stackrackcdn.com - robtex.com

stackrackcdn.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2697🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dfeb🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.151Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.235🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScheryl.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a53🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
A2803:f800:50::6ca2:c053🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcheryl.ns.cloudflare.com
A2a06:98c1:50::ac40:2053🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcheryl.ns.cloudflare.com
A108.162.192.83🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
A172.64.32.83🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
A173.245.58.83🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
NSterry.ns.cloudflare.com
A2606:4700:58::adf5:3bed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A2803:f800:50::6ca2:c1ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRterry.ns.cloudflare.com
A2a06:98c1:50::ac40:21ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRterry.ns.cloudflare.com
A108.162.193.237🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A172.64.33.237🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A173.245.59.237🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.38.151, 172.67.223.235
IPv62606:4700:3030::6815:2697, 2606:4700:3037::ac43:dfeb
SOAcheryl.ns.cloudflare.comdns@cloudflare.com serial=2399032245

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

stackrackcdn.com

DNS History

10 records (6 active, 4 former)

2020202120222023202420252026NScheryl.ns.cloudflare.comterry.ns.cloudflare.comA104.21.38.151172.67.223.2352606:4700:3030::6815:26972606:4700:3037::ac43:dfeb104.18.34.1104.18.35.12606:4700:30::6812:22012606:4700:30::6812:2301
●NScheryl.ns.cloudflare.com2019-12-15 → 2026-03-18 · 2 obs
● 2019-12-15 03:46:32
● 2026-03-18 09:56:00
●NSterry.ns.cloudflare.com2019-12-15 → 2026-03-18 · 2 obs
● 2019-12-15 03:46:32
● 2026-03-18 09:56:00
○A104.18.34.12019-12-15 → 2019-12-15 · 3 obs
● 2019-12-15 03:46:32
○ 2026-02-15 20:38:02
○ 2026-03-18 09:56:00
○A104.18.35.12019-12-15 → 2019-12-15 · 3 obs
● 2019-12-15 03:46:32
○ 2026-02-15 20:38:02
○ 2026-03-18 09:56:00
●A104.21.38.1512026-02-15 → 2026-03-18 · 3 obs
○ 2019-12-15 03:46:32
● 2026-02-15 20:38:02
● 2026-03-18 09:56:00
●A172.67.223.2352026-02-15 → 2026-03-18 · 3 obs
○ 2019-12-15 03:46:32
● 2026-02-15 20:38:02
● 2026-03-18 09:56:00
○A2606:4700:30::6812:22012019-12-15 → 2019-12-15 · 3 obs
● 2019-12-15 03:46:32
○ 2026-02-15 20:38:02
○ 2026-03-18 09:56:00
○A2606:4700:30::6812:23012019-12-15 → 2019-12-15 · 3 obs
● 2019-12-15 03:46:32
○ 2026-02-15 20:38:02
○ 2026-03-18 09:56:00
●A2606:4700:3030::6815:26972026-02-15 → 2026-03-18 · 3 obs
○ 2019-12-15 03:46:32
● 2026-02-15 20:38:02
● 2026-03-18 09:56:00
●A2606:4700:3037::ac43:dfeb2026-02-15 → 2026-03-18 · 3 obs
○ 2019-12-15 03:46:32
● 2026-02-15 20:38:02
● 2026-03-18 09:56:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...-
stackrackcdn.comcheryl.ns.cloudflare.com, terry.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.193.237

NS records: cheryl.ns.cloudflare.com, terry.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackrackcdn.com (unsigned zone)

⏱️ Timing

Total: 303ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.38.151, 172.67.223.235
AAAA22606:4700:3037::ac43:dfeb, 2606:4700:3030::6815:2697
NS2cheryl.ns.cloudflare.com, terry.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cheryl.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com...)

Analysis

IP Addresses

stackrackcdn.com points to four IP numbers: 2606:4700:3030::6815:2697, 2606:4700:3037::ac43:dfeb, 104.21.38.151 and 172.67.223.235.

Other host names, for instance blt.net.cn, 0291155.com, pulau88maxx.com, oluwarufus.com and www.blogsrus.net share IP numbers with stackrackcdn.com.

Name Servers

stackrackcdn.com is delegated to two name servers: cheryl.ns.cloudflare.com and terry.ns.cloudflare.com.

stackrackcdn.com uses the same name server setup as other domains, for instance tombu.biz, tombu.info, gainpricenow.com, tombu.org and true-match.net.

stackrackcdn.com shares name servers with other domains at least partially, for instance zikjaf.sa.com, memoriafoto.com, ultimatestorehn.com, ikaola.tv and ourdailydose.com.

these name servers are often used together with the name servers logan.ns.cloudflare.com.

Host names with six IP numbers: cheryl.ns.cloudflare.com points to 2606:4700:50::adf5:3a53, 2803:f800:50::6ca2:c053, 2a06:98c1:50::ac40:2053, 108.162.192.83, 172.64.32.83 and 173.245.58.83; terry.ns.cloudflare.com points to 2606:4700:58::adf5:3bed, 2803:f800:50::6ca2:c1ed, 2a06:98c1:50::ac40:21ed, 108.162.193.237, 172.64.33.237 and 173.245.59.237.