guest-center.com - robtex.com
guest-center.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:1cf9πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:ab32πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.28.249Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.171.50πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | sandra.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:2622πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c222π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2222πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 108.162.194.34πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 162.159.38.34Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 172.64.34.34πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| NS | shane.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c39πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | shane.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c339π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | shane.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2339πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | shane.ns.cloudflare.com | ||||||
| A | 108.162.195.57πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | shane.ns.cloudflare.com | ||||||
| A | 162.159.44.57Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | shane.ns.cloudflare.com | ||||||
| A | 172.64.35.57πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | shane.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.28.249, 172.67.171.50 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1cf9, 2606:4700:3033::ac43:ab32 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com | ||||||
| SOA | sandra.ns.cloudflare.comdns@cloudflare.com serial=2409432811 | ||||||
com
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.gtld-servers.net β | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785250187 | ||||||
Same first word
guest-center.com |
DNS History
10 records (6 active, 4 former)
βNSsandra.ns.cloudflare.com2026-07-24 β 2026-07-28 Β· 2 obs
β 2026-07-28 15:07:52
βNSshane.ns.cloudflare.com2026-07-24 β 2026-07-28 Β· 2 obs
β 2026-07-28 15:07:52
βA104.21.28.2492026-07-28 β 2026-07-28 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
βA172.67.171.502026-07-28 β 2026-07-28 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
βA188.114.96.02026-07-24 β 2026-07-24 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
βA188.114.97.02026-07-24 β 2026-07-24 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
βA2606:4700:3033::6815:1cf92026-07-28 β 2026-07-28 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
βA2606:4700:3033::ac43:ab322026-07-28 β 2026-07-28 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
βA2a06:98c1:3120::2026-07-24 β 2026-07-24 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
βA2a06:98c1:3121::2026-07-24 β 2026-07-24 Β· 3 obs
β 2026-07-28 15:07:50
β 2026-07-28 15:07:52
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net... | - |
| guest-center.com | sandra.ns.cloudflare.com, shane.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.194.34
NS records: sandra.ns.cloudflare.com, shane.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for guest-center.com (unsigned zone)
β±οΈ Timing
Total: 165ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.28.249, 172.67.171.50 |
| AAAA | 2 | 2606:4700:3033::6815:1cf9, 2606:4700:3033::ac43:ab32 |
| NS | 2 | sandra.ns.cloudflare.com, shane.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | sandra.ns.cloudflare.com dns.cloudflare. |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (sandra.ns.cloudflare.com, sandra.ns.cloudflare.com, sandra.ns.cloudflare.com...)
Analysis
IP Addresses
guest-center.com has four IP addresses: 104.21.28.249, 172.67.171.50, 2606:4700:3033::6815:1cf9 and 2606:4700:3033::ac43:ab32.
Among the host names that share IP numbers with guest-center.com are mail.gxyykj.cn, variance.club, paautohouston.com and two others.
Name Servers
guest-center.com is served by two delegated name servers, sandra.ns.cloudflare.com and shane.ns.cloudflare.com.
guest-center.com has the same name server delegation as a number of other domains, such as pre-arrival-vaildate.com, opart1.com, lostosc.com and two more.
guest-center.com has at least partial name server overlap with other domains, such as hzycjt.com, scarinex.com, advogadosbrasiliadf.com.br and two others.
It is common to see these name servers used together with name servers hadlee.ns.cloudflare.com and finley.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
sandra.ns.cloudflare.com carries IP addresses 108.162.194.34, 162.159.38.34 and 172.64.34.34, with 3 other addresses beyond those.
shane.ns.cloudflare.com carries IP addresses 108.162.195.57, 162.159.44.57 and 172.64.35.57, with 3 other addresses beyond those.