a1checkin.com - robtex.com
a1checkin.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:47d4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:abbd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.71.212Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.189🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | lisa.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c083🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2083🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 108.162.192.131🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 172.64.32.131🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| A | 173.245.58.131🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lisa.ns.cloudflare.com | ||||||
| NS | tim.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b91🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c191🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2191🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 108.162.193.145🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 172.64.33.145🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 173.245.59.145🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.71.212, 172.67.171.189 | ||||||
| IPv6 hints | 2606:4700:3031::6815:47d4, 2606:4700:3037::ac43:abbd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com | ||||||
| SOA | lisa.ns.cloudflare.comdns@cloudflare.com serial=2398547045 | ||||||
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=1775992297 | ||||||
Same first word
a1checkin.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSlisa.ns.cloudflare.com2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 11:32:04
●NStim.ns.cloudflare.com2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 11:32:04
●A104.21.71.2122026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 11:32:04
●A172.67.171.1892026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 11:32:04
●A2606:4700:3031::6815:47d42026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 11:32:04
●A2606:4700:3037::ac43:abbd2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 11:32:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| a1checkin.com | lisa.ns.cloudflare.com, tim.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.145
NS records: lisa.ns.cloudflare.com, tim.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a1checkin.com (unsigned zone)
⏱️ Timing
Total: 144ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.171.189, 104.21.71.212 |
| AAAA | 2 | 2606:4700:3037::ac43:abbd, 2606:4700:3031::6815:47d4 |
| NS | 2 | lisa.ns.cloudflare.com, tim.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | lisa.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (lisa.ns.cloudflare.com, lisa.ns.cloudflare.com, lisa.ns.cloudflare.com...)
Analysis
IP Addresses
a1checkin.com resolves to four IP numbers: 2606:4700:3031::6815:47d4, 2606:4700:3037::ac43:abbd, 104.21.71.212 and 172.67.171.189.
Other host names such as upeex.com, smartfitnesssystems.com, 11ik.com, betsmove650.com and contourdimage.com share IPs with a1checkin.com.
Name Servers
a1checkin.com is delegated to two name servers: lisa.ns.cloudflare.com and tim.ns.cloudflare.com.
a1checkin.com shares the same name server setup as wietplace.nl, hikvision-plus.com, sd.nu, dupagetaxi.com and eelec.co.uk.
a1checkin.com at least partially shares name servers with other domains, for instance aktis.be, 9v6ew7.com, gmail-pc.com, aarav.co and colibri777.com.
These name servers are commonly used with adrian.ns.cloudflare.com and ken.ns.cloudflare.com.
Host names with six IP numbers:
lisa.ns.cloudflare.com points to 2606:4700:50::adf5:3a83, 2803:f800:50::6ca2:c083, 2a06:98c1:50::ac40:2083, 108.162.192.131, 172.64.32.131 and 173.245.58.131.
tim.ns.cloudflare.com points to 2606:4700:58::adf5:3b91, 2803:f800:50::6ca2:c191, 2a06:98c1:50::ac40:2191, 108.162.193.145, 172.64.33.145 and 173.245.59.145.