`checkopenport.com`

DNSSEC	⚠️ Not signed
A	45.76.141.240^{🇬🇧 AS-VULTR45.76.128.0/20 Vultr Assigned Prefix}
		PTR	`45.76.141.240.vultrusercontent.com`
NS	`ns1.vultr.com` ⭐
		A	2001:19f0:ccc::1^{🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1}
		A	2001:19f0:ccd::1^{🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix}
			PTR	`ns1.vultr.com`
		A	173.199.96.96^{🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix}
			PTR	`ns1.vultrusercontent.com`
NS	`ns2.vultr.com`
		A	2001:19f0:ccc::2^{🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1}
		A	2001:19f0:ccd::2^{🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix}
			PTR	`ns2.vultr.com`
		A	173.199.96.97^{🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix}
			PTR	`ns2.vultrusercontent.com`
SOA	`ns1.vultr.com`dnsadm@choopa.com serial=0

`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=1774363897

Same first word

checkopenport.com

DNS History

12 records (3 active, 9 former)

○NS208.91.197.912019-03-21 → 2019-03-21 · 4 obs

○ 2017-02-12 04:30:34
● 2019-03-21 11:10:38
○ 2026-02-24 06:27:14
○ 2026-03-24 14:53:10

○NSdns1.namecheaphosting.com2015-11-15 → 2017-02-12 · 4 obs

● 2015-11-15 16:09:40
● 2017-02-12 04:30:34
○ 2019-03-21 11:10:38
○ 2026-03-24 14:53:10

○NSdns2.namecheaphosting.com2015-11-15 → 2017-02-12 · 4 obs

● 2015-11-15 16:09:40
● 2017-02-12 04:30:34
○ 2019-03-21 11:10:38
○ 2026-03-24 14:53:10

●NSns1.vultr.com2026-02-24 → 2026-03-24 · 3 obs

○ 2019-03-21 11:10:38
● 2026-02-24 06:27:14
● 2026-03-24 14:53:10

●NSns2.vultr.com2026-02-24 → 2026-03-24 · 3 obs

○ 2019-03-21 11:10:38
● 2026-02-24 06:27:14
● 2026-03-24 14:53:10

○MXsmx1.web-hosting.com2015-11-15 → 2017-02-12 · 4 obs

● 2015-11-15 16:09:40
● 2017-02-12 04:30:34
○ 2019-03-21 11:10:38
○ 2026-03-24 14:53:10

○MXsmx2.web-hosting.com2015-11-15 → 2017-02-12 · 4 obs

● 2015-11-15 16:09:40
● 2017-02-12 04:30:34
○ 2019-03-21 11:10:38
○ 2026-03-24 14:53:10

○MXsmx3.web-hosting.com2015-11-15 → 2017-02-12 · 4 obs

● 2015-11-15 16:09:40
● 2017-02-12 04:30:34
○ 2019-03-21 11:10:38
○ 2026-03-24 14:53:10

○MXsmx4.web-hosting.com2015-11-15 → 2017-02-12 · 4 obs

● 2015-11-15 16:09:40
● 2017-02-12 04:30:34
○ 2019-03-21 11:10:38
○ 2026-03-24 14:53:10

○A162.213.255.482015-11-15 → 2017-02-12 · 4 obs

● 2015-11-15 16:09:40
● 2017-02-12 04:30:34
○ 2019-03-21 11:10:38
○ 2026-03-24 14:53:10

○A208.91.197.912019-03-21 → 2019-03-21 · 4 obs

○ 2017-02-12 04:30:34
● 2019-03-21 11:10:38
○ 2026-02-24 06:27:14
○ 2026-03-24 14:53:10

●A45.76.141.2402026-02-24 → 2026-03-24 · 3 obs

○ 2019-03-21 11:10:38
● 2026-02-24 06:27:14
● 2026-03-24 14:53:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
checkopenport.com	ns1.vultr.com, ns2.vultr.com	4 records

✅ Authoritative Response

Server:173.199.96.96

NS records: ns1.vultr.com, ns2.vultr.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkopenport.com (unsigned zone)

⏱️ Timing

Total: 96ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.76.141.240`
NS	2	`ns2.vultr.com, ns1.vultr.com`
SOA	1	`ns1.vultr.com dnsadm.choopa.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.vultr.com, ns1.vultr.com, ns2.vultr.com...)

Analysis

IP Addresses

checkopenport.com resolves to one IP number: 45.76.141.240.

Name Servers

checkopenport.com is delegated to two name servers ns1.vultr.com and ns2.vultr.com.

checkopenport.com shares the same name server setup as other domains, for instance antespacio.com, joba.cc, dns.fail, careerbrochure.com and searchcodeserver.com.

checkopenport.com at least partially shares name servers with other domains, for instance basaid.org, phatic.co.za, kitchentopshop.com, honka.me and firstchoicehi.com.

These name servers are commonly used with ns1.wpdns.host, ns2.wpdns.host and ns3.wpdns.host.

Host names with three IPs:

ns1.vultr.com points to 2001:19f0:ccc::1, 2001:19f0:ccd::1 and 173.199.96.96.

ns2.vultr.com points to 2001:19f0:ccc::2, 2001:19f0:ccd::2 and 173.199.96.97.

checkopenport.com - robtex.com