roundbook.org - robtex.com
roundbook.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:d275🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:25a2🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.37.162Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.210.117🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dorthy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| NS | gordon.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3baa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21aa🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 108.162.193.170🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 172.64.33.170🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 173.245.59.170🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| MX | ghs.google.com ⭐ | ||||||
| A | 2a00:1450:4009:c04::79🇬🇧 Google2a00:1450:4009::/48 | ||||||
| PTR | um-in-f121.1e100.net | ||||||
| A | 142.250.117.121🇺🇸 Google142.250.117.0/24 | ||||||
| PTR | um-in-f121.1e100.net | ||||||
| TXT | google-site-verification=r98m4btLzDt2xDyPh8nYQhPPFwaGmBMArZBQtoNFJD8 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.37.162, 172.67.210.117 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:d275, 2606:4700:3036::6815:25a2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com | ||||||
| SOA | dorthy.ns.cloudflare.comdns@cloudflare.com serial=2410136953 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785380926 | ||||||
Same first word
roundbook.com |
roundbook.org |
DNS History
9 records (7 active, 2 former)
●NSdorthy.ns.cloudflare.com2026-04-27 → 2026-07-30 · 2 obs
● 2026-07-30 03:49:56
●NSgordon.ns.cloudflare.com2026-04-27 → 2026-07-30 · 2 obs
● 2026-07-30 03:49:56
●MXghs.google.com2026-04-27 → 2026-07-30 · 2 obs
● 2026-07-30 03:49:56
●A104.21.37.1622026-04-27 → 2026-07-30 · 2 obs
● 2026-07-30 03:49:56
●A172.67.210.1172026-04-27 → 2026-07-30 · 2 obs
● 2026-07-30 03:49:56
○A2606:4700:3033::6815:25a22026-04-27 → 2026-06-12 · 4 obs
● 2026-06-12 22:19:50
○ 2026-07-17 05:50:40
○ 2026-07-30 03:49:56
●A2606:4700:3034::ac43:d2752026-07-17 → 2026-07-30 · 3 obs
● 2026-07-17 05:50:40
● 2026-07-30 03:49:56
●A2606:4700:3036::6815:25a22026-07-17 → 2026-07-30 · 3 obs
● 2026-07-17 05:50:40
● 2026-07-30 03:49:56
○A2606:4700:3037::ac43:d2752026-04-27 → 2026-06-12 · 4 obs
● 2026-06-12 22:19:50
○ 2026-07-17 05:50:40
○ 2026-07-30 03:49:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| roundbook.org | dorthy.ns.cloudflare.com, gordon.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.249
NS records: dorthy.ns.cloudflare.com, gordon.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for roundbook.org (unsigned zone)
⏱️ Timing
Total: 691ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.210.117, 104.21.37.162 |
| AAAA | 2 | 2606:4700:3036::6815:25a2, 2606:4700:3034::ac43:d275 |
| NS | 2 | dorthy.ns.cloudflare.com, gordon.ns.cloudflare.com |
| MX | 1 | ghs.google.com (pri: 1200) |
| TXT | 1 | google-site-verification=r98m4btLzDt2xDy |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dorthy.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
roundbook.org points to the four IP addresses 104.21.37.162, 172.67.210.117, 2606:4700:3034::ac43:d275 and 2606:4700:3036::6815:25a2.
Additional host names — www.npdysftocspic.online, engync.com, www.briards.co.uk and two others — share IP numbers with roundbook.org.
Name Servers
Two name servers handle the delegation for roundbook.org: dorthy.ns.cloudflare.com and gordon.ns.cloudflare.com.
roundbook.org shares its name server setup with other domains, including makiesun.com, secretmenus.com, ionastoybox.com and two others.
The name servers of roundbook.org overlap at least partially with those of other domains — among them sa488.cn, toptenfamous.com, mampu.or.id and two more.
These name servers commonly co-occur with the name servers rayden.ns.cloudflare.com, aspen.ns.cloudflare.com, abdullah.ns.cloudflare.com and nola.ns.cloudflare.com.
Host names with 6 IP numbers:
dorthy.ns.cloudflare.com resolves to 108.162.192.249, 172.64.32.249 and 173.245.58.249 among others, with 3 other IP addresses in total.
gordon.ns.cloudflare.com resolves to 108.162.193.170, 172.64.33.170 and 173.245.59.170 among others, with 3 other IP addresses in total.
Mail Servers
roundbook.org has one mail server: ghs.google.com.
roundbook.org shares the same mail server setup as other domains, including italianvolt.com, endocon2025.com, jtsharrisonville.com and two others.
roundbook.org has mail servers in common with other domains — christophernowak.com being one example.
ghs.google.com resolves to two IP numbers — 142.250.117.121 and 2a00:1450:4009:c04::79.