`readerchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:171c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d075^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.28^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.117^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`zeus.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bf9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zeus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zeus.ns.cloudflare.com`
		A	108.162.193.249^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
		A	172.64.33.249^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
		A	173.245.59.249^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
NS	`zoe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c095^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zoe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2095^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zoe.ns.cloudflare.com`
		A	108.162.192.149^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	172.64.32.149^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	173.245.58.149^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.28, 172.67.208.117
		IPv6 hints	2606:4700:3030::6815:171c, 2606:4700:3034::ac43:d075
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com
SOA	`zeus.ns.cloudflare.com`dns@cloudflare.com serial=2402686142

`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=1778424886

Same first word

readerchallenge.com

DNS History

11 records (6 active, 5 former)

○NSnsauth01.ionline.nl2016-12-13 → 2017-07-10 · 4 obs

● 2016-12-13 23:50:08
● 2017-07-10 10:57:04
○ 2026-04-30 01:20:30
○ 2026-05-10 15:20:46

○NSnsauth02.ionline.nl2016-12-13 → 2017-07-10 · 4 obs

● 2016-12-13 23:50:08
● 2017-07-10 10:57:04
○ 2026-04-30 01:20:30
○ 2026-05-10 15:20:46

●NSzeus.ns.cloudflare.com2026-04-30 → 2026-05-10 · 3 obs

○ 2017-07-10 10:57:04
● 2026-04-30 01:20:30
● 2026-05-10 15:20:46

●NSzoe.ns.cloudflare.com2026-04-30 → 2026-05-10 · 3 obs

○ 2017-07-10 10:57:04
● 2026-04-30 01:20:30
● 2026-05-10 15:20:46

○MXmail.readerchallenge.com2016-12-13 → 2017-07-10 · 4 obs

● 2016-12-13 23:50:08
● 2017-07-10 10:57:04
○ 2026-04-30 01:20:30
○ 2026-05-10 15:20:46

○MXrelay.ionline.nl2016-12-13 → 2017-07-10 · 4 obs

● 2016-12-13 23:50:08
● 2017-07-10 10:57:04
○ 2026-04-30 01:20:30
○ 2026-05-10 15:20:46

●A104.21.23.282026-04-30 → 2026-05-10 · 3 obs

○ 2017-07-10 10:57:04
● 2026-04-30 01:20:30
● 2026-05-10 15:20:46

●A172.67.208.1172026-04-30 → 2026-05-10 · 3 obs

○ 2017-07-10 10:57:04
● 2026-04-30 01:20:30
● 2026-05-10 15:20:46

○A185.158.201.1112016-12-13 → 2017-07-10 · 4 obs

● 2016-12-13 23:50:08
● 2017-07-10 10:57:04
○ 2026-04-30 01:20:30
○ 2026-05-10 15:20:46

●A2606:4700:3030::6815:171c2026-04-30 → 2026-05-10 · 3 obs

○ 2017-07-10 10:57:04
● 2026-04-30 01:20:30
● 2026-05-10 15:20:46

●A2606:4700:3034::ac43:d0752026-04-30 → 2026-05-10 · 3 obs

○ 2017-07-10 10:57:04
● 2026-04-30 01:20:30
● 2026-05-10 15:20:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net...	-
readerchallenge.com	zoe.ns.cloudflare.com, zeus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.149

NS records: zoe.ns.cloudflare.com, zeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readerchallenge.com (unsigned zone)

⏱️ Timing

Total: 252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.28, 172.67.208.117`
AAAA	2	`2606:4700:3030::6815:171c, 2606:4700:3034::ac43:d075`
NS	2	`zeus.ns.cloudflare.com, zoe.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`zeus.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

readerchallenge.com resolves to four IPs: 2606:4700:3030::6815:171c, 2606:4700:3034::ac43:d075, 104.21.23.28 and 172.67.208.117.

Other host names, for instance athantimes.com, data1partners.digital, big-sushi-rise.ru, ry2agc06mb40ybcwsd18188a.xav55.com and wangpong.go.th share IP numbers with readerchallenge.com.

Name Servers

readerchallenge.com has two name servers: zeus.ns.cloudflare.com and zoe.ns.cloudflare.com.

readerchallenge.com shares the same name server setup as other domains, for example wearethegreywave.com, wearethegraywave.com, infinityfilms.ca, filejoker.net and tarabyte.com.

readerchallenge.com shares some name servers with other domains, for example liz-eu.com, group-2000.com, ryanbliss.com, 0569.com.ua and medicalimaging.com.na.

These name servers are commonly used with the name servers aiden.ns.cloudflare.com.

Host names with six IP numbers: zeus.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf9, 2803:f800:50::6ca2:c1f9, 2a06:98c1:50::ac40:21f9, 108.162.193.249, 172.64.33.249 and 173.245.59.249; zoe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a95, 2803:f800:50::6ca2:c095, 2a06:98c1:50::ac40:2095, 108.162.192.149, 172.64.32.149 and 173.245.58.149.

readerchallenge.com - robtex.com