startcomputing.com - robtex.com
startcomputing.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::ac43:c5a4πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:d23πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.13.35Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.197.164πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | curt.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b5eπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c15eπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:215eπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 108.162.193.94πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 172.64.33.94πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| A | 173.245.59.94πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | curt.ns.cloudflare.com | ||||||
| NS | mckenzie.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26fdπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mckenzie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2fdπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mckenzie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22fdπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mckenzie.ns.cloudflare.com | ||||||
| A | 108.162.194.253πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mckenzie.ns.cloudflare.com | ||||||
| A | 162.159.38.253Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mckenzie.ns.cloudflare.com | ||||||
| A | 172.64.34.253πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mckenzie.ns.cloudflare.com | ||||||
| MX | mx.hover.com.cust.hostedemail.com β | ||||||
| A | 216.40.42.4π¨π¦ TUCOWS216.40.32.0/20 Tucows International | ||||||
| PTR | mx.hostedemail.com | ||||||
| TXT | v=spf1 include:_spf.hostedemail.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.13.35, 172.67.197.164 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:c5a4, 2606:4700:3036::6815:d23 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com | ||||||
| SOA | curt.ns.cloudflare.comdns@cloudflare.com serial=2418825787 | ||||||
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=1794304191 | ||||||
Previously MX for
startcomputing.com |
Same first word
startcomputing.com |
Previous names
Next names
DNS History
13 records (7 active, 6 former)
βNScurt.ns.cloudflare.com2026-09-07 β 2026-11-10 Β· 3 obs
β 2026-09-07 15:00:24
β 2026-11-10 10:05:18
βNSmckenzie.ns.cloudflare.com2026-09-07 β 2026-11-10 Β· 3 obs
β 2026-09-07 15:00:24
β 2026-11-10 10:05:18
βNSns1.s3avahost.net2007-10-23 β 2007-10-23 Β· 3 obs
β 2015-04-21 09:11:48
β 2026-11-10 10:05:18
βNSns2.s3avahost.net2007-10-23 β 2007-10-23 Β· 3 obs
β 2015-04-21 09:11:48
β 2026-11-10 10:05:18
βNSns38a.avahost.net2007-10-23 β 2007-10-23 Β· 3 obs
β 2015-04-21 09:11:48
β 2026-11-10 10:05:18
βNSns38b.avahost.net2007-10-23 β 2007-10-23 Β· 3 obs
β 2015-04-21 09:11:48
β 2026-11-10 10:05:18
βMXmx.hover.com.cust.hostedemail.com2026-09-07 β 2026-11-10 Β· 3 obs
β 2026-09-07 15:00:24
β 2026-11-10 10:05:18
βMXstartcomputing.com2007-10-23 β 2007-10-23 Β· 3 obs
β 2015-04-21 09:11:48
β 2026-11-10 10:05:18
βA104.21.13.352026-09-07 β 2026-11-10 Β· 3 obs
β 2026-09-07 15:00:24
β 2026-11-10 10:05:18
βA172.67.197.1642026-09-07 β 2026-11-10 Β· 3 obs
β 2026-09-07 15:00:24
β 2026-11-10 10:05:18
βA209.62.113.1782007-10-23 β 2007-10-23 Β· 3 obs
β 2015-04-21 09:11:48
β 2026-11-10 10:05:18
βA2606:4700:3030::ac43:c5a42026-09-07 β 2026-11-10 Β· 3 obs
β 2026-09-07 15:00:24
β 2026-11-10 10:05:18
βA2606:4700:3036::6815:d232026-09-07 β 2026-11-10 Β· 3 obs
β 2026-09-07 15:00:24
β 2026-11-10 10:05:18
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net... | - |
| startcomputing.com | curt.ns.cloudflare.com, mckenzie.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.194.253
NS records: curt.ns.cloudflare.com, mckenzie.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for startcomputing.com (unsigned zone)
β±οΈ Timing
Total: 312ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.197.164, 104.21.13.35 |
| AAAA | 2 | 2606:4700:3030::ac43:c5a4, 2606:4700:3036::6815:d23 |
| NS | 2 | curt.ns.cloudflare.com, mckenzie.ns.cloudflare.com |
| MX | 1 | mx.hover.com.cust.hostedemail.com (pri: |
| TXT | 1 | v=spf1 include:_spf.hostedemail.com ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | curt.ns.cloudflare.com dns.cloudflare.co |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (curt.ns.cloudflare.com, curt.ns.cloudflare.com, curt.ns.cloudflare.com...)
Analysis
IP Addresses
startcomputing.com points to the four IP addresses 104.21.13.35, 172.67.197.164, 2606:4700:3030::ac43:c5a4 and 2606:4700:3036::6815:d23.
Among the host names that share IP numbers with startcomputing.com are zgwtjt.com, checkunit.info, pm1986-br.xyz and two others.
Name Servers
DNS delegation for startcomputing.com points to two name servers: curt.ns.cloudflare.com and mckenzie.ns.cloudflare.com.
startcomputing.com has the same name server delegation as a number of other domains, such as untukalinaaaa.pages.dev, hxc-95735.pages.dev, relationalmodels.world and two more.
At least some of startcomputing.com's name servers are shared with other domains, for example famit.site, triomnity.com, uacs.edu.mk and two more.
These name servers are routinely co-deployed with the name servers rafe.ns.cloudflare.com, hank.ns.cloudflare.com, lakas.ns.cloudflare.com and two others.
Host names resolving to 6 IP numbers:
curt.ns.cloudflare.com has IP addresses 108.162.193.94, 172.64.33.94 and 173.245.59.94, plus 3 other.
mckenzie.ns.cloudflare.com has IP addresses 108.162.194.253, 162.159.38.253 and 172.64.34.253, plus 3 other.
Mail Servers
startcomputing.com routes its mail through a single mail server, mx.hover.com.cust.hostedemail.com.
startcomputing.com has the same mail server arrangement as a number of other domains, for example testprepboost.com, branhamrental.com, pollinefresco.com and two more.
startcomputing.com has mail servers in common with other domains β for example titantrans.com, anniswoodworking.com and redflames.space.
mx.hover.com.cust.hostedemail.com has exactly one IP number: 216.40.42.4.