mail.system21.it - dns.ninja
mail.system21.it
| DNSSEC | β οΈ Not signed | ||||||
| A | 2a03:4000:6b:10a:589b:deff:fe39:2db7π©πͺ netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | mail.system21.it | ||||||
| A | 152.53.14.146π¦πΉ netcup-AS152.53.12.0/22 | ||||||
system21.it
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:1d4dπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:9498πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.29.77Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.148.152πΊπΈ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | dahlia.ns.cloudflare.com β | ||||||
| NS | terin.ns.cloudflare.com | ||||||
| MX | mail.system21.it β | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.29.77, 172.67.148.152 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1d4d, 2606:4700:3036::ac43:9498 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com | ||||||
| SOA | dahlia.ns.cloudflare.comdns@cloudflare.com serial=2405597750 | ||||||
PTR for
MX for
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
βA152.53.14.1462026-02-17 β 2026-06-30 Β· 3 obs
β 2018-09-04 06:11:22
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
βA185.244.194.912018-09-04 β 2018-09-04 Β· 3 obs
β 2018-09-04 06:11:22
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
βA2a03:4000:27:287::12018-09-04 β 2018-09-04 Β· 3 obs
β 2018-09-04 06:11:22
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
βA2a03:4000:6b:10a:589b:deff:fe39:2db72026-02-17 β 2026-06-30 Β· 3 obs
β 2018-09-04 06:11:22
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
β 2026-02-17 19:40:20
β 2026-06-30 16:29:54
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| it | a.dns.it, m.dns.it, r.dns.it, v.dns.it... | - |
| system21.it | terin.ns.cloudflare.com, dahlia.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.33.236
NS records: terin.ns.cloudflare.com, dahlia.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for system21.it (unsigned zone)
β±οΈ Timing
Total: 842ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 152.53.14.146 |
| AAAA | 1 | 2a03:4000:6b:10a:589b:deff:fe39:2db7 |
Analysis
Mail Server Role
mail.system21.it acts as the mail server for nodely.de, spielmannszug-canstein.de, feuerwehr-canstein.de and system21.it.
IP Addresses
mail.system21.it has two IP addresses: 152.53.14.146 and 2a03:4000:6b:10a:589b:deff:fe39:2db7