readaroundtheworldchallenge.com - robtex.com
readaroundtheworldchallenge.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3108::ac42:28ec🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3108::ac42:2b14🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.66.40.236🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.66.43.20🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | brenda.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c04d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:204d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 108.162.192.77🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 172.64.32.77🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 173.245.58.77🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| NS | doug.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c19f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:219f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 108.162.193.159🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 172.64.33.159🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 173.245.59.159🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| MX | mail.readaroundtheworldchallenge.com ⭐ | ||||||
| A | 162.214.95.110🇺🇸 EIGI162.214.0.0/15 Unified Layer | ||||||
| PTR | server.readaroundtheworldchallenge.com | ||||||
| TXT | brevo-code:deace891fca594e633c8c3231e55cd24 | ||||||
| TXT | google-site-verification=39BhvyV76nUZI-u33vgcu7FVjfxe5JikBrGkRfq3G1Y | ||||||
| TXT | v=spf1 +a +mx +ip4:162.214.95.110 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 172.66.40.236, 172.66.43.20 | ||||||
| IPv6 hints | 2606:4700:3108::ac42:28ec, 2606:4700:3108::ac42:2b14 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=128, name=cloudflare-ech.com | ||||||
| SOA | brenda.ns.cloudflare.comdns@cloudflare.com serial=2410085009 | ||||||
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.netnstld@verisign-grs.com serial=1785840977 | ||||||
Subdomains
Same first word
readaroundtheworldchallenge.com |
DNS History
7 records (7 active, 0 former)
●NSbrenda.ns.cloudflare.com2026-02-16 → 2026-08-04 · 2 obs
● 2026-08-04 11:11:28
●NSdoug.ns.cloudflare.com2026-02-16 → 2026-08-04 · 2 obs
● 2026-08-04 11:11:28
●MXmail.readaroundtheworldchallenge.com2026-02-16 → 2026-08-04 · 2 obs
● 2026-08-04 11:11:28
●A172.66.40.2362026-02-16 → 2026-08-04 · 2 obs
● 2026-08-04 11:11:28
●A172.66.43.202026-02-16 → 2026-08-04 · 2 obs
● 2026-08-04 11:11:28
●A2606:4700:3108::ac42:28ec2026-02-16 → 2026-08-04 · 2 obs
● 2026-08-04 11:11:28
●A2606:4700:3108::ac42:2b142026-02-16 → 2026-08-04 · 2 obs
● 2026-08-04 11:11:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| readaroundtheworldchallenge.com | brenda.ns.cloudflare.com, doug.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.159
NS records: brenda.ns.cloudflare.com, doug.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for readaroundtheworldchallenge.com (unsigned zone)
⏱️ Timing
Total: 118ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.66.40.236, 172.66.43.20 |
| AAAA | 2 | 2606:4700:3108::ac42:28ec, 2606:4700:3108::ac42:2b14 |
| NS | 2 | brenda.ns.cloudflare.com, doug.ns.cloudflare.com |
| MX | 1 | mail.readaroundtheworldchallenge.com (pr |
| TXT | 3 | brevo-code:deace891fca594e633c8c3231e55c, google-site-verification=39BhvyV76nUZI-u... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | brenda.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (brenda.ns.cloudflare.com, brenda.ns.cloudflare.com, brenda.ns.cloudflare.com...)
Analysis
Hierarchy
mail.readaroundtheworldchallenge.com and server.readaroundtheworldchallenge.com each fall under readaroundtheworldchallenge.com as their parent domain.
IP Addresses
readaroundtheworldchallenge.com has four IP addresses: 172.66.40.236, 172.66.43.20, 2606:4700:3108::ac42:28ec and 2606:4700:3108::ac42:2b14.
Two other host names, along with web.chemicloud.com, bellwetherit.com and www.bellwetherit.com, also share IP numbers with readaroundtheworldchallenge.com.
Name Servers
The NS records for readaroundtheworldchallenge.com delegate to brenda.ns.cloudflare.com and doug.ns.cloudflare.com.
readaroundtheworldchallenge.com shares its NS records with other domains, for example surempresa.com, inkfair.com, detektywzdrowko.pl and two others.
readaroundtheworldchallenge.com shares at least some of its name servers with other domains, including bitstarz-integration.com, amigoslotsuk.com, chinabuy.co.kr and two others.
These name servers are frequently paired with the name servers chan.ns.cloudflare.com and hans.ns.cloudflare.com.
DNS names with 6 IP addresses:
brenda.ns.cloudflare.com maps to 108.162.192.77, 172.64.32.77, 173.245.58.77 and 3 additional IP addresses.
doug.ns.cloudflare.com maps to 108.162.193.159, 172.64.33.159, 173.245.59.159 and 3 additional IP addresses.
Mail Servers
The sole mail server for readaroundtheworldchallenge.com is mail.readaroundtheworldchallenge.com.
mail.readaroundtheworldchallenge.com resolves to 162.214.95.110 and no other IP number.