ispfirst.com - robtex.com
ispfirst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:bb20🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:4c2b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.76.43Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.187.32🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | clark.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clark.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c157🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | clark.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2157🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | clark.ns.cloudflare.com | ||||||
| A | 108.162.193.87🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.33.87🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.59.87🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | sureena.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:267e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c27e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:227e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 108.162.194.126🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 162.159.38.126Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 172.64.34.126🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.76.43, 172.67.187.32 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:bb20, 2606:4700:3037::6815:4c2b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com | ||||||
| SOA | clark.ns.cloudflare.comdns@cloudflare.com serial=2419870299 | ||||||
com
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1794458781 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSclark.ns.cloudflare.com2026-11-11 → 2026-11-12 · 2 obs
● 2026-11-12 04:56:50
●NSsureena.ns.cloudflare.com2026-11-11 → 2026-11-12 · 2 obs
● 2026-11-12 04:56:50
●A104.21.76.432026-11-11 → 2026-11-12 · 2 obs
● 2026-11-12 04:56:50
●A172.67.187.322026-11-11 → 2026-11-12 · 2 obs
● 2026-11-12 04:56:50
●A2606:4700:3035::ac43:bb202026-11-11 → 2026-11-12 · 2 obs
● 2026-11-12 04:56:50
●A2606:4700:3037::6815:4c2b2026-11-11 → 2026-11-12 · 2 obs
● 2026-11-12 04:56:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ispfirst.com | clark.ns.cloudflare.com, sureena.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.126
NS records: clark.ns.cloudflare.com, sureena.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ispfirst.com (unsigned zone)
⏱️ Timing
Total: 162ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.187.32, 104.21.76.43 |
| AAAA | 2 | 2606:4700:3035::ac43:bb20, 2606:4700:3037::6815:4c2b |
| NS | 2 | clark.ns.cloudflare.com, sureena.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | clark.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (clark.ns.cloudflare.com, clark.ns.cloudflare.com, clark.ns.cloudflare.com...)
Analysis
IP Addresses
ispfirst.com has four IP addresses: 104.21.76.43, 172.67.187.32, 2606:4700:3035::ac43:bb20 and 2606:4700:3037::6815:4c2b.
Two other host names, along with szytsf.com, outrepel.co and rumblepr.com, also share IP numbers with ispfirst.com.
Name Servers
DNS delegation for ispfirst.com points to two name servers: clark.ns.cloudflare.com and sureena.ns.cloudflare.com.
ispfirst.com shares its NS records with other domains, for example memancoi.pages.dev, qcdashboardportal.pages.dev, findtexasschools.com and two others.
ispfirst.com has at least partial name server overlap with other domains, such as bro138-login.pages.dev, landshare-claim.pages.dev, vholopainen.workers.dev and two others.
These name servers tend to appear together with the name servers dell.ns.cloudflare.com, ns1.jointertulia.com and ns2.jointertulia.com.
DNS names with 6 IP addresses:
clark.ns.cloudflare.com has IP addresses 108.162.193.87, 172.64.33.87 and 173.245.59.87, plus 3 other.
sureena.ns.cloudflare.com has IP addresses 108.162.194.126, 162.159.38.126 and 172.64.34.126, plus 3 other.