recursive.co - dns.ninja

`recursive.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:f12^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a106^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.18^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.6^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clint.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
NS	`reza.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`reza.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`reza.ns.cloudflare.com`
		A	108.162.192.217^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	172.64.32.217^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	173.245.58.217^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.18, 172.67.161.6
		IPv6 hints	2606:4700:3033::6815:f12, 2606:4700:3034::ac43:a106
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOA	`clint.ns.cloudflare.com`dns@cloudflare.com serial=2407601099

`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=1759709086

Same first word

recursive.ie

recursive.eu

recursive.co.jp

recursive.be

recursive.nl

recursive.cc

recursive.com.au

recursive.com

recursive.house

recursive.me

recursive.cn

recursive.io

recursive.net

recursive.co

recursive.fr

recursive.dev

recursive.ru

recursive.pro

recursive.games

recursive.ch

recursive.at

recursive.design

recursive.systems

recursive.ca

recursive.de

recursive.net.nz

recursive.biz

recursive.codes

recursive.digital

recursive.org

Similar names

DNS History

24 records (10 active, 14 former)

●NSclint.ns.cloudflare.com2026-03-11 → 2026-07-18 · 3 obs

○ 2018-10-02 03:35:40
● 2026-03-11 14:37:54
● 2026-07-18 13:41:08

○NSdns1.registrar-servers.com2018-10-02 → 2018-10-02 · 4 obs

○ 2017-02-15 17:23:32
● 2018-10-02 03:35:40
○ 2026-03-11 14:37:54
○ 2026-07-18 13:41:08

○NSdns2.registrar-servers.com2018-10-02 → 2018-10-02 · 4 obs

○ 2017-02-15 17:23:32
● 2018-10-02 03:35:40
○ 2026-03-11 14:37:54
○ 2026-07-18 13:41:08

○NSns15.domaincontrol.com2015-07-05 → 2017-02-15 · 4 obs

● 2015-07-05 06:06:54
● 2017-02-15 17:23:32
○ 2018-10-02 03:35:40
○ 2026-07-18 13:41:08

○NSns16.domaincontrol.com2015-07-05 → 2017-02-15 · 4 obs

● 2015-07-05 06:06:54
● 2017-02-15 17:23:32
○ 2018-10-02 03:35:40
○ 2026-07-18 13:41:08

●NSreza.ns.cloudflare.com2026-03-11 → 2026-07-18 · 3 obs

○ 2018-10-02 03:35:40
● 2026-03-11 14:37:54
● 2026-07-18 13:41:08

●MXalt1.aspmx.l.google.com2015-07-05 → 2026-07-18 · 5 obs

● 2015-07-05 06:06:54
● 2017-02-15 17:23:32
○ 2018-10-02 03:35:40
● 2026-03-11 14:37:54
● 2026-07-18 13:41:08

●MXalt2.aspmx.l.google.com2015-07-05 → 2026-07-18 · 5 obs

● 2015-07-05 06:06:54
● 2017-02-15 17:23:32
○ 2018-10-02 03:35:40
● 2026-03-11 14:37:54
● 2026-07-18 13:41:08

●MXalt3.aspmx.l.google.com2026-03-11 → 2026-07-18 · 3 obs

○ 2018-10-02 03:35:40
● 2026-03-11 14:37:54
● 2026-07-18 13:41:08

●MXaspmx.l.google.com2015-07-05 → 2026-07-18 · 5 obs

● 2015-07-05 06:06:54
● 2017-02-15 17:23:32
○ 2018-10-02 03:35:40
● 2026-03-11 14:37:54
● 2026-07-18 13:41:08

●A104.21.15.182026-03-11 → 2026-07-18 · 11 obs

○ 2018-10-02 03:35:40
● 2026-03-11 14:37:54
○ 2026-03-12 00:49:20
○ 2026-03-12 10:58:06
● 2026-04-14 00:39:12
● 2026-05-31 02:00:32
○ 2026-06-17 03:59:32
● 2026-06-19 14:25:56
○ 2026-07-04 12:49:22
● 2026-07-07 15:40:40
● 2026-07-18 13:41:08

●A172.67.161.62026-03-11 → 2026-07-18 · 11 obs

○A188.114.96.02026-03-12 → 2026-07-04 · 10 obs

○ 2026-03-11 14:37:54
● 2026-03-12 00:49:20
● 2026-03-12 10:58:06
○ 2026-04-14 00:39:12
○ 2026-05-31 02:00:32
● 2026-06-17 03:59:32
○ 2026-06-19 14:25:56
● 2026-07-04 12:49:22
○ 2026-07-07 15:40:40
○ 2026-07-18 13:41:08

