cursoemvideo.com - robtex.com

cursoemvideo.com

DNSSEC⚠️ Not signed
A2001:19f0:5:39fb:5400:4ff:fe7c:e4cc🇺🇸 AS-VULTR2001:19f0::/38 Vultr Assigned Prefix
A2001:19f0:9002:1b90:5400:4ff:fe7c:e525🇺🇸 AS-VULTR2001:19f0:9000::/38 Vultr Assigned Prefix
A2604:a880:400:d0::1a3d:e001🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean
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
NSnsb1.k8.com.br ⭐
A2604:a880:1:20::23:a001🇺🇸 DIGITALOCEAN2604:a880:1::/48 DigitalOcean
A138.68.200.41🇺🇸 DIGITALOCEAN138.68.200.0/22 DigitalOcean
NSnsb2.k8.com.br
A2600:1f1e:f14:a800:5336:89de:e6f7:d668🇧🇷 Amazon2600:1f1e:c00::/38 AMAZON AWS
A177.71.249.106🇧🇷 Amazon177.71.224.0/19 EC2 GRU prefix
PTRec2-177-71-249-106.sa-east-1.compute.amazonaws.com
NSnsb3.k8.com.br
A2a03:b0c0:1:d0::fcd:3001🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean
A68.183.254.209🇬🇧 DIGITALOCEAN68.183.252.0/22 DigitalOcean
NSnsb4.k8.com.br
A2a05:d018:eef:900:396:630c:24b8:b3d1🇮🇪 Amazon2a05:d018:c00::/38 AMAZON AWS
A79.125.120.36🇮🇪 Amazon79.125.0.0/17 EU AWS Dublin
PTRec2-79-125-120-36.eu-west-1.compute.amazonaws.com
NSnsb5.k8.com.br
A2a03:b0c0:1:d0::fe4:4001🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean
A143.198.242.209🇬🇧 DIGITALOCEAN143.198.240.0/22 DigitalOcean
NSnsb6.k8.com.br
A2600:1f18:73e:d500:11bb:37da:a52f:bc15🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A184.73.232.169🇺🇸 Amazon184.73.0.0/16 IAD prefix
PTRec2-184-73-232-169.compute-1.amazonaws.com
MXsmtpuin1.f1.k8.com.br ⭐
A187.73.32.156🇧🇷 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.
PTRsmtpuin1.f1.k8.com.br
TXTv=spf1 a:mxu.f1.k8.com.br -all
SOAnsb1.k8.com.brdnsmasters@k8.com.br serial=1070

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=1777357106
rank #828413 globally
rank #372573 in the tld
WOT: SAFE (75/100)
📈 Tranco rank: #72,975

Subdomains

www.cursoemvideo.com

Same first word

cursoemvideo.com

DNS History

28 records (13 active, 15 former)

