content.readcube.com - dns.ninja

`content.readcube.com`

CNAME	`dai046e8knt28.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:286d:1c00:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	2600:9000:286d:4200:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	2600:9000:286d:5400:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	2600:9000:286d:7400:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	2600:9000:286d:8e00:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	2600:9000:286d:9e00:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	2600:9000:286d:a200:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	2600:9000:286d:de00:13:ccc1:b800:93a1^{🇺🇸 Amazon2600:9000:286d::/48}
A	3.170.19.24^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.26^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.48^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.89^{🇺🇸 Amazon3.170.19.0/24}
NS	`ns-423.awsdns-52.com` ⭐
		A	2600:9000:5301:a700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-423.awsdns-52.com`
		A	205.251.193.167^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-423.awsdns-52.com`
NS	`ns-1525.awsdns-62.org`
		A	2600:9000:5305:f500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1525.awsdns-62.org`
		A	205.251.197.245^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1525.awsdns-62.org`
NS	`ns-1616.awsdns-10.co.uk`
		A	2600:9000:5306:5000::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1616.awsdns-10.co.uk`
		A	205.251.198.80^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1616.awsdns-10.co.uk`
NS	`ns-763.awsdns-31.net`
		A	2600:9000:5302:fb00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-763.awsdns-31.net`
		A	205.251.194.251^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-763.awsdns-31.net`
HTTPS	HTTP/2, HTTP/3
SOA	`ns-423.awsdns-52.com`awsdns-hostmaster@amazon.com serial=1

`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` ⭐
NS	`woz.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
MX	`aspmx2.googlemail.com`⁽⁴⁰⁾
MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
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

WOT: SAFE (62/100)
rank #26830 globally
rank #13194 in the tld
WOT: SAFE (75/100)
📈 Tranco rank: #30,606

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DNS History

22 records (1 active, 21 former)

○A104.26.4.712026-02-26 → 2026-03-04 · 5 obs

○ 2016-12-01 16:59:42
● 2026-02-26 19:47:42
● 2026-03-04 17:07:36
○ 2026-03-05 19:01:18
○ 2026-06-26 21:38:38

○A104.26.5.712026-02-26 → 2026-03-04 · 5 obs

○ 2016-12-01 16:59:42
● 2026-02-26 19:47:42
● 2026-03-04 17:07:36
○ 2026-03-05 19:01:18
○ 2026-06-26 21:38:38

○A104.27.146.1562016-11-13 → 2016-12-01 · 5 obs

○ 2016-07-08 02:20:58
● 2016-11-13 16:07:52
● 2016-12-01 16:59:42
○ 2026-02-26 19:47:42
○ 2026-06-26 21:38:38

○A104.27.147.1562016-11-13 → 2016-12-01 · 5 obs

○ 2016-07-08 02:20:58
● 2016-11-13 16:07:52
● 2016-12-01 16:59:42
○ 2026-02-26 19:47:42
○ 2026-06-26 21:38:38

○A107.21.202.2242016-07-08 → 2016-07-08 · 4 obs

○ 2016-02-29 10:18:48
● 2016-07-08 02:20:58
○ 2016-11-13 16:07:52
○ 2026-06-26 21:38:38

○A172.67.69.852026-02-26 → 2026-03-04 · 5 obs

○ 2016-12-01 16:59:42
● 2026-02-26 19:47:42
● 2026-03-04 17:07:36
○ 2026-03-05 19:01:18
○ 2026-06-26 21:38:38

○A23.21.107.2212015-08-07 → 2015-08-07 · 3 obs

● 2015-08-07 10:16:34
○ 2026-02-26 19:47:42
○ 2026-06-26 21:38:38

○A23.23.163.1882015-11-28 → 2015-11-28 · 4 obs

○ 2015-08-07 10:16:34
● 2015-11-28 15:52:20
○ 2016-02-29 10:18:48
○ 2026-06-26 21:38:38

○A2606:4700:20::681a:4472026-02-26 → 2026-03-04 · 5 obs

○ 2016-12-01 16:59:42
● 2026-02-26 19:47:42
● 2026-03-04 17:07:36
○ 2026-03-05 19:01:18
○ 2026-06-26 21:38:38

○A2606:4700:20::681a:5472026-02-26 → 2026-03-04 · 5 obs

○ 2016-12-01 16:59:42
● 2026-02-26 19:47:42
● 2026-03-04 17:07:36
○ 2026-03-05 19:01:18
○ 2026-06-26 21:38:38

