`classicengineer.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:429b^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a17f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.155^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.127^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melnicoff.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melnicoff.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melnicoff.ns.cloudflare.com`
		A	108.162.195.174^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	162.159.44.174^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	172.64.35.174^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
NS	`paris.ns.cloudflare.com`
		A	2606:4700:50::a29f:2671^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c271^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2271^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paris.ns.cloudflare.com`
		A	108.162.194.113^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paris.ns.cloudflare.com`
		A	162.159.38.113^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paris.ns.cloudflare.com`
		A	172.64.34.113^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paris.ns.cloudflare.com`
MX	`mail2.mystoredns.com` ⭐
		A	45.77.170.42^{🇸🇬 AS-VULTR45.77.168.0/21 Vultr Assigned Prefix}
			PTR	`45.77.170.42.vultrusercontent.com`
MX	`mail.mystoredns.com`⁽²⁰⁾
		A	154.3.236.254^{🇺🇸 ENDOFFICE-PHX154.3.236.0/24 Proxy-registered route object}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.155, 172.67.161.127
		IPv6 hints	2606:4700:3034::6815:429b, 2606:4700:3037::ac43:a17f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOA	`melnicoff.ns.cloudflare.com`dns@cloudflare.com serial=2406697804

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759718344

Same first word

classicengineer.co

DNS History

10 records (8 active, 2 former)

●NSmelnicoff.ns.cloudflare.com2026-04-10 → 2026-07-28 · 2 obs

● 2026-04-10 22:23:32
● 2026-07-28 10:01:04

●NSparis.ns.cloudflare.com2026-04-10 → 2026-07-28 · 2 obs

● 2026-04-10 22:23:32
● 2026-07-28 10:01:04

●MXmail.mystoredns.com2026-04-10 → 2026-07-28 · 5 obs

● 2026-04-10 22:23:32
● 2026-05-18 22:27:08
○ 2026-06-09 06:13:12
● 2026-06-30 13:12:54
● 2026-07-28 10:01:04

●MXmail2.mystoredns.com2026-04-10 → 2026-07-28 · 5 obs

● 2026-04-10 22:23:32
● 2026-05-18 22:27:08
○ 2026-06-09 06:13:12
● 2026-06-30 13:12:54
● 2026-07-28 10:01:04

●A104.21.66.1552026-04-10 → 2026-07-28 · 5 obs

● 2026-04-10 22:23:32
● 2026-05-18 22:27:08
○ 2026-06-09 06:13:12
● 2026-06-30 13:12:54
● 2026-07-28 10:01:04

●A172.67.161.1272026-04-10 → 2026-07-28 · 5 obs

● 2026-04-10 22:23:32
● 2026-05-18 22:27:08
○ 2026-06-09 06:13:12
● 2026-06-30 13:12:54
● 2026-07-28 10:01:04

○A2606:4700:3032::6815:429b2026-04-10 → 2026-06-30 · 6 obs

● 2026-04-10 22:23:32
● 2026-05-18 22:27:08
○ 2026-06-09 06:13:12
● 2026-06-30 13:12:54
○ 2026-07-10 18:32:06
○ 2026-07-28 10:01:04

○A2606:4700:3032::ac43:a17f2026-04-10 → 2026-06-30 · 6 obs

● 2026-04-10 22:23:32
● 2026-05-18 22:27:08
○ 2026-06-09 06:13:12
● 2026-06-30 13:12:54
○ 2026-07-10 18:32:06
○ 2026-07-28 10:01:04

●A2606:4700:3034::6815:429b2026-07-10 → 2026-07-28 · 3 obs

○ 2026-06-30 13:12:54
● 2026-07-10 18:32:06
● 2026-07-28 10:01:04

●A2606:4700:3037::ac43:a17f2026-07-10 → 2026-07-28 · 3 obs

○ 2026-06-30 13:12:54
● 2026-07-10 18:32:06
● 2026-07-28 10:01:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
classicengineer.co	melnicoff.ns.cloudflare.com, paris.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.113

NS records: melnicoff.ns.cloudflare.com, paris.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classicengineer.co (unsigned zone)

⏱️ Timing

Total: 2378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.155, 172.67.161.127`
AAAA	2	`2606:4700:3037::ac43:a17f, 2606:4700:3034::6815:429b`
NS	2	`melnicoff.ns.cloudflare.com, paris.ns.cloudflare.com`
MX	2	`mail.mystoredns.com (pri: 10), mail2.mystoredns.com (pri: 20)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melnicoff.ns.cloudflare.com dns.cloudfla`

Analysis

IP Addresses

classicengineer.co directs to four IP numbers, which are 104.21.66.155, 172.67.161.127, 2606:4700:3034::6815:429b and 2606:4700:3037::ac43:a17f.

Among the host names that share IP numbers with classicengineer.co are equipmentally.com, dc-cce2be3c.baishai.com, bigheartstinyspaces.com and two others.

Name Servers

Two name servers handle the delegation for classicengineer.co: melnicoff.ns.cloudflare.com and paris.ns.cloudflare.com.

classicengineer.co has the same name server delegation as a number of other domains, such as brackish.io, virtedge.com, qq888886.net and two more.

The name servers of classicengineer.co overlap at least partially with those of other domains — among them bestsonvs.click, tobrut99.id, casinozforum.biz and two more.

These name servers commonly appear in combination with the name servers kipp.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

melnicoff.ns.cloudflare.com resolves to 108.162.195.174, 162.159.44.174 and 172.64.35.174 among others, with 3 other IP addresses in total.

paris.ns.cloudflare.com resolves to 108.162.194.113, 162.159.38.113 and 172.64.34.113 among others, with 3 other IP addresses in total.

Mail Servers

The MX records for classicengineer.co point to two mail servers: mail2.mystoredns.com and mail.mystoredns.com.

classicengineer.co has the same mail server arrangement as a number of other domains, for example proudbirthday.com, lionteeprint.co.uk, rootsinked.com and two more.

classicengineer.co shares at least some of its mail servers with other domains — for example marshawnkneeland.shop, senprints.net, best-shirts.com and two more.

The mail servers mx2.zoho.com, mx3.zoho.com and mx.zoho.com are commonly used alongside these mail servers.

Both mail2.mystoredns.com and mail.mystoredns.com have a single IP address each — mail2.mystoredns.com resolves to 45.77.170.42 while mail.mystoredns.com resolves to 154.3.236.254.

classicengineer.co - robtex.com