mail.dvsystems.co - robtex.com
mail.dvsystems.co
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700::6812:1485πΊπΈ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700::6812:1585πΊπΈ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.18.20.133Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.18.21.133Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| HTTPS | HTTP/2 β hints match | ||||||
| IPv4 hints | 104.18.20.133, 104.18.21.133 | ||||||
| IPv6 hints | 2606:4700::6812:1485, 2606:4700::6812:1585 | ||||||
dvsystems.co
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700::6812:1485πΊπΈ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700::6812:1585πΊπΈ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.18.20.133Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.18.21.133Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | joan.ns.cloudflare.com β | ||||||
| NS | owen.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/2 β hints match | ||||||
| IPv4 hints | 104.18.20.133, 104.18.21.133 | ||||||
| IPv6 hints | 2606:4700::6812:1485, 2606:4700::6812:1585 | ||||||
| SOA | joan.ns.cloudflare.comdns@cloudflare.com serial=2403794824 | ||||||
Previously MX for
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
βA104.18.20.1332026-03-22 β 2026-05-10 Β· 3 obs
β 2016-07-03 09:11:22
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
βA104.18.21.1332026-03-22 β 2026-05-10 Β· 3 obs
β 2016-07-03 09:11:22
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
βA2606:4700::6812:14852026-03-22 β 2026-05-10 Β· 3 obs
β 2016-07-03 09:11:22
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
βA2606:4700::6812:15852026-03-22 β 2026-05-10 Β· 3 obs
β 2016-07-03 09:11:22
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
βA50.22.174.72015-08-14 β 2016-07-03 Β· 4 obs
β 2015-08-14 16:40:22
β 2016-07-03 09:11:22
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
β 2016-07-03 09:11:22
β 2026-03-22 19:10:30
β 2026-05-10 22:26:54
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| dvsystems.co | joan.ns.cloudflare.com, owen.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.32.173
NS records: joan.ns.cloudflare.com, owen.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for dvsystems.co (unsigned zone)
β±οΈ Timing
Total: 471ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.18.21.133, 104.18.20.133 |
| AAAA | 2 | 2606:4700::6812:1585, 2606:4700::6812:1485 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
Analysis
IP Addresses
Four IP numbers are pointed to by mail.dvsystems.co: 2606:4700::6812:1485, 2606:4700::6812:1585, 104.18.20.133 and 104.18.21.133.
other host names including mechetronics.co.uk, dvsystems.co, mail2.vaxjo.com, reachreactor.ca and smlinc.com share IP numbers with mail.dvsystems.co.