linkerb.io - robtex.com
linkerb.io
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3036::6815:3068πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:b7ceπΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.48.104Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.183.206πΊπΈ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | joaquin.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::a29f:2cdcπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joaquin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3dcπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | joaquin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23dcπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | joaquin.ns.cloudflare.com | ||||||
| A | 108.162.195.220πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joaquin.ns.cloudflare.com | ||||||
| A | 162.159.44.220Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joaquin.ns.cloudflare.com | ||||||
| A | 172.64.35.220πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joaquin.ns.cloudflare.com | ||||||
| NS | nadia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3acfπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0cfπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20cfπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 108.162.192.207πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 172.64.32.207πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| A | 173.245.58.207πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nadia.ns.cloudflare.com | ||||||
| MX | mail.linkerb.io β | ||||||
| A | 144.91.76.35π©πͺ CONTABO144.91.76.0/23 | ||||||
| PTR | vmi3311991.contaboserver.net | ||||||
| TXT | brevo-code:b6c2f8305d280f0270401d0ef07fe310 | ||||||
| TXT | v=spf1 ip4:144.91.76.35 mx include:spf.brevo.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.48.104, 172.67.183.206 | ||||||
| IPv6 hints | 2606:4700:3036::6815:3068, 2606:4700:3036::ac43:b7ce | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=7, name=cloudflare-ech.com | ||||||
| SOA | joaquin.ns.cloudflare.comdns@cloudflare.com serial=2410051643 | ||||||
io
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.nic.io β | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1786896194 | ||||||
Subdomains
cowork.linkerb.io |
Similar names
DNS History
7 records (7 active, 0 former)
βNSjoaquin.ns.cloudflare.com2026-08-16 β 2026-08-16 Β· 2 obs
β 2026-08-16 17:06:22
βNSnadia.ns.cloudflare.com2026-08-16 β 2026-08-16 Β· 2 obs
β 2026-08-16 17:06:22
βMXmail.linkerb.io2026-08-16 β 2026-08-16 Β· 2 obs
β 2026-08-16 17:06:22
βA104.21.48.1042026-08-16 β 2026-08-16 Β· 2 obs
β 2026-08-16 17:06:22
βA172.67.183.2062026-08-16 β 2026-08-16 Β· 2 obs
β 2026-08-16 17:06:22
βA2606:4700:3036::6815:30682026-08-16 β 2026-08-16 Β· 2 obs
β 2026-08-16 17:06:22
βA2606:4700:3036::ac43:b7ce2026-08-16 β 2026-08-16 Β· 2 obs
β 2026-08-16 17:06:22
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| linkerb.io | nadia.ns.cloudflare.com, joaquin.ns.cloudflare.com | - |
β Authoritative Response
Server:162.159.44.220
NS records: nadia.ns.cloudflare.com, joaquin.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for linkerb.io (unsigned zone)
β±οΈ Timing
Total: 312ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.48.104, 172.67.183.206 |
| AAAA | 2 | 2606:4700:3036::ac43:b7ce, 2606:4700:3036::6815:3068 |
| NS | 2 | joaquin.ns.cloudflare.com, nadia.ns.cloudflare.com |
| MX | 1 | mail.linkerb.io (pri: 10) |
| TXT | 2 | brevo-code:b6c2f8305d280f0270401d0ef07fe, v=spf1 ip4:144.91.76.35 mx include:spf.b |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | joaquin.ns.cloudflare.com dns.cloudflare |
Analysis
Hierarchy
linkerb.io serves as the parent of cowork.linkerb.io.
IP Addresses
linkerb.io has four IP addresses: 104.21.48.104, 172.67.183.206, 2606:4700:3036::6815:3068 and 2606:4700:3036::ac43:b7ce.
Among the host names that share IP numbers with linkerb.io are ztruyen.io.vn, cantillana.edu.co, toemdesign.com and two others.
Name Servers
linkerb.io uses two name servers for its delegation: joaquin.ns.cloudflare.com and nadia.ns.cloudflare.com.
linkerb.io has the same name server delegation as a number of other domains, such as bibleonmap.ai, phonixlabs.com, juspace.de and two more.
linkerb.io has at least partial name server overlap with other domains, such as zszhenyong.com, k677uu.uno, 108ck.com and two others.
These name servers tend to appear together with the name servers dakota.ns.cloudflare.com, savanna.ns.cloudflare.com and meiling.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
Hostname joaquin.ns.cloudflare.com directs to 108.162.195.220, 162.159.44.220 and 172.64.35.220 along with 3 other IP addresses.
Hostname nadia.ns.cloudflare.com directs to 108.162.192.207, 172.64.32.207 and 173.245.58.207 along with 3 other IP addresses.
Mail Servers
linkerb.io routes its mail through a single mail server, mail.linkerb.io.
mail.linkerb.io directs to just one IP number, 144.91.76.35.