`mail.readerchallenge.com`

DNSSEC

⚠️ Not signed

`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` ⭐
NS	`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=143, name=cloudflare-ech.com
SOA	`zeus.ns.cloudflare.com`dns@cloudflare.com serial=2402686142

Previously MX for

readerchallenge.com

Same first word

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mail.(0x7075737379)cat.jp

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mail.boo.jp

mail.co.za

mail.zp.ua

mail.ac.me

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DNS History

1 record (0 active, 1 former)

○A185.158.201.272017-07-10 → 2017-07-10 · 2 obs

● 2017-07-10 10:57:40
○ 2026-05-10 18:23:02

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:108.162.193.249

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: 85ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

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

mail.readerchallenge.com - robtex.com