stackup.sh - robtex.com
stackup.sh
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:20::681a:43πΊπΈ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:20::681a:143πΊπΈ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:49ebπΊπΈ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.26.0.67Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.26.1.67Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.73.235πΊπΈ Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | kristina.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:267dπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c27dπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:227dπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 108.162.194.125πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 162.159.38.125Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 172.64.34.125πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| NS | kurt.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bc1πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1c1π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21c1πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 108.162.193.193πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 172.64.33.193πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 173.245.59.193πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com β | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| A | 2800:3f0:4003:c0f::1bπ¨π± Google2800:3f0:4003::/48 | ||||||
| A | 108.177.123.26πΊπΈ Google108.177.123.0/24 | ||||||
| PTR | lcscld-in-f26.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4023:3003::1aπΊπΈ Google2607:f8b0::/32 | ||||||
| PTR | yulnkjt-in-f26.1e100.net | ||||||
| A | 172.253.145.26πΊπΈ Google172.253.145.0/24 | ||||||
| PTR | yulnkjt-in-f26.1e100.net | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| A | 2a00:1450:4009:c0f::1bπ¬π§ Google2a00:1450:4009::/48 | ||||||
| PTR | yulhrs-in-f27.1e100.net | ||||||
| A | 192.178.223.27πΊπΈ Google192.178.223.0/24 | ||||||
| PTR | yulhrs-in-f27.1e100.net | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| A | 2a00:1450:400c:c00::1aπ§πͺ Google2a00:1450:400c::/48 | ||||||
| PTR | ws-in-f26.1e100.net | ||||||
| PTR | ws-in-x1a.1e100.net | ||||||
| A | 173.194.76.27πΊπΈ Google173.194.76.0/24 | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| MX | 7rkn47okjtuaio2p62izzogcu4vodlf3jwtyb7kd3ofdlridpxxa.mx-verification.google.com(15) | ||||||
| TXT | ahrefs-site-verification_ea899f4608db853b1e8ab2d7bb589fe4ba9618fcc173074aafd2... | ||||||
| TXT | google-site-verification=PvsG0ht0c-TOFY3BRCDxhDf4JqtiRMgWoYCZHgevzgE | ||||||
| TXT | proxy-ssl.webflow.com | ||||||
| TXT | v=spf1 include:23377954.spf10.hubspotemail.net ~all | ||||||
| TXT | v=spf1 include:_spf.google.com ~all | ||||||
| TXT | v=spf1include:_spf.google.com~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.26.0.67, 104.26.1.67, 172.67.73.235 | ||||||
| IPv6 hints | 2606:4700:20::681a:43, 2606:4700:20::681a:143, 2606:4700:20::ac43:49eb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com | ||||||
| SOA | kristina.ns.cloudflare.comdns@cloudflare.com serial=2402693134 | ||||||
sh
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.nic.sh β | ||||||
| NS | a2.nic.sh | ||||||
| NS | b0.nic.sh | ||||||
| NS | c0.nic.sh | ||||||
| SOA | a0.nic.shhostmaster@donuts.email serial=1778638309 | ||||||
rank #198 in the tld
Same first word
Similar names
upstack.net |
pustack.com |
tupacks.com |
cuptask.com |
upstack.co |
skatcup.com |
upstack.com |
kutaspc.com |
upstack.io |
utpacks.com |
taskcup.com |
DNS History
16 records (14 active, 2 former)
βNSkristina.ns.cloudflare.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βNSkurt.ns.cloudflare.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βMX7rkn47okjtuaio2p62izzogcu4vodlf3jwtyb7kd3ofdlridpxxa.mx-verification.google.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βMXalt1.aspmx.l.google.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βMXalt2.aspmx.l.google.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βMXalt3.aspmx.l.google.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βMXalt4.aspmx.l.google.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βMXaspmx.l.google.com2026-02-25 β 2026-05-13 Β· 2 obs
