checkol.com - robtex.com
checkol.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::ac43:8476πΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:d15πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.13.21Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.132.118πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | harlan.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::a29f:2cfaπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3faπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23faπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 108.162.195.250πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 162.159.44.250Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 172.64.35.250πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| NS | nena.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26a1πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2a1π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22a1πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 108.162.194.161πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 162.159.38.161Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| A | 172.64.34.161πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 | 104.21.13.21, 172.67.132.118 | ||||||
| IPv6 | 2606:4700:3031::ac43:8476, 2606:4700:3033::6815:d15 | ||||||
| SOA | harlan.ns.cloudflare.comdns@cloudflare.com serial=2395165789 | ||||||
com
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.gtld-servers.net β | ||||||
| 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=1771291435 | ||||||
Same first word
checkol.com |
Similar names
DNS History
9 records (6 active, 3 former)
βNSharlan.ns.cloudflare.com2026-02-23 β 2026-03-23 Β· 3 obs
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βNSnena.ns.cloudflare.com2026-02-23 β 2026-03-23 Β· 3 obs
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βNSns15.ixwebhosting.com2015-05-16 β 2017-04-11 Β· 4 obs
β 2017-04-11 03:52:58
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βNSns16.ixwebhosting.com2015-05-16 β 2017-04-11 Β· 4 obs
β 2017-04-11 03:52:58
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βA104.21.13.212026-02-23 β 2026-03-23 Β· 3 obs
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βA172.67.132.1182026-02-23 β 2026-03-23 Β· 3 obs
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βA2606:4700:3031::ac43:84762026-02-23 β 2026-03-23 Β· 3 obs
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βA2606:4700:3033::6815:d152026-02-23 β 2026-03-23 Β· 3 obs
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
βA96.0.56.62015-05-16 β 2017-04-11 Β· 4 obs
β 2017-04-11 03:52:58
β 2026-02-23 12:04:46
β 2026-03-23 21:27:24
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| checkol.com | nena.ns.cloudflare.com, harlan.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.195.250
NS records: nena.ns.cloudflare.com, harlan.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for checkol.com (unsigned zone)
β±οΈ Timing
Total: 133ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.132.118, 104.21.13.21 |
| AAAA | 2 | 2606:4700:3031::ac43:8476, 2606:4700:3033::6815:d15 |
| NS | 2 | harlan.ns.cloudflare.com, nena.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | harlan.ns.cloudflare.com dns.cloudflare. |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (nena.ns.cloudflare.com, nena.ns.cloudflare.com, nena.ns.cloudflare.com...)
Analysis
IP Addresses
checkol.com maps to four IP numbers: 2606:4700:3031::ac43:8476, 2606:4700:3033::6815:d15, 104.21.13.21 and 172.67.132.118.
other host names include wpmarketx.com, ariosto-bb.com, www.eran.gr, guelpa.me and roguelaunch.com; they share IP numbers with checkol.com.
Name Servers
Two name servers harlan.ns.cloudflare.com and nena.ns.cloudflare.com handle the delegation for checkol.com.
checkol.com shares the same name server setup as other domains, for instance rjcarchitects.com, kkdj.net, templatelia.com, 99haha.com and 677025.com.
checkol.com at least partially shares name servers with other domains, for instance id.school, 158688.xyz, musiicnotes.com, bluefishservices.ca and jcyzf.com.
These name servers are commonly used with sonny.ns.cloudflare.com and jule.ns.cloudflare.com.
Six IP addresses per host:
harlan.ns.cloudflare.com points to 2606:4700:58::a29f:2cfa, 2803:f800:50::6ca2:c3fa, 2a06:98c1:50::ac40:23fa, 108.162.195.250, 162.159.44.250 and 172.64.35.250; nena.ns.cloudflare.com points to 2606:4700:50::a29f:26a1, 2803:f800:50::6ca2:c2a1, 2a06:98c1:50::ac40:22a1, 108.162.194.161, 162.159.38.161 and 172.64.34.161