sysadmin.support - robtex.com
sysadmin.support
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3035::6815:11eeπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b2dcπΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.17.238Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.178.220πΊπΈ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | brad.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b69πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c169π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2169πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 108.162.193.105πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 172.64.33.105πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 173.245.59.105πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| NS | cortney.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a57πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c057π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2057πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 108.162.192.87πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 172.64.32.87πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 173.245.58.87πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| MX | mx2.zoho.com β | ||||||
| A | 136.143.191.44πΊπΈ ZohoAS136.143.190.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| MX | mx.zoho.com(20) | ||||||
| A | 136.143.191.44πΊπΈ ZohoAS136.143.190.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.17.238, 172.67.178.220 | ||||||
| IPv6 hints | 2606:4700:3035::6815:11ee, 2606:4700:3037::ac43:b2dc | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=55, name=cloudflare-ech.com | ||||||
| SOA | brad.ns.cloudflare.comdns@cloudflare.com serial=2414390989 | ||||||
support
| DNSSEC | π Signed (DS record present) | ||||||
| NS | v0n0.nic.support β | ||||||
| NS | v0n1.nic.support | ||||||
| NS | v0n2.nic.support | ||||||
| NS | v0n3.nic.support | ||||||
| NS | v2n0.nic.support | ||||||
| NS | v2n1.nic.support | ||||||
| SOA | v0n0.nic.supporthostmaster@donuts.email serial=1790787713 | ||||||
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DNS History
15 records (8 active, 7 former)
βNSbrad.ns.cloudflare.com2026-09-04 β 2026-09-30 Β· 3 obs
β 2026-09-04 13:37:10
β 2026-09-30 17:22:48
βNScortney.ns.cloudflare.com2026-09-04 β 2026-09-30 Β· 3 obs
β 2026-09-04 13:37:10
β 2026-09-30 17:22:48
βNSns1.hover.com2016-12-10 β 2017-07-03 Β· 4 obs
β 2017-07-03 23:36:04
β 2026-09-04 13:37:10
β 2026-09-30 17:22:48
βNSns2.hover.com2016-12-10 β 2017-07-03 Β· 4 obs
β 2017-07-03 23:36:04
β 2026-09-04 13:37:10
β 2026-09-30 17:22:48
βA104.21.17.2382026-09-10 β 2026-09-30 Β· 7 obs
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA172.67.178.2202026-09-10 β 2026-09-30 Β· 7 obs
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA188.114.96.02026-09-04 β 2026-09-17 Β· 8 obs
β 2026-09-04 13:37:10
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA188.114.97.02026-09-04 β 2026-09-17 Β· 8 obs
β 2026-09-04 13:37:10
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA2606:4700:3035::6815:11ee2026-09-10 β 2026-09-30 Β· 7 obs
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA2606:4700:3037::ac43:b2dc2026-09-10 β 2026-09-30 Β· 7 obs
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA2a06:98c1:3120::2026-09-04 β 2026-09-17 Β· 8 obs
β 2026-09-04 13:37:10
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA2a06:98c1:3121::2026-09-04 β 2026-09-17 Β· 8 obs
β 2026-09-04 13:37:10
β 2026-09-10 01:53:24
β 2026-09-12 07:03:10
β 2026-09-13 23:32:18
β 2026-09-17 09:35:22
β 2026-09-30 17:22:44
β 2026-09-30 17:22:48
βA64.98.145.302016-12-10 β 2017-07-03 Β· 4 obs
β 2017-07-03 23:36:04
β 2026-09-04 13:37:10
β 2026-09-30 17:22:48
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| support | v0n0.nic.support, v2n0.nic.support, v0n2.nic.support, v2n1.nic.support... | 12 records |
| sysadmin.support | cortney.ns.cloudflare.com, brad.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.32.87
NS records: cortney.ns.cloudflare.com, brad.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for sysadmin.support (unsigned zone)
β±οΈ Timing
Total: 1014ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.178.220, 104.21.17.238 |
| AAAA | 2 | 2606:4700:3035::6815:11ee, 2606:4700:3037::ac43:b2dc |
| NS | 2 | brad.ns.cloudflare.com, cortney.ns.cloudflare.com |
| MX | 2 | mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20) |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | brad.ns.cloudflare.com dns.cloudflare.co |
π Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.support, v0n0.nic.support, v2n0.nic.support...)
Analysis
IP Addresses
sysadmin.support points to the four IP addresses 104.21.17.238, 172.67.178.220, 2606:4700:3035::6815:11ee and 2606:4700:3037::ac43:b2dc.
Two other host names, along with www.mediafireheaven.printasy.com, syswinpharma.com and hdonline.me, also share IP numbers with sysadmin.support.
Name Servers
sysadmin.support is delegated to two name servers: brad.ns.cloudflare.com and cortney.ns.cloudflare.com.
sysadmin.support shares its NS records with other domains, for example arendaduplo.com, landauconsulting.com, android-vavada.com and two others.
At least some of sysadmin.support's name servers are shared with other domains, for example endlessvideo.com, kereta86-com.pages.dev, dialegra.app and two more.
It is common for these name servers to be used in conjunction with the name servers serenity.ns.cloudflare.com, simon.ns.cloudflare.com and brett.ns.cloudflare.com.
DNS names with 6 IP addresses:
brad.ns.cloudflare.com resolves to 108.162.193.105, 172.64.33.105, 173.245.59.105 and 3 other IP addresses.
cortney.ns.cloudflare.com resolves to 108.162.192.87, 172.64.32.87, 173.245.58.87 and 3 other IP addresses.
Mail Servers
sysadmin.support is served by two mail servers, mx2.zoho.com and mx.zoho.com.
Among the domains sharing a mail server setup with sysadmin.support are katholicbeadsandmore.com, josyula.net, sciautom.com and two others.
There is at least a partial MX overlap between sysadmin.support and other domains, including lakazbato.com, klaudefurlong.com, arrabalgastrobar.com and two others.
These mail servers often co-occur with the mail servers mx3.zoho.com.
mx2.zoho.com and mx.zoho.com both resolve to the same single IP address: 136.143.191.44.
mx2.zoho.com and mx.zoho.com are host names that each point to 136.143.191.44 IP addresses.