yybook.cc - robtex.com
yybook.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:460d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:d9b2🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.70.13Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.217.178🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | erin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c071🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2071🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 108.162.192.113🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 172.64.32.113🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 173.245.58.113🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| NS | leo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cf1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23f1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 108.162.195.241🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 162.159.44.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 172.64.35.241🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.70.13, 172.67.217.178 | ||||||
| IPv6 hints | 2606:4700:3032::6815:460d, 2606:4700:3036::ac43:d9b2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com | ||||||
| SOA | erin.ns.cloudflare.comdns@cloudflare.com serial=2398385689 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1777136162 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSerin.ns.cloudflare.com2026-04-01 → 2026-04-25 · 2 obs
● 2026-04-25 17:17:34
●NSleo.ns.cloudflare.com2026-04-01 → 2026-04-25 · 2 obs
● 2026-04-25 17:17:34
●A104.21.70.132026-04-01 → 2026-04-25 · 2 obs
● 2026-04-25 17:17:34
●A172.67.217.1782026-04-01 → 2026-04-25 · 2 obs
● 2026-04-25 17:17:34
●A2606:4700:3032::6815:460d2026-04-01 → 2026-04-25 · 2 obs
● 2026-04-25 17:17:34
●A2606:4700:3036::ac43:d9b22026-04-01 → 2026-04-25 · 2 obs
● 2026-04-25 17:17:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac4.nstld.com, ac3.nstld.com, ac1.nstld.com, ac2.nstld.com | - |
| yybook.cc | erin.ns.cloudflare.com, leo.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.241
NS records: erin.ns.cloudflare.com, leo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yybook.cc (unsigned zone)
⏱️ Timing
Total: 193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.217.178, 104.21.70.13 |
| AAAA | 2 | 2606:4700:3036::ac43:d9b2, 2606:4700:3032::6815:460d |
| NS | 2 | erin.ns.cloudflare.com, leo.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | erin.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
yybook.cc maps to four IP numbers: 2606:4700:3032::6815:460d, 2606:4700:3036::ac43:d9b2, 104.21.70.13 and 172.67.217.178.
Other host names, for instance ns2.redelojas.com, okprint.az, trinavestulo.com, nitsa.com and sermonplayer.com share IP numbers with yybook.cc.
Name Servers
Two name servers erin.ns.cloudflare.com and leo.ns.cloudflare.com are delegated to yybook.cc.
yybook.cc uses the same name server configuration as other domains, such as 2100zw.com, ssyy788.com, yvgwaffy.xyz, wgshu.com and 5j4hn9.lol.
yybook.cc at least partially shares name servers with other domains such as pequ.es, imnkch.garden, ezbible.org, tbretirement.com and eft.pt.
these name servers are commonly used with the name servers phoenix.ns.cloudflare.com.
Host names with six IP numbers: Host name erin.ns.cloudflare.com points to 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113; host name leo.ns.cloudflare.com points to 2606:4700:58::a29f:2cf1, 2803:f800:50::6ca2:c3f1, 2a06:98c1:50::ac40:23f1, 108.162.195.241, 162.159.44.241 and 172.64.35.241.