bigseo.co - robtex.com
bigseo.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:3ad4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:cfb5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.58.212Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.207.181🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bill.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b4a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c14a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:214a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 108.162.193.74🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 172.64.33.74🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 173.245.59.74🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| NS | maria.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ac0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0c0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20c0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 108.162.192.192🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 172.64.32.192🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 173.245.58.192🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.58.212, 172.67.207.181 | ||||||
| IPv6 hints | 2606:4700:3031::6815:3ad4, 2606:4700:3031::ac43:cfb5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=255, name=cloudflare-ech.com | ||||||
| SOA | bill.ns.cloudflare.comdns@cloudflare.com serial=2409883040 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759720182 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NSbill.ns.cloudflare.com2026-07-20 → 2026-07-30 · 3 obs
● 2026-07-20 00:57:14
● 2026-07-30 09:33:52
●NSmaria.ns.cloudflare.com2026-07-20 → 2026-07-30 · 3 obs
● 2026-07-20 00:57:14
● 2026-07-30 09:33:52
○NSns59.domaincontrol.com2020-03-10 → 2020-03-10 · 3 obs
○ 2026-07-20 00:57:14
○ 2026-07-30 09:33:52
○NSns60.domaincontrol.com2020-03-10 → 2020-03-10 · 3 obs
○ 2026-07-20 00:57:14
○ 2026-07-30 09:33:52
○A101.99.75.1342020-03-10 → 2020-03-10 · 3 obs
○ 2026-07-20 00:57:14
○ 2026-07-30 09:33:52
●A104.21.58.2122026-07-20 → 2026-07-30 · 3 obs
● 2026-07-20 00:57:14
● 2026-07-30 09:33:52
●A172.67.207.1812026-07-20 → 2026-07-30 · 3 obs
● 2026-07-20 00:57:14
● 2026-07-30 09:33:52
●A2606:4700:3031::6815:3ad42026-07-20 → 2026-07-30 · 3 obs
● 2026-07-20 00:57:14
● 2026-07-30 09:33:52
●A2606:4700:3031::ac43:cfb52026-07-20 → 2026-07-30 · 3 obs
● 2026-07-20 00:57:14
● 2026-07-30 09:33:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| bigseo.co | bill.ns.cloudflare.com, maria.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.192
NS records: bill.ns.cloudflare.com, maria.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bigseo.co (unsigned zone)
⏱️ Timing
Total: 270ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.58.212, 172.67.207.181 |
| AAAA | 2 | 2606:4700:3031::ac43:cfb5, 2606:4700:3031::6815:3ad4 |
| NS | 2 | bill.ns.cloudflare.com, maria.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bill.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
bigseo.co resolves to four IP addresses: 104.21.58.212, 172.67.207.181, 2606:4700:3031::6815:3ad4 and 2606:4700:3031::ac43:cfb5.
hibug.com, stockapp.net, carcgi.com and two other host names share IP numbers with bigseo.co.
Name Servers
bigseo.co uses two name servers for its delegation: bill.ns.cloudflare.com and maria.ns.cloudflare.com.
bigseo.co uses the same name servers as several other domains — among them checkyourpro.com, applied.works, lennonssolicitors.co.com and two more.
bigseo.co partially shares its NS delegation with several other domains, including scorenex.com, goldenheritage.com.au, hzlatzdp.com and two others.
These name servers often co-occur with the name servers langston.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname bill.ns.cloudflare.com directs to 108.162.193.74, 172.64.33.74 and 173.245.59.74 along with 3 other IP addresses.
Hostname maria.ns.cloudflare.com directs to 108.162.192.192, 172.64.32.192 and 173.245.58.192 along with 3 other IP addresses.