β 2026-05-13 02:20:28
βA104.26.0.672026-02-25 β 2026-05-13 Β· 5 obs
β 2026-03-18 05:49:06
β 2026-03-19 21:21:22
β 2026-03-21 09:18:34
β 2026-05-13 02:20:28
βA104.26.1.672026-02-25 β 2026-05-13 Β· 5 obs
β 2026-03-18 05:49:06
β 2026-03-19 21:21:22
β 2026-03-21 09:18:34
β 2026-05-13 02:20:28
βA172.64.80.12026-03-19 β 2026-03-19 Β· 4 obs
β 2026-03-19 21:21:22
β 2026-03-21 09:18:34
β 2026-05-13 02:20:28
βA172.67.73.2352026-02-25 β 2026-05-13 Β· 5 obs
β 2026-03-18 05:49:06
β 2026-03-19 21:21:22
β 2026-03-21 09:18:34
β 2026-05-13 02:20:28
βA2606:4700:130:436c:6f75:6466:6c61:72652026-03-21 β 2026-03-21 Β· 4 obs
β 2026-03-21 13:39:40
β 2026-03-21 15:10:04
β 2026-05-13 02:20:28
βA2606:4700:20::681a:1432026-02-25 β 2026-05-13 Β· 5 obs
β 2026-03-21 12:54:10
β 2026-03-21 13:39:40
β 2026-03-21 15:10:04
β 2026-05-13 02:20:28
βA2606:4700:20::681a:432026-02-25 β 2026-05-13 Β· 5 obs
β 2026-03-21 12:54:10
β 2026-03-21 13:39:40
β 2026-03-21 15:10:04
β 2026-05-13 02:20:28
βA2606:4700:20::ac43:49eb2026-02-25 β 2026-05-13 Β· 5 obs
β 2026-03-21 12:54:10
β 2026-03-21 13:39:40
β 2026-03-21 15:10:04
β 2026-05-13 02:20:28
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sh | b0.nic.sh, a0.nic.sh, a2.nic.sh, c0.nic.sh | 8 records |
| stackup.sh | kristina.ns.cloudflare.com, kurt.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.194.125
NS records: kristina.ns.cloudflare.com, kurt.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for stackup.sh (unsigned zone)
β±οΈ Timing
Total: 2059ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.26.1.67, 172.67.73.235... |
| AAAA | 3 | 2606:4700:20::ac43:49eb, 2606:4700:20::681a:143... |
| NS | 2 | kristina.ns.cloudflare.com, kurt.ns.cloudflare.com |
| MX | 6 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 6 | ahrefs-site-verification_ea899f4608db853, google-site-verification=PvsG0ht0c-TOFY3... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kristina.ns.cloudflare.com dns.cloudflar |
π Glue Records Collected
Total: 8
In-bailiwick: 8 (c0.nic.sh, b0.nic.sh, a2.nic.sh...)
Analysis
IP Addresses
stackup.sh points to six IP addresses: 2606:4700:20::681a:43, 2606:4700:20::681a:143, 2606:4700:20::ac43:49eb, 104.26.0.67, 104.26.1.67 and 172.67.73.235.
For instance, other host names gsmfastest.com, uploads.jornalfolhadoestado.com, kaizen-bijoux.com, wcoanimedub.tv and ar.mundome.com share IP numbers with stackup.sh.
Name Servers
stackup.sh is delegated to two name servers: kristina.ns.cloudflare.com and kurt.ns.cloudflare.com.
stackup.sh uses the same name server setup as other domains such as nexus-cloud-360.com, mat-calc.com, openai-pidor-with-ai.com, divinepathretreat.com and abidiarb.watch.
stackup.sh shares name servers with other domains at least partially, for example ahlfors.com, indonesia-recipe.com, scxwlw.com, courtesyfreight.com and chatdoc.com.
These name servers are commonly used with the name servers elias.ns.cloudflare.com and miki.ns.cloudflare.com.
Host names with six IP numbers: host name kristina.ns.cloudflare.com points to: 2606:4700:50::a29f:267d, 2803:f800:50::6ca2:c27d, 2a06:98c1:50::ac40:227d, 108.162.194.125, 162.159.38.125 and 172.64.34.125; host name kurt.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc1, 2803:f800:50::6ca2:c1c1, 2a06:98c1:50::ac40:21c1, 108.162.193.193, 172.64.33.193 and 173.245.59.193.
Mail Servers
stackup.sh is handled by six mail servers: aspmx.l.google.com, 7rkn47okjtuaio2p62izzogcu4vodlf3jwtyb7kd3ofdlridpxxa.mx-verification.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
stackup.sh shares mail servers with other domains at least partially; for instance fraziermedia.com, kueskipay.com, shershnev.com, ns500731.ns500754.ns500742.ns500731.ns500742.ns500688.ns500688.ns500705.ns500704.ns500291.ns500649.ns500153.tenderladiesbz.com and ns500742.ns500742.ns500671.ns500742.ns500731.ns500731.ns500704.ns500704.ns500671.ns500671.ns500649.ns500704.ns500666.tenderladiesbz.com.
These mail servers are often used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.26
alt2.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1a and 172.253.145.26
alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.27
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27