20162017201820192020202120222023202420252026NSnsb1.k8.com.brnsb2.k8.com.brnsb3.k8.com.brnsb4.k8.com.brnsb5.k8.com.brnsb6.k8.com.brMXsmtpuin1.f1.k8.com.brA104.156.247.183108.61.89.1362001:19f0:5:39fb:5400:4ff:fe7c:e4cc2001:19f0:9002:1b90:5400:4ff:fe7c:e5252604:a880:400:d0::1a3d:e00145.55.107.236157.245.135.117177.71.180.68187.73.33.90192.241.146.2202001:19f0:5:4157:5400:2ff:fe7f:2f982001:19f0:9002:145f:5400:2ff:fe7e:d25e2604:a880:400:d0::17a8:200145.32.160.21145.55.195.12445.77.76.13046.137.243.6054.228.191.9454.232.113.8154.241.33.22354.83.41.193
●NSnsb1.k8.com.br2015-07-23 → 2026-04-28 · 2 obs
● 2015-07-23 06:37:32
● 2026-04-28 06:48:32
●NSnsb2.k8.com.br2015-07-23 → 2026-04-28 · 2 obs
● 2015-07-23 06:37:32
● 2026-04-28 06:48:32
●NSnsb3.k8.com.br2015-07-23 → 2026-04-28 · 2 obs
● 2015-07-23 06:37:32
● 2026-04-28 06:48:32
●NSnsb4.k8.com.br2015-07-23 → 2026-04-28 · 2 obs
● 2015-07-23 06:37:32
● 2026-04-28 06:48:32
●NSnsb5.k8.com.br2015-07-23 → 2026-04-28 · 2 obs
● 2015-07-23 06:37:32
● 2026-04-28 06:48:32
●NSnsb6.k8.com.br2015-07-23 → 2026-04-28 · 2 obs
● 2015-07-23 06:37:32
● 2026-04-28 06:48:32
●MXsmtpuin1.f1.k8.com.br2015-07-23 → 2026-04-28 · 2 obs
● 2015-07-23 06:37:32
● 2026-04-28 06:48:32
●A104.156.247.1832026-03-31 → 2026-04-28 · 3 obs
○ 2021-10-19 18:14:08
● 2026-03-31 09:34:22
● 2026-04-28 06:48:32
●A108.61.89.1362026-03-31 → 2026-04-28 · 3 obs
○ 2021-10-19 18:14:08
● 2026-03-31 09:34:22
● 2026-04-28 06:48:32
○A157.245.135.1172021-05-12 → 2021-10-19 · 5 obs
○ 2019-12-18 22:47:42
● 2021-05-12 17:06:54
● 2021-10-19 18:14:08
○ 2026-03-31 09:34:22
○ 2026-04-28 06:48:32
○A177.71.180.682016-03-04 → 2017-08-15 · 5 obs
○ 2015-12-01 18:57:34
● 2016-03-04 06:24:22
● 2017-08-15 01:10:48
○ 2019-12-18 22:47:42
○ 2026-04-28 06:48:32
○A187.73.33.902015-07-23 → 2015-12-01 · 4 obs
● 2015-07-23 06:37:32
● 2015-12-01 18:57:34
○ 2016-03-04 06:24:22
○ 2026-04-28 06:48:32
○A192.241.146.2202019-12-18 → 2019-12-18 · 4 obs
○ 2017-08-15 01:10:48
● 2019-12-18 22:47:42
○ 2021-05-12 17:06:54
○ 2026-04-28 06:48:32
●A2001:19f0:5:39fb:5400:4ff:fe7c:e4cc2026-03-31 → 2026-04-28 · 3 obs
○ 2021-10-19 18:14:08
● 2026-03-31 09:34:22
● 2026-04-28 06:48:32
○A2001:19f0:5:4157:5400:2ff:fe7f:2f982021-05-12 → 2021-10-19 · 5 obs
○ 2019-12-18 22:47:42
● 2021-05-12 17:06:54
● 2021-10-19 18:14:08
○ 2026-03-31 09:34:22
○ 2026-04-28 06:48:32
○A2001:19f0:9002:145f:5400:2ff:fe7e:d25e2021-05-12 → 2021-10-19 · 5 obs
○ 2019-12-18 22:47:42
● 2021-05-12 17:06:54
● 2021-10-19 18:14:08
○ 2026-03-31 09:34:22
○ 2026-04-28 06:48:32
●A2001:19f0:9002:1b90:5400:4ff:fe7c:e5252026-03-31 → 2026-04-28 · 3 obs
○ 2021-10-19 18:14:08
● 2026-03-31 09:34:22
● 2026-04-28 06:48:32
○A2604:a880:400:d0::17a8:20012021-05-12 → 2021-10-19 · 5 obs
○ 2019-12-18 22:47:42
● 2021-05-12 17:06:54
● 2021-10-19 18:14:08
○ 2026-03-31 09:34:22
○ 2026-04-28 06:48:32
●A2604:a880:400:d0::1a3d:e0012026-03-31 → 2026-04-28 · 3 obs
○ 2021-10-19 18:14:08
● 2026-03-31 09:34:22
● 2026-04-28 06:48:32
○A45.32.160.2112021-05-12 → 2021-10-19 · 5 obs
○ 2019-12-18 22:47:42
● 2021-05-12 17:06:54
● 2021-10-19 18:14:08
○ 2026-03-31 09:34:22
○ 2026-04-28 06:48:32
●A45.55.107.2362026-03-31 → 2026-04-28 · 3 obs
○ 2021-10-19 18:14:08
● 2026-03-31 09:34:22
● 2026-04-28 06:48:32
○A45.55.195.1242019-12-18 → 2019-12-18 · 4 obs
○ 2017-08-15 01:10:48
● 2019-12-18 22:47:42
○ 2021-05-12 17:06:54
○ 2026-04-28 06:48:32
○A45.77.76.1302021-05-12 → 2021-10-19 · 5 obs
○ 2019-12-18 22:47:42
● 2021-05-12 17:06:54
● 2021-10-19 18:14:08
○ 2026-03-31 09:34:22
○ 2026-04-28 06:48:32
○A46.137.243.602016-03-04 → 2017-08-15 · 5 obs
○ 2015-12-01 18:57:34
● 2016-03-04 06:24:22
● 2017-08-15 01:10:48
○ 2019-12-18 22:47:42
○ 2026-04-28 06:48:32
○A54.228.191.942016-03-04 → 2017-08-15 · 5 obs
○ 2015-12-01 18:57:34
● 2016-03-04 06:24:22
● 2017-08-15 01:10:48
○ 2019-12-18 22:47:42
○ 2026-04-28 06:48:32
○A54.232.113.812016-03-04 → 2017-08-15 · 5 obs
○ 2015-12-01 18:57:34
● 2016-03-04 06:24:22
● 2017-08-15 01:10:48
○ 2019-12-18 22:47:42
○ 2026-04-28 06:48:32
○A54.241.33.2232016-03-04 → 2021-10-19 · 5 obs
○ 2015-12-01 18:57:34
● 2016-03-04 06:24:22
● 2021-10-19 18:14:08
○ 2026-03-31 09:34:22
○ 2026-04-28 06:48:32
○A54.83.41.1932016-03-04 → 2017-08-15 · 5 obs
○ 2015-12-01 18:57:34
● 2016-03-04 06:24:22
● 2017-08-15 01:10:48
○ 2019-12-18 22:47:42
○ 2026-04-28 06:48:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cursoemvideo.comnsb1.k8.com.br, nsb2.k8.com.br, nsb3.k8.com.br, nsb4.k8.com.br...-

