readingconcrete.com - robtex.com

readingconcrete.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:cc33🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5d21🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.33Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.51🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSharlan.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cfa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlan.ns.cloudflare.com
A2803:f800:50::6ca2:c3fa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRharlan.ns.cloudflare.com
A2a06:98c1:50::ac40:23fa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRharlan.ns.cloudflare.com
A108.162.195.250🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlan.ns.cloudflare.com
A162.159.44.250Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlan.ns.cloudflare.com
A172.64.35.250🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlan.ns.cloudflare.com
NSnena.ns.cloudflare.com
A2606:4700:50::a29f:26a1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A2803:f800:50::6ca2:c2a1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnena.ns.cloudflare.com
A2a06:98c1:50::ac40:22a1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnena.ns.cloudflare.com
A108.162.194.161🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A162.159.38.161Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A172.64.34.161🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.93.33, 172.67.204.51
IPv62606:4700:3035::ac43:cc33, 2606:4700:3037::6815:5d21
SOAharlan.ns.cloudflare.comdns@cloudflare.com serial=2399235695

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=1774616957

Same first word

readingconcrete.com

DNS History

11 records (6 active, 5 former)

201820192020202120222023202420252026NSharlan.ns.cloudflare.comnena.ns.cloudflare.comns2.bsntech.comns3.bsntech.comMXarcola-p.bsntech.comA104.21.93.33172.67.204.512606:4700:3035::ac43:cc332606:4700:3037::6815:5d21209.107.250.363.134.188.13
●NSharlan.ns.cloudflare.com2026-03-23 → 2026-03-27 · 3 obs
○ 2017-05-12 03:06:40
● 2026-03-23 05:32:10
● 2026-03-27 13:23:30
●NSnena.ns.cloudflare.com2026-03-23 → 2026-03-27 · 3 obs
○ 2017-05-12 03:06:40
● 2026-03-23 05:32:10
● 2026-03-27 13:23:30
○NSns2.bsntech.com2017-05-12 → 2017-05-12 · 3 obs
● 2017-05-12 03:06:40
○ 2026-03-23 05:32:10
○ 2026-03-27 13:23:30
○NSns3.bsntech.com2017-05-12 → 2017-05-12 · 3 obs
● 2017-05-12 03:06:40
○ 2026-03-23 05:32:10
○ 2026-03-27 13:23:30
○MXarcola-p.bsntech.com2017-05-12 → 2017-05-12 · 3 obs
● 2017-05-12 03:06:40
○ 2026-03-23 05:32:10
○ 2026-03-27 13:23:30
●A104.21.93.332026-03-23 → 2026-03-27 · 3 obs
○ 2017-05-12 03:06:40
● 2026-03-23 05:32:10
● 2026-03-27 13:23:30
●A172.67.204.512026-03-23 → 2026-03-27 · 3 obs
○ 2017-05-12 03:06:40
● 2026-03-23 05:32:10
● 2026-03-27 13:23:30
○A209.107.250.32017-05-12 → 2017-05-12 · 3 obs
● 2017-05-12 03:06:40
○ 2026-03-23 05:32:10
○ 2026-03-27 13:23:30
●A2606:4700:3035::ac43:cc332026-03-23 → 2026-03-27 · 3 obs
○ 2017-05-12 03:06:40
● 2026-03-23 05:32:10
● 2026-03-27 13:23:30
●A2606:4700:3037::6815:5d212026-03-23 → 2026-03-27 · 3 obs
○ 2017-05-12 03:06:40
● 2026-03-23 05:32:10
● 2026-03-27 13:23:30
○A63.134.188.132017-05-12 → 2017-05-12 · 3 obs
● 2017-05-12 03:06:40
○ 2026-03-23 05:32:10
○ 2026-03-27 13:23:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...-
readingconcrete.comnena.ns.cloudflare.com, harlan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.250

NS records: nena.ns.cloudflare.com, harlan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readingconcrete.com (unsigned zone)

⏱️ Timing

Total: 128ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.93.33, 172.67.204.51
AAAA22606:4700:3035::ac43:cc33, 2606:4700:3037::6815:5d21
NS2harlan.ns.cloudflare.com, nena.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1harlan.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

readingconcrete.com maps to four IP numbers: 2606:4700:3035::ac43:cc33, 2606:4700:3037::6815:5d21, 104.21.93.33 and 172.67.204.51.

Other host names such as williambutler.ca, nccjzd.com, salomeamuseum.lviv.ua, seankoji.com and frangos.com.au share IPs with readingconcrete.com.

Name Servers

Two name servers harlan.ns.cloudflare.com and nena.ns.cloudflare.com handle the delegation for readingconcrete.com.

readingconcrete.com shares the same name server setup as other domains, for example dc-sd.com, sz-english.com, pufferweb.com, jinmeltm.com and team-cti.com.

readingconcrete.com at least partially shares name servers with other domains, for example tokouba.com, 3c91.com.tw, airasiaredtix.com, gzjunsheng.net and czelink.com.

These name servers are commonly used with emerson.ns.cloudflare.com and bill.ns.cloudflare.com and aida.ns.cloudflare.com.

Host names with six IP numbers:

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.