readcube.com - dns.ninja

`readcube.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:447^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:547^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4555^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.4.71^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.5.71^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.69.85^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c075^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2075^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gina.ns.cloudflare.com`
		A	108.162.192.117^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	172.64.32.117^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	173.245.58.117^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
NS	`woz.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c196^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`woz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2196^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`woz.ns.cloudflare.com`
		A	108.162.193.150^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	172.64.33.150^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	173.245.59.150^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
		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	`aspmx2.googlemail.com`⁽⁴⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`B75D342D6C`
TXT	`MS=ms46462212`
TXT	`ZOOM_verify_iGJY56xPRSC6xp2KuI8OrQ`
TXT	`access-domain-verification=c4e6c683603a2d5bb08bd1015673668e034858c21345dbc420...`
TXT	`anthropic-domain-verification-kgxt62=6EaQzpqMMaoatPzFPvZ6KxLNr`
TXT	`atlassian-domain-verification=vLzPxcHChyvIs4WZUK6OLI+PnRxMFj8EiZIXn+PKo7ZV9qn...`
TXT	`atlassian-domain-verification=vujOqKgTa3qfzkMqa3sYB93w6sf0XaNYcystg60SWUA7Cmi...`
TXT	`coda-verification=09967c6b-f510-405b-9be6-63770783b142`
TXT	`google-site-verification=esOa7rQdCxh4ZuAcO5gN8f-ZMwbOh-J0WUCWRF-I_5Q`
TXT	`google-site-verification=nbzsvEG5QLxcg3oYn_IPaeN_rqGSQPputIclOjrORuk`
TXT	`google-site-verification=plyahtdyqzlOCRoiQzhYvPoOIaFKm4G4omsdhE-Szvg`
TXT	`google-site-verification=sNYKZ7WIliC66xsxN4xPI8o4YC7Lw12VLzo2YVPbKLY`
TXT	`knowbe4-site-verification=573d9347192dda97176455ab427e4473`
TXT	`miro-verification=95335fdc096c06730131722de6a1b5615a5d9e78`
TXT	`pardot533712=a08dae7743c1073f9cda73a9e6de4430fb90249371799badbd5a1a9aa09a8e56`
TXT	`status-page-domain-verification=mjwhw039vwhn`
TXT	`v=spf1 include:_spf.google.com include:sendgrid.net include:customeriomail.co...`
TXT	`zoho-verification=zb49660945.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.4.71, 104.26.5.71, 172.67.69.85
		IPv6 hints	2606:4700:20::681a:447, 2606:4700:20::681a:547, 2606:4700:20::ac43:4555
SOA	`gina.ns.cloudflare.com`dns@cloudflare.com serial=2407797825

`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=1782455965

rank #26830 globally
rank #13194 in the tld
WOT: SAFE (75/100)
📈 Tranco rank: #30,614

Subdomains

content-services.readcube.com

content.readcube.com

email.readcube.com

services.readcube.com

sync.readcube.com

download.readcube.com

push.readcube.com

media.readcube.com

update.readcube.com

services-gateway.readcube.com

pkg.readcube.com

injections.readcube.com

www.readcube.com

support.readcube.com

analytics.readcube.com

app.readcube.com

Same first word

readcube.com

readcube.org

readcube.net

Similar names

beraduce.com

beducare.com

abducere.com

edubrace.com

ubeecard.com

dearcube.com

DNS History

21 records (13 active, 8 former)

●NSgina.ns.cloudflare.com2015-07-12 → 2026-06-26 · 3 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2026-06-26 06:43:56

○NSns1.register.it2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 19:31:28
○ 2015-07-12 03:51:28
○ 2026-06-26 06:43:56

○NSns2.register.it2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 19:31:28
○ 2015-07-12 03:51:28
○ 2026-06-26 06:43:56

●NSwoz.ns.cloudflare.com2015-07-12 → 2026-06-26 · 3 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2026-06-26 06:43:56

●MXalt1.aspmx.l.google.com2015-07-12 → 2026-06-26 · 3 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2026-06-26 06:43:56

●MXalt2.aspmx.l.google.com2015-07-12 → 2026-06-26 · 3 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2026-06-26 06:43:56

●MXaspmx.l.google.com2015-07-12 → 2026-06-26 · 3 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2026-06-26 06:43:56

●MXaspmx2.googlemail.com2015-07-12 → 2026-06-26 · 3 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2026-06-26 06:43:56

●MXaspmx3.googlemail.com2015-07-12 → 2026-06-26 · 3 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2026-06-26 06:43:56

○MXmail.register.it2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 19:31:28
○ 2015-07-12 03:51:28
○ 2026-06-26 06:43:56

