0/22 DigitalOcean
NSns1.hostnet.com.br ⚠️ Not in zone NS records
A2604:a880:400:d0::2371:2001🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean
A24.199.64.26🇺🇸 DIGITALOCEAN24.199.64.0/22 DigitalOcean
NSns2.hostnet.com.br ⚠️ Not in zone NS records
A2604:a880:400:d0::1a8f:e001🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean
A24.199.64.101🇺🇸 DIGITALOCEAN24.199.64.0/22 DigitalOcean
NSnsa2.hostnet.com.br ⚠️ Not in parent delegation
A2600:1f1e:f14:a800:fea2:3e55:175:8c9a🇧🇷 Amazon2600:1f1e:c00::/38 AMAZON AWS
A177.71.180.90🇧🇷 Amazon177.71.128.0/17 South America prefix
PTRec2-177-71-180-90.sa-east-1.compute.amazonaws.com
NSnsa3.hostnet.com.br ⚠️ Not in parent delegation
A2604:a880:400:d0::1a8f:e001🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean
A24.199.64.101🇺🇸 DIGITALOCEAN24.199.64.0/22 DigitalOcean
NSnsa4.hostnet.com.br ⚠️ Not in parent delegation
A2a05:d018:eef:900:733d:f263:b144:cf6a🇮🇪 Amazon2a05:d018:c00::/38 AMAZON AWS
A79.125.16.81🇮🇪 Amazon79.125.0.0/18 EU AWS Dublin
PTRec2-79-125-16-81.eu-west-1.compute.amazonaws.com
NSnsa5.hostnet.com.br ⚠️ Not in parent delegation
A2604:a880:1:20::5a:8001🇺🇸 DIGITALOCEAN2604:a880:1::/48 DigitalOcean
A45.55.108.139🇺🇸 DIGITALOCEAN45.55.108.0/22 DigitalOcean
NSnsa6.hostnet.com.br ⚠️ Not in parent delegation
A2600:1f18:73e:d500:821c:da38:5464:b4ee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A184.73.203.216🇺🇸 Amazon184.73.0.0/16 IAD prefix
PTRec2-184-73-203-216.compute-1.amazonaws.com
MXsmtpxin1.f1.k8.com.br ⭐
A187.73.32.168🇧🇷 Digirati187.73.32.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.
PTRsmtpxin1.f1.k8.com.br
TXTv=spf1 a:mxx.f1.k8.com.br -all
SOAnsa1.hostnet.com.brdnsmasters@k8.com.br serial=9

com.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026087128
rank #550596 globally
rank #4104 in the tld
WOT: SAFE (69/100)

Same first word

sergen.com.br

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DNS History

28 records (12 active, 16 former)

201020122014201620182020202220242026NSns1.hostnet.com.brns2.hostnet.com.brnsa1.hostnet.com.brnsa2.hostnet.com.brnsa3.hostnet.com.brnsa4.hostnet.com.brnsa5.hostnet.com.brnsa6.hostnet.com.brnsa1.k8.com.brnsa2.k8.com.brnsa3.k8.com.brnsa4.k8.com.brnsa5.k8.com.brnsa6.k8.com.brMXsmtpxin1.f1.k8.com.brsmtpcin1.f3.k8.com.brA104.156.247.183108.61.89.13645.55.107.236157.245.135.117187.73.33.214200.185.109.862001:19f0:5:4157:5400:2ff:fe7f:2f982001:19f0:9002:145f:5400:2ff:fe7e:d25e2604:a880:400:d0::17a8:200135.224.227.12645.32.160.21145.77.76.130
●NSns1.hostnet.com.br2009-01-10 → 2026-03-28 · 5 obs
● 2009-01-10 23:40:04
○ 2015-08-10 01:43:58
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
●NSns2.hostnet.com.br2009-01-10 → 2026-03-28 · 5 obs
● 2009-01-10 23:40:04
○ 2015-08-10 01:43:58
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
●NSnsa1.hostnet.com.br2026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○NSnsa1.k8.com.br2015-08-10 → 2020-02-12 · 5 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
●NSnsa2.hostnet.com.br2026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○NSnsa2.k8.com.br2015-08-10 → 2020-02-12 · 5 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
●NSnsa3.hostnet.com.br2026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○NSnsa3.k8.com.br2015-08-10 → 2020-02-12 · 5 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
●NSnsa4.hostnet.com.br2026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○NSnsa4.k8.com.br2015-08-10 → 2020-02-12 · 5 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
●NSnsa5.hostnet.com.br2026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○NSnsa5.k8.com.br2015-08-10 → 2020-02-12 · 5 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
●NSnsa6.hostnet.com.br2026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○NSnsa6.k8.com.br2015-08-10 → 2020-02-12 · 5 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
○MXsmtpcin1.f3.k8.com.br2009-01-10 → 2009-01-10 · 3 obs
● 2009-01-10 23:40:04
○ 2015-08-10 01:43:58
○ 2026-03-28 05:39:12
●MXsmtpxin1.f1.k8.com.br2015-08-10 → 2026-03-28 · 3 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2026-03-28 05:39:12
●A104.156.247.1832026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
●A108.61.89.1362026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○A157.245.135.1172020-02-12 → 2020-02-12 · 4 obs
○ 2016-11-27 19:56:20
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
○A187.73.33.2142015-08-10 → 2016-11-27 · 5 obs
○ 2009-01-10 23:40:04
● 2015-08-10 01:43:58
● 2016-11-27 19:56:20
○ 2020-02-12 02:17:52
○ 2026-03-28 05:39:12
○A200.185.109.862009-01-10 → 2009-01-10 · 3 obs
● 2009-01-10 23:40:04
○ 2015-08-10 01:43:58
○ 2026-03-28 05:39:12
○A2001:19f0:5:4157:5400:2ff:fe7f:2f982020-02-12 → 2020-02-12 · 4 obs
○ 2016-11-27 19:56:20
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
○A2001:19f0:9002:145f:5400:2ff:fe7e:d25e2020-02-12 → 2020-02-12 · 4 obs
○ 2016-11-27 19:56:20
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
○A2604:a880:400:d0::17a8:20012020-02-12 → 2020-02-12 · 4 obs
○ 2016-11-27 19:56:20
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
○A35.224.227.1262020-02-12 → 2020-02-12 · 4 obs
○ 2016-11-27 19:56:20
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
○A45.32.160.2112020-02-12 → 2020-02-12 · 4 obs
○ 2016-11-27 19:56:20
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12
●A45.55.107.2362026-03-27 → 2026-03-28 · 3 obs
○ 2020-02-12 02:17:52
● 2026-03-27 16:11:24
● 2026-03-28 05:39:12
○A45.77.76.1302020-02-12 → 2020-02-12 · 4 obs
○ 2016-11-27 19:56:20
● 2020-02-12 02:17:52
○ 2026-03-27 16:11:24
○ 2026-03-28 05:39:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brc.dns.br, d.dns.br, e.dns.br, f.dns.br...-
sergen.com.brns1.hostnet.com.br, ns2.hostnet.com.br-

