bt251.com - robtex.com

bt251.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8219🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:764🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.7.100Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.25🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkyree.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ccf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A2803:f800:50::6ca2:c3cf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkyree.ns.cloudflare.com
A2a06:98c1:50::ac40:23cf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkyree.ns.cloudflare.com
A108.162.195.207🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A162.159.44.207Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A172.64.35.207🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
NSuma.ns.cloudflare.com
A2606:4700:50::adf5:3a92🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
A2803:f800:50::6ca2:c092🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRuma.ns.cloudflare.com
A2a06:98c1:50::ac40:2092🇺🇸 Cloudflare2a06:98c1:50::/45
PTRuma.ns.cloudflare.com
A108.162.192.146🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
A172.64.32.146🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
A173.245.58.146🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.7.100, 172.67.130.25
IPv62606:4700:3034::ac43:8219, 2606:4700:3035::6815:764
SOAkyree.ns.cloudflare.comdns@cloudflare.com serial=2397367623

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=1774819837

Same first word

bt251.com

Similar names

bt125.com
tb125.com
bt215.com
521bt.com
tb152.com
bt521.com
bt521.cn

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSkyree.ns.cloudflare.comuma.ns.cloudflare.combart.ns.cloudflare.comdorthy.ns.cloudflare.comA104.21.7.100172.67.130.252606:4700:3034::ac43:82192606:4700:3035::6815:764104.151.129.122
○NSbart.ns.cloudflare.com2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 20:12:52
○ 2015-10-24 23:32:36
○ 2026-03-29 21:43:42
○NSdorthy.ns.cloudflare.com2015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 20:12:52
○ 2015-10-24 23:32:36
○ 2026-03-29 21:43:42
●NSkyree.ns.cloudflare.com2026-03-06 → 2026-03-29 · 3 obs
○ 2015-10-24 23:32:36
● 2026-03-06 12:12:16
● 2026-03-29 21:43:42
●NSuma.ns.cloudflare.com2026-03-06 → 2026-03-29 · 3 obs
○ 2015-10-24 23:32:36
● 2026-03-06 12:12:16
● 2026-03-29 21:43:42
○A104.151.129.1222015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 20:12:52
○ 2015-10-24 23:32:36
○ 2026-03-29 21:43:42
●A104.21.7.1002026-03-06 → 2026-03-29 · 3 obs
○ 2015-10-24 23:32:36
● 2026-03-06 12:12:16
● 2026-03-29 21:43:42
●A172.67.130.252026-03-06 → 2026-03-29 · 3 obs
○ 2015-10-24 23:32:36
● 2026-03-06 12:12:16
● 2026-03-29 21:43:42
●A2606:4700:3034::ac43:82192026-03-06 → 2026-03-29 · 3 obs
○ 2015-10-24 23:32:36
● 2026-03-06 12:12:16
● 2026-03-29 21:43:42
●A2606:4700:3035::6815:7642026-03-06 → 2026-03-29 · 3 obs
○ 2015-10-24 23:32:36
● 2026-03-06 12:12:16
● 2026-03-29 21:43:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...-
bt251.comuma.ns.cloudflare.com, kyree.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.207

NS records: uma.ns.cloudflare.com, kyree.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bt251.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.130.25, 104.21.7.100
AAAA22606:4700:3034::ac43:8219, 2606:4700:3035::6815:764
NS2kyree.ns.cloudflare.com, uma.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kyree.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bt251.com points to four IP numbers: 2606:4700:3034::ac43:8219, 2606:4700:3035::6815:764, 104.21.7.100 and 172.67.130.25.

Other host names, for instance alachpress.com, www.headwatersbc.com, soundpointcoonrapids.com, 18662.cn and ellanova.dk share IP numbers with bt251.com.

Name Servers

Delegation for bt251.com rests with two name servers, kyree.ns.cloudflare.com and uma.ns.cloudflare.com.

bt251.com shares the same name server setup as other domains, including pgu-yamal.ru, sw2ny.com, vv126.com, 1v2dj.com and montberliner.com.

bt251.com at least partially shares name servers with other domains, for instance million-holding.com, nautile.cn, gzjunjo.com, nashmoto.com and ibshar.com.

These name servers are commonly used with sarah.ns.cloudflare.com and sky.ns.cloudflare.com.

Host names with six IP numbers: kyree.ns.cloudflare.com points to: 2606:4700:58::a29f:2ccf, 2803:f800:50::6ca2:c3cf, 2a06:98c1:50::ac40:23cf, 108.162.195.207, 162.159.44.207 and 172.64.35.207. uma.ns.cloudflare.com points to: 2606:4700:50::adf5:3a92, 2803:f800:50::6ca2:c092, 2a06:98c1:50::ac40:2092, 108.162.192.146, 172.64.32.146 and 173.245.58.146.