ns1.51systems.com - robtex.com
ns1.51systems.com
| DNSSEC | β οΈ Not signed | ||||||
51systems.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::6815:3e9eπΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8912πΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.62.158Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.137.18πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | isla.ns.cloudflare.com β | ||||||
| NS | josh.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com β | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | aspmx2.googlemail.com(10) | ||||||
| MX | aspmx3.googlemail.com(10) | ||||||
| TXT | v=spf1 include:_spf.google.com ip4:149.56.140.8 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.62.158, 172.67.137.18 | ||||||
| IPv6 hints | 2606:4700:3031::6815:3e9e, 2606:4700:3037::ac43:8912 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com | ||||||
| SOA | isla.ns.cloudflare.comdns@cloudflare.com serial=2401464852 | ||||||
Previously NS for
Same first word
Similar names
DNS History
3 records (0 active, 3 former)
βA104.238.85.822017-08-25 β 2017-08-25 Β· 4 obs
β 2016-07-12 11:17:32
β 2017-08-25 03:45:42
β 2026-04-13 07:00:56
β 2026-04-24 03:09:34
β 2017-08-25 03:45:42
β 2026-04-13 07:00:56
β 2026-04-24 03:09:34
βA104.238.94.42015-12-27 β 2016-07-12 Β· 5 obs
β 2015-10-17 06:34:44
β 2015-12-27 08:06:24
β 2016-07-12 11:17:32
β 2017-08-25 03:45:42
β 2026-04-24 03:09:34
β 2015-12-27 08:06:24
β 2016-07-12 11:17:32
β 2017-08-25 03:45:42
β 2026-04-24 03:09:34
βA65.39.199.82015-06-29 β 2015-10-17 Β· 4 obs
β 2015-06-29 17:47:10
β 2015-10-17 06:34:44
β 2015-12-27 08:06:24
β 2026-04-24 03:09:34
β 2015-10-17 06:34:44
β 2015-12-27 08:06:24
β 2026-04-24 03:09:34
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51systems.com | isla.ns.cloudflare.com, josh.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.193.126
NS records: isla.ns.cloudflare.com, josh.ns.cloudflare.com
π DNSSEC Status
π Secure (DNSSEC validated)
Chain of trust verified from root to domain
β±οΈ Timing
Total: 225ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (isla.ns.cloudflare.com, isla.ns.cloudflare.com, isla.ns.cloudflare.com...)