linkupdown.kr - robtex.com
linkupdown.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:5146🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:9e3e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.81.70Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.158.62🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dax.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c85🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dax.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c385🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dax.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2385🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dax.ns.cloudflare.com | ||||||
| A | 108.162.195.133🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dax.ns.cloudflare.com | ||||||
| A | 162.159.44.133Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dax.ns.cloudflare.com | ||||||
| A | 172.64.35.133🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dax.ns.cloudflare.com | ||||||
| NS | ulla.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ae9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 108.162.192.233🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 172.64.32.233🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 173.245.58.233🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.81.70, 172.67.158.62 | ||||||
| IPv6 | 2606:4700:3032::6815:5146, 2606:4700:3033::ac43:9e3e | ||||||
| SOA | dax.ns.cloudflare.comdns@cloudflare.com serial=2399830384 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2603241057 | ||||||
Same first word
linkupdown.kr |
DNS History
6 records (6 active, 0 former)
●NSdax.ns.cloudflare.com2026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 18:42:18
●NSulla.ns.cloudflare.com2026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 18:42:18
●A104.21.81.702026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 18:42:18
●A172.67.158.622026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 18:42:18
●A2606:4700:3032::6815:51462026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 18:42:18
●A2606:4700:3033::ac43:9e3e2026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 18:42:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr... | 10 records |
| linkupdown.kr | dax.ns.cloudflare.com, ulla.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.133
NS records: dax.ns.cloudflare.com, ulla.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linkupdown.kr (unsigned zone)
⏱️ Timing
Total: 843ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.81.70, 172.67.158.62 |
| AAAA | 2 | 2606:4700:3032::6815:5146, 2606:4700:3033::ac43:9e3e |
| NS | 2 | dax.ns.cloudflare.com, ulla.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dax.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (c.dns.kr, e.dns.kr, e.dns.kr...)
Analysis
IP Addresses
Four IP numbers are pointed to by linkupdown.kr: 2606:4700:3032::6815:5146, 2606:4700:3033::ac43:9e3e, 104.21.81.70 and 172.67.158.62.
other host names including sr-nakada.com, www.solotecnologia.net, studio4llc.com, www.businessinfo.uz and www.lurusbintang4dp.com share IP numbers with linkupdown.kr.
Name Servers
linkupdown.kr is delegated to two name servers dax.ns.cloudflare.com and ulla.ns.cloudflare.com.
linkupdown.kr shares the same name server setup as other domains, for instance viljamisdesign.com, occimiano.cl, infonets.kr, abogadosdrc.com and hanseeart.com.
linkupdown.kr at least partially shares name servers with other domains, for instance foxvalleystoneandbrick.com, enviso.org, benedictineacad.org, newcitydental.com and drtriponc.com.
These name servers are commonly used alongside clay.ns.cloudflare.com and eugene.ns.cloudflare.com.
Host names with six IP numbers:
Host name dax.ns.cloudflare.com points to: 2606:4700:58::a29f:2c85, 2803:f800:50::6ca2:c385, 2a06:98c1:50::ac40:2385, 108.162.195.133, 162.159.44.133 and 172.64.35.133.
Host name ulla.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae9, 2803:f800:50::6ca2:c0e9, 2a06:98c1:50::ac40:20e9, 108.162.192.233, 172.64.32.233 and 173.245.58.233.