cosbuilderhub.info - robtex.com

cosbuilderhub.info

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:167🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:8107🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.1.103Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.7🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrynne.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2641🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrynne.ns.cloudflare.com
A2803:f800:50::6ca2:c241🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrynne.ns.cloudflare.com
A2a06:98c1:50::ac40:2241🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrynne.ns.cloudflare.com
A108.162.194.65🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrynne.ns.cloudflare.com
A162.159.38.65Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrynne.ns.cloudflare.com
A172.64.34.65🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrynne.ns.cloudflare.com
NSthaddeus.ns.cloudflare.com
A2606:4700:58::a29f:2c7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
A2803:f800:50::6ca2:c37f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRthaddeus.ns.cloudflare.com
A2a06:98c1:50::ac40:237f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRthaddeus.ns.cloudflare.com
A108.162.195.127🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
A162.159.44.127Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
A172.64.35.127🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c17::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f27.1e100.net
A142.251.16.27🇺🇸 Google142.251.16.0/24
PTRbl-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c01::1a🇮🇪 Google2a00:1450:400b::/48
PTRdi-in-f26.1e100.net
A74.125.193.26🇺🇸 Google74.125.193.0/24
PTRdi-in-f26.1e100.net
PTRig-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=YRbualpfnufEFSM_wCTVHvJWIOFXy8MQrU(0x734578)7O5xts
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.1.103, 172.67.129.7
IPv6 hints2606:4700:3030::6815:167, 2606:4700:3030::ac43:8107
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com
SOAbrynne.ns.cloudflare.comdns@cloudflare.com serial=2410266667

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info ⭐
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1785500266
⚠️ On DNS blocklist: tif

Same first word

cosbuilderhub.info

DNS History

11 records (11 active, 0 former)

NSbrynne.ns.cloudflare.comthaddeus.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.1.103172.67.129.72606:4700:3030::6815:1672606:4700:3030::ac43:8107
●NSbrynne.ns.cloudflare.com2026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●NSthaddeus.ns.cloudflare.com2026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●MXalt1.aspmx.l.google.com2026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●MXalt2.aspmx.l.google.com2026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●MXalt3.aspmx.l.google.com2026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●MXalt4.aspmx.l.google.com2026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●MXaspmx.l.google.com2026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●A104.21.1.1032026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●A172.67.129.72026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●A2606:4700:3030::6815:1672026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32
●A2606:4700:3030::ac43:81072026-07-28 → 2026-07-31 · 2 obs
● 2026-07-28 02:36:32
● 2026-07-31 12:33:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa2.info.afilias-nst.info, c0.info.afilias-nst.info, a0.info.afilias-nst.info-
cosbuilderhub.infobrynne.ns.cloudflare.com, thaddeus.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.65

NS records: brynne.ns.cloudflare.com, thaddeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cosbuilderhub.info (unsigned zone)

⏱️ Timing

Total: 614ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.1.103, 172.67.129.7
AAAA22606:4700:3030::ac43:8107, 2606:4700:3030::6815:167
NS2brynne.ns.cloudflare.com, thaddeus.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=YRbualpfnufEFSM, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brynne.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

cosbuilderhub.info points to the four IP addresses 104.21.1.103, 172.67.129.7, 2606:4700:3030::6815:167 and 2606:4700:3030::ac43:8107.

viosapp.com, printivo.com, plaza-arnhem.nl and two other host names share IP numbers with cosbuilderhub.info.

Name Servers

Two name servers handle the delegation for cosbuilderhub.info: brynne.ns.cloudflare.com and thaddeus.ns.cloudflare.com.

cosbuilderhub.info uses the same name servers as several other domains — among them 467k.com, m9577.com, cosmarket.info and two more.

At least some of cosbuilderhub.info's name servers are shared with other domains, for example styxgum.pro, fulcrum.run, chn-oa.com and two more.

These name servers tend to be deployed in combination with the name servers crystal.ns.cloudflare.com and dane.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

brynne.ns.cloudflare.com resolves to 108.162.194.65, 162.159.38.65 and 172.64.34.65 among others, with 3 other IP addresses in total.

thaddeus.ns.cloudflare.com resolves to 108.162.195.127, 162.159.44.127 and 172.64.35.127 among others, with 3 other IP addresses in total.

Mail Servers

cosbuilderhub.info has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

cosbuilderhub.info has at least partial mail server overlap with other domains such as pexguy.com, seacargo.in, ns500693.ns500734.ns500693.ns500734.ns500699.ns500734.ns500693.ns500699.ns500588.ns500612.ns500612.ns500612.ns500612.ns500612.ns500110.dtrkdll.com and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.16.27 and 2607:f8b0:4004:c17::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 74.125.193.26 and 2a00:1450:400b:c01::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.