○A104.24.100.1922015-07-12 → 2015-09-29 · 5 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2015-09-29 13:24:16
○ 2015-10-30 23:48:30
○ 2026-06-26 06:43:56

○A104.24.101.1922015-07-12 → 2015-09-29 · 5 obs

○ 2008-03-09 19:31:28
● 2015-07-12 03:51:28
● 2015-09-29 13:24:16
○ 2015-10-30 23:48:30
○ 2026-06-26 06:43:56

●A104.26.4.712026-02-26 → 2026-06-26 · 3 obs

○ 2017-02-14 04:13:28
● 2026-02-26 19:47:42
● 2026-06-26 06:43:56

●A104.26.5.712026-02-26 → 2026-06-26 · 3 obs

○ 2017-02-14 04:13:28
● 2026-02-26 19:47:42
● 2026-06-26 06:43:56

○A104.27.146.1562015-10-30 → 2017-02-14 · 5 obs

○ 2008-03-09 19:31:28
● 2015-10-30 23:48:30
● 2017-02-14 04:13:28
○ 2026-02-26 19:47:42
○ 2026-06-26 06:43:56

○A104.27.147.1562015-10-30 → 2017-02-14 · 5 obs

○ 2008-03-09 19:31:28
● 2015-10-30 23:48:30
● 2017-02-14 04:13:28
○ 2026-02-26 19:47:42
○ 2026-06-26 06:43:56

●A172.67.69.852026-02-26 → 2026-06-26 · 3 obs

○ 2017-02-14 04:13:28
● 2026-02-26 19:47:42
● 2026-06-26 06:43:56

○A195.110.125.552008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 19:31:28
○ 2015-07-12 03:51:28
○ 2026-06-26 06:43:56

●A2606:4700:20::681a:4472026-02-26 → 2026-06-26 · 3 obs

○ 2017-02-14 04:13:28
● 2026-02-26 19:47:42
● 2026-06-26 06:43:56

●A2606:4700:20::681a:5472026-02-26 → 2026-06-26 · 3 obs

○ 2017-02-14 04:13:28
● 2026-02-26 19:47:42
● 2026-06-26 06:43:56

●A2606:4700:20::ac43:45552026-02-26 → 2026-06-26 · 3 obs

○ 2017-02-14 04:13:28
● 2026-02-26 19:47:42
● 2026-06-26 06:43:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
readcube.com	gina.ns.cloudflare.com, woz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.150

NS records: gina.ns.cloudflare.com, woz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readcube.com (unsigned zone)

⏱️ Timing

Total: 707ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.5.71, 104.26.4.71...`
AAAA	3	`2606:4700:20::ac43:4555, 2606:4700:20::681a:547...`
NS	2	`gina.ns.cloudflare.com, woz.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	18	`B75D342D6C, MS=ms46462212...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gina.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The host names content-services.readcube.com, content.readcube.com, email.readcube.com, services.readcube.com and sync.readcube.com — among a few others — fall under the parent domain readcube.com.

IP Addresses

readcube.com has 6 IP addresses — 104.26.4.71, 104.26.5.71, 172.67.69.85 and 3 more.

cowgirlmagazine.com, thorforums.com, nashiargan.com and two other host names share IP numbers with readcube.com.

Name Servers

readcube.com is delegated to two name servers: gina.ns.cloudflare.com and woz.ns.cloudflare.com.

readcube.com uses the same name servers as several other domains — among them pdamjembrana.com, 5pt.net, mailserver.id and two more.

At least some of readcube.com's name servers are shared with other domains, for example unaty.de, basedinistanbul.com, gopay.tw and two more.

It is common to find these name servers alongside the name servers anderson.ns.cloudflare.com, pablo.ns.cloudflare.com, jim.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

gina.ns.cloudflare.com resolves to 108.162.192.117, 172.64.32.117, 173.245.58.117 and 3 other IP addresses.

woz.ns.cloudflare.com resolves to 108.162.193.150, 172.64.33.150, 173.245.59.150 and 3 other IP addresses.

Mail Servers

readcube.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

readcube.com has at least partial mail server overlap with other domains such as ns500758.ns500758.ns500758.ns500758.ns500758.ns500736.ns500698.ns500736.ns500576.ns500698.ns500576.ns500686.ns500686.ns500619.ns500619.trackreceptor.com, ns500698.ns500698.ns500758.ns500736.ns500735.ns500736.ns500698.ns500698.ns500698.ns500576.ns500686.ns500576.ns500576.trackreceptor.com, mouthwateringmedia.com and two more.

These mail servers commonly co-occur with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com points to 142.250.31.27 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1b IP addresses.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.27 IP addresses.