usstringshub.com - robtex.com
usstringshub.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:6ac🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8710🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.6.172Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.135.16🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | donald.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donald.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c19e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | donald.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:219e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | donald.ns.cloudflare.com | ||||||
| A | 108.162.193.158🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donald.ns.cloudflare.com | ||||||
| A | 172.64.33.158🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donald.ns.cloudflare.com | ||||||
| A | 173.245.59.158🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donald.ns.cloudflare.com | ||||||
| NS | katja.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2635🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katja.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c235🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | katja.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2235🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | katja.ns.cloudflare.com | ||||||
| A | 108.162.194.53🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katja.ns.cloudflare.com | ||||||
| A | 162.159.38.53Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katja.ns.cloudflare.com | ||||||
| A | 172.64.34.53🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katja.ns.cloudflare.com | ||||||
| MX | route2.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route3.mx.cloudflare.net(57) | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(98) | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| TXT | google-site-verification=YI3TCodnzjYalI0tkSR7Qr9rDR7t21JdY2adLKX1Q08 | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.6.172, 172.67.135.16 | ||||||
| IPv6 hints | 2606:4700:3037::6815:6ac, 2606:4700:3037::ac43:8710 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com | ||||||
| SOA | donald.ns.cloudflare.comdns@cloudflare.com serial=2400524859 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| 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=1775227032 | ||||||
Same first word
usstringshub.com |
DNS History
9 records (9 active, 0 former)
●NSdonald.ns.cloudflare.com2026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●NSkatja.ns.cloudflare.com2026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●MXroute1.mx.cloudflare.net2026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●MXroute2.mx.cloudflare.net2026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●MXroute3.mx.cloudflare.net2026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●A104.21.6.1722026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●A172.67.135.162026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●A2606:4700:3037::6815:6ac2026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
●A2606:4700:3037::ac43:87102026-04-02 → 2026-04-03 · 2 obs
● 2026-04-03 14:43:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net... | - |
| usstringshub.com | donald.ns.cloudflare.com, katja.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.158
NS records: donald.ns.cloudflare.com, katja.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usstringshub.com (unsigned zone)
⏱️ Timing
Total: 192ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.6.172, 172.67.135.16 |
| AAAA | 2 | 2606:4700:3037::6815:6ac, 2606:4700:3037::ac43:8710 |
| NS | 2 | donald.ns.cloudflare.com, katja.ns.cloudflare.com |
| MX | 3 | route2.mx.cloudflare.net (pri: 32), route3.mx.cloudflare.net (pri: 57)... |
| TXT | 2 | google-site-verification=YI3TCodnzjYalI0, v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | donald.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (donald.ns.cloudflare.com, donald.ns.cloudflare.com, donald.ns.cloudflare.com...)
Analysis
IP Addresses
usstringshub.com resolves to four IPs: 2606:4700:3037::6815:6ac, 2606:4700:3037::ac43:8710, 104.21.6.172 and 172.67.135.16.
Other host names, for instance 2.toto919wer.lol, www.majalahlabur.com, ojghtchc.courses, loftium.com and edafans.cn share IP numbers with usstringshub.com.
Name Servers
usstringshub.com has two name servers: donald.ns.cloudflare.com and katja.ns.cloudflare.com.
usstringshub.com shares the same name server setup as other domains, for example cruisebyte.com, bijoucoeur.com, homeelectronicspro.com, fahrtechnikteile.com and legala.ru.
usstringshub.com shares some name servers with other domains, for example fatenidiziuscollectiveltd.digital, rulqx.com, nafaxulalaoninvestments.pics, digitalbase-360.digital and lumenlab-sly.click.
These name servers are commonly used together with magnolia.ns.cloudflare.com and penny.ns.cloudflare.com.
Host names with six IP numbers: donald.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9e, 2803:f800:50::6ca2:c19e, 2a06:98c1:50::ac40:219e, 108.162.193.158, 172.64.33.158 and 173.245.59.158; katja.ns.cloudflare.com points to: 2606:4700:50::a29f:2635, 2803:f800:50::6ca2:c235, 2a06:98c1:50::ac40:2235, 108.162.194.53, 162.159.38.53 and 172.64.34.53.
Mail Servers
usstringshub.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
usstringshub.com shares some mail servers with other domains, at least partially; for instance thegioiwordpress.com, strik.com.au, stnservers.com, doodkin.com and seepuertorico.com.
Host names with six IP numbers:
route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13
route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19
route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25