✅ Authoritative Response

Server:24.199.64.101

NS records: ns1.hostnet.com.br, ns2.hostnet.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sergen.com.br (unsigned zone)

⏱️ Timing

Total: 1201ms | Queries: -

📄 Records

TypeCountSample Data
A345.55.107.236, 104.156.247.183...
NS6nsa1.hostnet.com.br, nsa2.hostnet.com.br...
MX1smtpxin1.f1.k8.com.br (pri: 10)
TXT1v=spf1 a:mxx.f1.k8.com.br -all
SOA1nsa1.hostnet.com.br dnsmasters.k8.com.br

Analysis

IP Addresses

sergen.com.br resolves to three IP numbers: 45.55.107.236, 104.156.247.183 and 108.61.89.136.

other host names include webkey.com.br, economistas.com.br, xtarquitetos.com.br, barsan.com.br and fcce.com.br; they share IP numbers with sergen.com.br.

Name Servers

sergen.com.br is delegated to eight name servers: ns1.hostnet.com.br, ns2.hostnet.com.br, nsa1.hostnet.com.br, nsa2.hostnet.com.br, nsa3.hostnet.com.br, nsa4.hostnet.com.br, nsa5.hostnet.com.br and nsa6.hostnet.com.br.

sergen.com.br at least partially shares name servers with other domains, for instance tobiasbaranybartolomei.com, racoesdugrao.com.br, hette.com.br, qgelo.com.br and viagensdenetinhaericardinho.com.

These name servers are commonly used with nsa1.k8.com.br, nsa2.k8.com.br, nsa3.k8.com.br, nsa4.k8.com.br, nsa5.k8.com.br and nsa6.k8.com.br.

Hostnames with two IPs:

ns1.hostnet.com.br points to: 2604:a880:400:d0::2371:2001 and 24.199.64.26.

ns2.hostnet.com.br points to: 2604:a880:400:d0::1a8f:e001 and 24.199.64.101.

nsa1.hostnet.com.br points to: 2604:a880:400:d0::2371:2001 and 24.199.64.26.

nsa2.hostnet.com.br points to: 2600:1f1e:f14:a800:fea2:3e55:175:8c9a and 177.71.180.90.

nsa3.hostnet.com.br points to: 2604:a880:400:d0::1a8f:e001 and 24.199.64.101.

nsa4.hostnet.com.br points to: 2a05:d018:eef:900:733d:f263:b144:cf6a and 79.125.16.81.

nsa5.hostnet.com.br points to: 2604:a880:1:20::5a:8001 and 45.55.108.139.

nsa6.hostnet.com.br points to: 2600:1f18:73e:d500:821c:da38:5464:b4ee and 184.73.203.216.

Hostnames that point to 2604:a880:400:d0::2371:2001: ns1.hostnet.com.br and nsa1.hostnet.com.br.

Hostnames that point to 24.199.64.26: ns1.hostnet.com.br and nsa1.hostnet.com.br.

Hostnames that point to 2604:a880:400:d0::1a8f:e001: ns2.hostnet.com.br and nsa3.hostnet.com.br.

Hostnames that point to 24.199.64.101: ns2.hostnet.com.br and nsa3.hostnet.com.br.

Mail Servers

sergen.com.br is handled by a single mail server, smtpxin1.f1.k8.com.br.

sergen.com.br uses the same mail server setup as other domains, for instance shopeletro.com, cadcolor.com.br, estrelabus.com.br, star5service.com.br and markosul.com.

sergen.com.br shares at least partially some mail servers with other domains, for instance swsistemas.com.br, bubbledeck.com.br, ieqfloressp.com.br, tamtec.net.br and concresolo.com.

The host name smtpxin1.f1.k8.com.br points to IP 187.73.32.168.