○A2606:4700:20::ac43:45552026-02-26 → 2026-03-04 · 5 obs

○ 2016-12-01 16:59:42
● 2026-02-26 19:47:42
● 2026-03-04 17:07:36
○ 2026-03-05 19:01:18
○ 2026-06-26 21:38:38

○A50.17.180.2252015-08-07 → 2015-08-07 · 3 obs

● 2015-08-07 10:16:34
○ 2026-02-26 19:47:42
○ 2026-06-26 21:38:38

○A50.19.241.1052016-02-29 → 2016-02-29 · 4 obs

○ 2015-11-28 15:52:20
● 2016-02-29 10:18:48
○ 2016-07-08 02:20:58
○ 2026-06-26 21:38:38

○A54.221.211.1402016-02-29 → 2016-02-29 · 4 obs

○ 2015-11-28 15:52:20
● 2016-02-29 10:18:48
○ 2016-07-08 02:20:58
○ 2026-06-26 21:38:38

○A54.235.218.2282015-11-28 → 2015-11-28 · 4 obs

○ 2015-08-07 10:16:34
● 2015-11-28 15:52:20
○ 2016-02-29 10:18:48
○ 2026-06-26 21:38:38

○A54.235.84.642016-02-29 → 2016-02-29 · 4 obs

○ 2015-11-28 15:52:20
● 2016-02-29 10:18:48
○ 2016-07-08 02:20:58
○ 2026-06-26 21:38:38

○A54.243.68.182015-11-28 → 2015-11-28 · 4 obs

○ 2015-08-07 10:16:34
● 2015-11-28 15:52:20
○ 2016-02-29 10:18:48
○ 2026-06-26 21:38:38

○A54.243.76.2102015-08-07 → 2015-08-07 · 3 obs

● 2015-08-07 10:16:34
○ 2026-02-26 19:47:42
○ 2026-06-26 21:38:38

○CNAMEcontent.readcube.com.herokudns.com2016-07-08 → 2016-07-08 · 4 obs

○ 2016-02-29 10:18:48
● 2016-07-08 02:20:58
○ 2016-11-13 16:07:52
○ 2026-06-26 21:38:38

●CNAMEdai046e8knt28.cloudfront.net2026-03-05 → 2026-06-26 · 3 obs

○ 2016-11-13 16:07:52
● 2026-03-05 19:01:18
● 2026-06-26 21:38:38

○CNAMEelb051044-1706670737.us-east-1.elb.amazonaws.com2015-11-28 → 2016-02-29 · 5 obs

○ 2015-08-07 10:16:34
● 2015-11-28 15:52:20
● 2016-02-29 10:18:48
○ 2016-07-08 02:20:58
○ 2026-06-26 21:38:38

○CNAMEiwate-9354.herokussl.com2015-08-07 → 2016-02-29 · 4 obs

● 2015-08-07 10:16:34
● 2016-02-29 10:18:48
○ 2016-07-08 02:20:58
○ 2026-06-26 21:38:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
readcube.com	gina.ns.cloudflare.com, woz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.117

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: 185ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`dai046e8knt28.cloudfront.net`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

content.readcube.com has 12 IP addresses — 3.170.19.24, 3.170.19.26, 3.170.19.48 and 9 more.

www.ajieng.co.jp, biasys.ro, jaihoslots.com and two other host names share IP numbers with content.readcube.com.

Name Servers

The authoritative name servers for content.readcube.com are ns-423.awsdns-52.com, ns-763.awsdns-31.net, ns-1525.awsdns-62.org and ns-1616.awsdns-10.co.uk.

content.readcube.com partially shares its NS delegation with several other domains, including voyagerportal.com, aws.domgen-usa.com, free-download-offer.com and two others.

ns-423.awsdns-52.com, ns-763.awsdns-31.net, ns-1525.awsdns-62.org and ns-1616.awsdns-10.co.uk each carry two IP addresses. ns-423.awsdns-52.com has 205.251.193.167 and 2600:9000:5301:a700::1; ns-763.awsdns-31.net has 205.251.194.251 and 2600:9000:5302:fb00::1; ns-1525.awsdns-62.org has 205.251.197.245 and 2600:9000:5305:f500::1; ns-1616.awsdns-10.co.uk has 205.251.198.80 and 2600:9000:5306:5000::1.