551520.com - robtex.com

551520.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:deef🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:2680🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.128Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.239🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdolly.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a62🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdolly.ns.cloudflare.com
A2803:f800:50::6ca2:c062🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdolly.ns.cloudflare.com
A2a06:98c1:50::ac40:2062🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdolly.ns.cloudflare.com
A108.162.192.98🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdolly.ns.cloudflare.com
A172.64.32.98🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdolly.ns.cloudflare.com
A173.245.58.98🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdolly.ns.cloudflare.com
NSdom.ns.cloudflare.com
A2606:4700:58::adf5:3b9d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
A2803:f800:50::6ca2:c19d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdom.ns.cloudflare.com
A2a06:98c1:50::ac40:219d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdom.ns.cloudflare.com
A108.162.193.157🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
A172.64.33.157🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
A173.245.59.157🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.128, 172.67.222.239
IPv6 hints2606:4700:3034::ac43:deef, 2606:4700:3035::6815:2680
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAdolly.ns.cloudflare.comdns@cloudflare.com serial=2403463633

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=1778373341
⚠️ On DNS blocklist: tif

Same first word

551520.com

Similar names

051525.com
521550.com
150255.com
215505.com
021555.com
502155.com
052515.com
102555.com
555201.com
550125.com
550521.com
505512.com
205515.com
505152.com
155052.com
512505.com
555012.jp
505125.com
201555.com
520155.com
015552.com
515520.com

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSdolly.ns.cloudflare.comdom.ns.cloudflare.comns17.xincache.comns18.xincache.comA104.21.38.128172.67.222.2392606:4700:3034::ac43:deef2606:4700:3035::6815:268058.30.241.38
●NSdolly.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs
○ 2017-02-17 03:31:56
● 2026-05-06 21:15:58
● 2026-05-10 00:54:24
●NSdom.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs
○ 2017-02-17 03:31:56
● 2026-05-06 21:15:58
● 2026-05-10 00:54:24
○NSns17.xincache.com2015-06-13 → 2017-02-17 · 4 obs
● 2015-06-13 06:34:20
● 2017-02-17 03:31:56
○ 2026-05-06 21:15:58
○ 2026-05-10 00:54:24
○NSns18.xincache.com2015-11-13 → 2017-02-17 · 5 obs
○ 2015-06-13 06:34:20
● 2015-11-13 18:08:02
● 2017-02-17 03:31:56
○ 2026-05-06 21:15:58
○ 2026-05-10 00:54:24
●A104.21.38.1282026-05-06 → 2026-05-10 · 3 obs
○ 2017-02-17 03:31:56
● 2026-05-06 21:15:58
● 2026-05-10 00:54:24
●A172.67.222.2392026-05-06 → 2026-05-10 · 3 obs
○ 2017-02-17 03:31:56
● 2026-05-06 21:15:58
● 2026-05-10 00:54:24
●A2606:4700:3034::ac43:deef2026-05-06 → 2026-05-10 · 3 obs
○ 2017-02-17 03:31:56
● 2026-05-06 21:15:58
● 2026-05-10 00:54:24
●A2606:4700:3035::6815:26802026-05-06 → 2026-05-10 · 3 obs
○ 2017-02-17 03:31:56
● 2026-05-06 21:15:58
● 2026-05-10 00:54:24
○A58.30.241.382015-06-13 → 2017-02-17 · 4 obs
● 2015-06-13 06:34:20
● 2017-02-17 03:31:56
○ 2026-05-06 21:15:58
○ 2026-05-10 00:54:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...-
551520.comdom.ns.cloudflare.com, dolly.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.157

NS records: dom.ns.cloudflare.com, dolly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 551520.com (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.222.239, 104.21.38.128
AAAA22606:4700:3035::6815:2680, 2606:4700:3034::ac43:deef
NS2dolly.ns.cloudflare.com, dom.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dolly.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

551520.com resolves to four IP numbers: 2606:4700:3034::ac43:deef, 2606:4700:3035::6815:2680, 104.21.38.128 and 172.67.222.239.

Other host names such as silver-oak-casino-uk.com, peschang-cammas-psychologue.fr, cratersandfreightersmemphis.com, ze7s.com.cdn.cloudflare.net and bullshousing.com share IPs with 551520.com.

Name Servers

551520.com is delegated to two name servers: dolly.ns.cloudflare.com and dom.ns.cloudflare.com.

551520.com shares the same name server setup as zk4.me, 78z6.vip, yb532.vip, sska.cc and 6n87.vip.

551520.com at least partially shares name servers with other domains, for instance lrcl.com.br, keksik.com.ua, 4icg.com, aloandia.go.gov.br and docti.org.

These name servers are commonly used together with dina.ns.cloudflare.com, june.ns.cloudflare.com and jason.ns.cloudflare.com.

Host names with six IP numbers:

dolly.ns.cloudflare.com points to 2606:4700:50::adf5:3a62, 2803:f800:50::6ca2:c062, 2a06:98c1:50::ac40:2062, 108.162.192.98, 172.64.32.98 and 173.245.58.98.

dom.ns.cloudflare.com points to 2606:4700:58::adf5:3b9d, 2803:f800:50::6ca2:c19d, 2a06:98c1:50::ac40:219d, 108.162.193.157, 172.64.33.157 and 173.245.59.157.