recursiveengineoptimization.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`recursiveengineoptimization.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:b91d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4415^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.21^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.29^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aitana.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26de^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c2de^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:22de^{Cloudflare2a06:98c1:50::/45}
		A	108.162.194.222^{Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.222^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.222^{Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`pranab.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc7^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c3c7^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:23c7^{Cloudflare2a06:98c1:50::/45}
		A	108.162.195.199^{Cloudflare108.162.195.0/24}
		A	162.159.44.199^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.199^{Cloudflare172.64.35.0/24}
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁶⁵⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁸⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`boise-standard-verify=00000004`
TXT	`google-site-verification=EJ8bKcN8jAvDAVJpMlvv4w7oCzRlStnH2SRyYsEWLNE`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.68.21, 172.67.185.29
		IPv6 hints	2606:4700:3031::ac43:b91d, 2606:4700:3036::6815:4415
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com
SOA	`aitana.ns.cloudflare.com`dns@cloudflare.com serial=2418508024

`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=1793869666

Same first word

recursiveengineoptimization.com

DNS History

13 records (9 active, 4 former)

●NSaitana.ns.cloudflare.com2026-09-05 → 2026-11-05 · 2 obs

● 2026-09-05 13:30:32
● 2026-11-05 09:41:14

●NSpranab.ns.cloudflare.com2026-09-05 → 2026-11-05 · 2 obs

● 2026-09-05 13:30:32
● 2026-11-05 09:41:14

●MXroute1.mx.cloudflare.net2026-09-05 → 2026-11-05 · 2 obs

● 2026-09-05 13:30:32
● 2026-11-05 09:41:14

●MXroute2.mx.cloudflare.net2026-09-05 → 2026-11-05 · 2 obs

● 2026-09-05 13:30:32
● 2026-11-05 09:41:14

●MXroute3.mx.cloudflare.net2026-09-05 → 2026-11-05 · 2 obs

● 2026-09-05 13:30:32
● 2026-11-05 09:41:14

●A104.21.68.212026-10-30 → 2026-11-05 · 3 obs

○ 2026-09-05 13:30:32
● 2026-10-30 04:59:22
● 2026-11-05 09:41:14

●A172.67.185.292026-10-30 → 2026-11-05 · 3 obs

○ 2026-09-05 13:30:32
● 2026-10-30 04:59:22
● 2026-11-05 09:41:14

○A188.114.96.02026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 13:30:32
○ 2026-10-30 04:59:22
○ 2026-11-05 09:41:14

○A188.114.97.02026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 13:30:32
○ 2026-10-30 04:59:22
○ 2026-11-05 09:41:14

●A2606:4700:3031::ac43:b91d2026-10-30 → 2026-11-05 · 3 obs

○ 2026-09-05 13:30:32
● 2026-10-30 04:59:22
● 2026-11-05 09:41:14

●A2606:4700:3036::6815:44152026-10-30 → 2026-11-05 · 3 obs

○ 2026-09-05 13:30:32
● 2026-10-30 04:59:22
● 2026-11-05 09:41:14

○A2a06:98c1:3120::2026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 13:30:32
○ 2026-10-30 04:59:22
○ 2026-11-05 09:41:14

○A2a06:98c1:3121::2026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 13:30:32
○ 2026-10-30 04:59:22
○ 2026-11-05 09:41:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
recursiveengineoptimization.com	aitana.ns.cloudflare.com, pranab.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.199

NS records: aitana.ns.cloudflare.com, pranab.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.185.29, 104.21.68.21`
AAAA	2	`2606:4700:3036::6815:4415, 2606:4700:3031::ac43:b91d`
NS	2	`aitana.ns.cloudflare.com, pranab.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 13), route1.mx.cloudflare.net (pri: 65)...`
TXT	3	`boise-standard-verify=00000004, google-site-verification=EJ8bKcN8jAvDAVJ...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aitana.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (aitana.ns.cloudflare.com, aitana.ns.cloudflare.com, aitana.ns.cloudflare.com...)

Analysis

IP Addresses

recursiveengineoptimization.com points to the four IP addresses 104.21.68.21, 172.67.185.29, 2606:4700:3031::ac43:b91d and 2606:4700:3036::6815:4415.

Name Servers

recursiveengineoptimization.com is served by two delegated name servers, aitana.ns.cloudflare.com and pranab.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

aitana.ns.cloudflare.com carries IP addresses 108.162.194.222, 162.159.38.222 and 172.64.34.222, with 3 other addresses beyond those.

pranab.ns.cloudflare.com carries IP addresses 108.162.195.199, 162.159.44.199 and 172.64.35.199, with 3 other addresses beyond those.

Mail Servers

Incoming mail for recursiveengineoptimization.com is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.