comprehensionengineering.com - dns.ninja

`comprehensionengineering.com`

DNSSEC	⚠️ Not signed
A	45.63.75.20^{🇺🇸 AS-VULTR45.63.64.0/20 Vultr Assigned Prefix}
		PTR	`comprehensionengineering.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`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com -all`
TXT	`google-site-verification=784mjfsHmOTgf_kTw7xQsmoVUgaLb503RLJQ8zgvHoE`
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=1783930452

PTR for

20.75.63.45.in-addr.arpa

Previously MX for

comprehensionengineering.com

Subdomains

ns1.comprehensionengineering.com

Same first word

comprehensionengineering.com

DNS History

9 records (4 active, 5 former)

○NSns1.comprehensionengineering.com2015-06-11 → 2017-04-03 · 4 obs

● 2015-06-11 12:11:58
● 2017-04-03 18:28:50
○ 2026-03-25 20:55:52
○ 2026-07-13 08:23:34

●NSns1.vultr.com2026-03-25 → 2026-07-13 · 3 obs

○ 2017-04-03 18:28:50
● 2026-03-25 20:55:52
● 2026-07-13 08:23:34

○NSns128.elinuxservers.com2015-06-11 → 2017-04-03 · 4 obs

● 2015-06-11 12:11:58
● 2017-04-03 18:28:50
○ 2026-03-25 20:55:52
○ 2026-07-13 08:23:34

○NSns129.elinuxservers.com2015-06-11 → 2017-04-03 · 4 obs

● 2015-06-11 12:11:58
● 2017-04-03 18:28:50
○ 2026-03-25 20:55:52
○ 2026-07-13 08:23:34

●NSns2.vultr.com2026-03-25 → 2026-07-13 · 3 obs

○ 2017-04-03 18:28:50
● 2026-03-25 20:55:52
● 2026-07-13 08:23:34

○MXcomprehensionengineering.com2015-06-11 → 2017-04-03 · 4 obs

● 2015-06-11 12:11:58
● 2017-04-03 18:28:50
○ 2026-03-25 20:55:52
○ 2026-07-13 08:23:34

●MXsmtp.google.com2026-03-25 → 2026-07-13 · 3 obs

○ 2017-04-03 18:28:50
● 2026-03-25 20:55:52
● 2026-07-13 08:23:34

●A45.63.75.202026-03-25 → 2026-07-13 · 3 obs

○ 2017-04-03 18:28:50
● 2026-03-25 20:55:52
● 2026-07-13 08:23:34

○A72.34.54.1302015-06-11 → 2017-04-03 · 4 obs

● 2015-06-11 12:11:58
● 2017-04-03 18:28:50
○ 2026-03-25 20:55:52
○ 2026-07-13 08:23:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
comprehensionengineering.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 comprehensionengineering.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.63.75.20`
NS	2	`ns2.vultr.com, ns1.vultr.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`v=spf1 include:_spf.google.com -all, google-site-verification=784mjfsHmOTgf_k`
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

Hierarchy

The domain ns1.comprehensionengineering.com falls under the parent comprehensionengineering.com.

IP Addresses

comprehensionengineering.com resolves to just one IP address, 45.63.75.20.

Name Servers

Two name servers handle the delegation for comprehensionengineering.com: ns1.vultr.com and ns2.vultr.com.

comprehensionengineering.com shares its NS records with other domains, for example smartbusinessoutsourcing.com, 149.28.48.143.vultrusercontent.com, sunshinecoast.city and two others.

At least some of comprehensionengineering.com's name servers are shared with other domains, for example josephmotors.com, znomics.com, cmbfast.org and two more.

It is common for these name servers to be used in conjunction with the name servers ns1.wpdns.host, ns2.wpdns.host and ns3.wpdns.host.

The hosts ns1.vultr.com and ns2.vultr.com both resolve to three IP numbers: ns1.vultr.com to 173.199.96.96, 2001:19f0:ccc::1 and 2001:19f0:ccd::1, and ns2.vultr.com to 173.199.96.97, 2001:19f0:ccc::2 and 2001:19f0:ccd::2.

Mail Servers

The sole mail server for comprehensionengineering.com is smtp.google.com.

Among the domains sharing a mail server setup with comprehensionengineering.com are schroderhealth.com.tr, nhmobiletirerepair.com, aetruckline.com and two others.

There is at least a partial MX overlap between comprehensionengineering.com and other domains, including sobczak.org, securem.be, efestra.com and two others.

With 9 IP addresses total, smtp.google.com resolves to 142.250.31.26, 142.250.31.27, 172.253.63.26 and 6 others.