office-big.com - robtex.com
office-big.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:a630🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:59f9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.89.249Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.166.48🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | mark.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b82🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mark.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c182🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mark.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2182🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mark.ns.cloudflare.com | ||||||
| A | 108.162.193.130🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mark.ns.cloudflare.com | ||||||
| A | 172.64.33.130🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mark.ns.cloudflare.com | ||||||
| A | 173.245.59.130🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mark.ns.cloudflare.com | ||||||
| NS | princess.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2611🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | princess.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c211🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | princess.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2211🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | princess.ns.cloudflare.com | ||||||
| A | 108.162.194.17🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | princess.ns.cloudflare.com | ||||||
| A | 162.159.38.17Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | princess.ns.cloudflare.com | ||||||
| A | 172.64.34.17🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | princess.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.89.249, 172.67.166.48 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:a630, 2606:4700:3031::6815:59f9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com | ||||||
| SOA | mark.ns.cloudflare.comdns@cloudflare.com serial=2400160955 | ||||||
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=1775194267 | ||||||
Subdomains
www.office-big.com |
Same first word
office-big.com |
Similar names
DNS History
8 records (6 active, 2 former)
○NSf1g1ns1.dnspod.net2016-12-13 → 2016-12-13 · 3 obs
○ 2017-12-23 00:18:36
○ 2026-04-03 05:36:48
○NSf1g1ns2.dnspod.net2016-12-13 → 2016-12-13 · 3 obs
○ 2017-12-23 00:18:36
○ 2026-04-03 05:36:48
●NSmark.ns.cloudflare.com2026-03-12 → 2026-04-03 · 3 obs
● 2026-03-12 05:45:18
● 2026-04-03 05:36:48
●NSprincess.ns.cloudflare.com2026-03-12 → 2026-04-03 · 3 obs
● 2026-03-12 05:45:18
● 2026-04-03 05:36:48
●A104.21.89.2492026-03-12 → 2026-04-03 · 2 obs
● 2026-04-03 05:36:48
●A172.67.166.482026-03-12 → 2026-04-03 · 2 obs
● 2026-04-03 05:36:48
●A2606:4700:3030::ac43:a6302026-03-12 → 2026-04-03 · 2 obs
● 2026-04-03 05:36:48
●A2606:4700:3031::6815:59f92026-03-12 → 2026-04-03 · 2 obs
● 2026-04-03 05:36:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| office-big.com | mark.ns.cloudflare.com, princess.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.130
NS records: mark.ns.cloudflare.com, princess.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for office-big.com (unsigned zone)
⏱️ Timing
Total: 152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.166.48, 104.21.89.249 |
| AAAA | 2 | 2606:4700:3031::6815:59f9, 2606:4700:3030::ac43:a630 |
| NS | 2 | mark.ns.cloudflare.com, princess.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | mark.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (mark.ns.cloudflare.com, mark.ns.cloudflare.com, mark.ns.cloudflare.com...)
Analysis
Hierarchy
office-big.com is the parent of www.office-big.com.
IP Addresses
office-big.com points to four IP numbers: 2606:4700:3030::ac43:a630, 2606:4700:3031::6815:59f9, 104.21.89.249 and 172.67.166.48.
For instance, other host names ns1.itechgroup.com, pokernett.net, staraddons.vip, smartenterprise.pics and dewapoker.club share IP numbers with office-big.com.
Name Servers
office-big.com is delegated to two name servers: mark.ns.cloudflare.com and princess.ns.cloudflare.com.
office-big.com uses the same name server setup as other domains such as pahxly.com, 0769tc.com, tangshanhy.com, njcjds.com and gx310.cn.
office-big.com shares name servers with other domains at least partially, for example napomnik.cz, aba.camp, smith.bz, graphicprint.com.au and faturasorgulama.com.
These name servers are commonly used with leah.ns.cloudflare.com, quentin.ns.cloudflare.com and john.ns.cloudflare.com.
Host names with six IP numbers: host name mark.ns.cloudflare.com points to: 2606:4700:58::adf5:3b82, 2803:f800:50::6ca2:c182, 2a06:98c1:50::ac40:2182, 108.162.193.130, 172.64.33.130 and 173.245.59.130; host name princess.ns.cloudflare.com points to: 2606:4700:50::a29f:2611, 2803:f800:50::6ca2:c211, 2a06:98c1:50::ac40:2211, 108.162.194.17, 162.159.38.17 and 172.64.34.17.