○A188.114.97.02026-03-12 → 2026-07-04 · 10 obs

○A206.188.71.2022015-11-12 → 2015-11-12 · 4 obs

○ 2015-07-05 06:06:54
● 2015-11-12 19:17:48
○ 2016-03-15 21:16:40
○ 2026-07-18 13:41:08

●A2606:4700:3033::6815:f122026-03-11 → 2026-07-18 · 11 obs

●A2606:4700:3034::ac43:a1062026-03-11 → 2026-07-18 · 11 obs

○A2a06:98c1:3120::2026-03-12 → 2026-07-04 · 10 obs

○A2a06:98c1:3121::2026-03-12 → 2026-07-04 · 10 obs

○A66.11.186.1882015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 06:06:54
○ 2015-11-12 19:17:48
○ 2026-07-18 13:41:08

○A99.230.224.2342018-10-02 → 2018-10-02 · 4 obs

○ 2017-02-15 17:23:32
● 2018-10-02 03:35:40
○ 2026-03-11 14:37:54
○ 2026-07-18 13:41:08

○A99.231.145.82016-03-15 → 2016-03-15 · 4 obs

○ 2015-11-12 19:17:48
● 2016-03-15 21:16:40
○ 2016-07-03 17:32:38
○ 2026-07-18 13:41:08

○A99.240.109.2402017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-03 17:32:38
● 2017-02-15 17:23:32
○ 2018-10-02 03:35:40
○ 2026-07-18 13:41:08

○A99.242.20.1812016-07-03 → 2016-07-03 · 4 obs

○ 2016-03-15 21:16:40
● 2016-07-03 17:32:38
○ 2017-02-15 17:23:32
○ 2026-07-18 13:41:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, b.registrydns.co, a.registrydns.co, c.registrydns.co	-
recursive.co	reza.ns.cloudflare.com, clint.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.90

NS records: reza.ns.cloudflare.com, clint.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for recursive.co (unsigned zone)

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.18, 172.67.161.6`
AAAA	2	`2606:4700:3033::6815:f12, 2606:4700:3034::ac43:a106`
NS	2	`clint.ns.cloudflare.com, reza.ns.cloudflare.com`
MX	4	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clint.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

recursive.co has four IP addresses: 104.21.15.18, 172.67.161.6, 2606:4700:3033::6815:f12 and 2606:4700:3034::ac43:a106.

asia-tone.com, hmipemkabpidie.org, www.psperu.com and two other host names share IP numbers with recursive.co.

Name Servers

DNS delegation for recursive.co points to two name servers: clint.ns.cloudflare.com and reza.ns.cloudflare.com.

recursive.co uses the same name servers as several other domains — among them fujoceeee.jp, bp2tpontianak.com, nativecaribbean.com and two more.

recursive.co has at least partial name server overlap with other domains, such as channelindex.co.uk, outreachai.co, nilamauto.com and two others.

It is common to find these name servers paired with the name servers wally.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

clint.ns.cloudflare.com has IP addresses 108.162.193.90, 172.64.33.90 and 173.245.59.90, plus 3 other.

reza.ns.cloudflare.com has IP addresses 108.162.192.217, 172.64.32.217 and 173.245.58.217, plus 3 other.

Mail Servers

Four mail servers handle email for recursive.co: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.

recursive.co has at least partial mail server overlap with other domains such as clickandbook.net, welldonemaintenance.com, ns500698.ns500758.ns500759.ns500759.ns500698.ns500759.ns500736.ns500735.ns500698.ns500698.ns500708.ns500708.ns500708.ns500619.ns500576.ns500652.ns500576.trackreceptor.com and two more.

These mail servers commonly appear together with alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com and two other mail servers.

aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com all point to exactly two IP numbers each: aspmx.l.google.com → 64.233.180.26 and 2607:f8b0:4004:c1d::1a; alt1.aspmx.l.google.com → 108.177.123.26 and 2800:3f0:4003:c0f::1a; alt2.aspmx.l.google.com → 172.253.116.27 and 2a00:1450:400b:c02::1b; alt3.aspmx.l.google.com → 192.178.223.27 and 2a00:1450:4009:c0f::1b.