office-hour.org - robtex.com
office-hour.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:8a1e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:26c3🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.38.195Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.138.30🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | isla.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c077🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2077🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 108.162.192.119🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 172.64.32.119🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 173.245.58.119🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| NS | mitch.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bd0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21d0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 108.162.193.208🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 172.64.33.208🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 173.245.59.208🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.38.195, 172.67.138.30 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:8a1e, 2606:4700:3036::6815:26c3 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=173, name=cloudflare-ech.com | ||||||
| SOA | isla.ns.cloudflare.comdns@cloudflare.com serial=2407517399 | ||||||
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=1784821675 | ||||||
Subdomains
www.office-hour.org |
Same first word
office-hour.org |
DNS History
7 records (6 active, 1 former)
●NSisla.ns.cloudflare.com2026-04-27 → 2026-07-23 · 2 obs
● 2026-07-23 16:08:22
●NSmitch.ns.cloudflare.com2026-04-27 → 2026-07-23 · 2 obs
● 2026-07-23 16:08:22
●A104.21.38.1952026-04-27 → 2026-07-23 · 2 obs
● 2026-07-23 16:08:22
●A172.67.138.302026-04-27 → 2026-07-23 · 2 obs
● 2026-07-23 16:08:22
○A2606:4700:3031::6815:26c32026-04-27 → 2026-04-27 · 2 obs
○ 2026-07-23 16:08:22
●A2606:4700:3032::ac43:8a1e2026-04-27 → 2026-07-23 · 2 obs
● 2026-07-23 16:08:22
●A2606:4700:3036::6815:26c32026-07-23 → 2026-07-23 · 2 obs
● 2026-07-23 16:08:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| office-hour.org | isla.ns.cloudflare.com, mitch.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.119
NS records: isla.ns.cloudflare.com, mitch.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for office-hour.org (unsigned zone)
⏱️ Timing
Total: 231ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.38.195, 172.67.138.30 |
| AAAA | 2 | 2606:4700:3036::6815:26c3, 2606:4700:3032::ac43:8a1e |
| NS | 2 | isla.ns.cloudflare.com, mitch.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | isla.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
office-hour.org is a parent domain of www.office-hour.org.
IP Addresses
office-hour.org resolves to four IP addresses: 104.21.38.195, 172.67.138.30, 2606:4700:3032::ac43:8a1e and 2606:4700:3036::6815:26c3.
Among the host names that share IP numbers with office-hour.org are www.olympusmarket.com, xxdykj.net, ufyyjsf.d4sha.xeexxidpevvaf.com and two others.
Name Servers
office-hour.org is delegated to two name servers: isla.ns.cloudflare.com and mitch.ns.cloudflare.com.
office-hour.org has the same name server delegation as a number of other domains, such as propared.com, mugane.com, ventuscapital.co.uk and two more.
office-hour.org shares at least some of its name servers with other domains, including ldo304.com, screenanywhere.com, tshsandbox.com and two others.
These name servers are frequently seen alongside the name servers konnor.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
isla.ns.cloudflare.com resolves to 108.162.192.119, 172.64.32.119, 173.245.58.119 and 3 other IP addresses.
mitch.ns.cloudflare.com resolves to 108.162.193.208, 172.64.33.208, 173.245.59.208 and 3 other IP addresses.