✅ Authoritative Response

Server:138.68.200.41

NS records: nsb1.k8.com.br, nsb2.k8.com.br, nsb3.k8.com.br, nsb4.k8.com.br, nsb5.k8.com.br, nsb6.k8.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cursoemvideo.com (unsigned zone)

⏱️ Timing

Total: 840ms | Queries: -

📄 Records

TypeCountSample Data
A345.55.107.236, 104.156.247.183...
AAAA32001:19f0:5:39fb:5400:4ff:fe7c:e4cc, 2001:19f0:9002:1b90:5400:4ff:fe7c:e525...
NS6nsb1.k8.com.br, nsb2.k8.com.br...
MX1smtpuin1.f1.k8.com.br (pri: 10)
TXT1v=spf1 a:mxu.f1.k8.com.br -all
SOA1nsb1.k8.com.br dnsmasters.k8.com.br

Analysis

Hierarchy

cursoemvideo.com is the parent of www.cursoemvideo.com.

IP Addresses

Six IP numbers are pointed to by cursoemvideo.com: 2001:19f0:5:39fb:5400:4ff:fe7c:e4cc, 2001:19f0:9002:1b90:5400:4ff:fe7c:e525, 2604:a880:400:d0::1a3d:e001, 45.55.107.236, 104.156.247.183 and 108.61.89.136.

other host names for instance atabaque.biz, primvs.com.br, gruposacre.com.br, concresolo.com and preservrio.com.br share IP numbers with cursoemvideo.com.

Name Servers

cursoemvideo.com is delegated to six name servers: nsb1.k8.com.br, nsb2.k8.com.br, nsb3.k8.com.br, nsb4.k8.com.br, nsb5.k8.com.br and nsb6.k8.com.br.

cursoemvideo.com at least partially shares name servers with other domains, for instance biancodopeixe.com.br, ortlibas.net, drhammes.com.br, mayfran.com.br and realnautica.com.br.

These name servers are commonly used alongside the name servers nsb1.hostnet.com.br, nsb2.hostnet.com.br, nsb3.hostnet.com.br, nsb4.hostnet.com.br and nsb5.hostnet.com.br.

Host names with two IP numbers:

nsb1.k8.com.br points to 2604:a880:1:20::23:a001 and 138.68.200.41.

nsb2.k8.com.br points to 2600:1f1e:f14:a800:5336:89de:e6f7:d668 and 177.71.249.106.

nsb3.k8.com.br points to 2a03:b0c0:1:d0::fcd:3001 and 68.183.254.209.

nsb4.k8.com.br points to 2a05:d018:eef:900:396:630c:24b8:b3d1 and 79.125.120.36.

nsb5.k8.com.br points to 2a03:b0c0:1:d0::fe4:4001 and 143.198.242.209.

nsb6.k8.com.br points to 2600:1f18:73e:d500:11bb:37da:a52f:bc15 and 184.73.232.169.

Mail Servers

cursoemvideo.com is handled by a single mail server, smtpuin1.f1.k8.com.br.

cursoemvideo.com shares the same mail server setup as other domains, for instance triengeengenharia.com.br, vitoriamadeiras.com.br, alforjebags.com.br, biotec.vet.br and asflora.org.

cursoemvideo.com shares mail servers with other domains at least partially, including vitelliimoveis.com.br, abradee03.org, apcn.org.br, consultorweb.foz.br and retinaevitreo.com.br.

Host name smtpuin1.f1.k8.com.br points to IP address 187.73.32.156.