mx.gcosoftware.com - dns.ninja
mx.gcosoftware.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:1f33🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:aefc🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.31.51Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.174.252🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.31.51, 172.67.174.252 | ||||||
| IPv6 hints | 2606:4700:3030::6815:1f33, 2606:4700:3035::ac43:aefc | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com | ||||||
gcosoftware.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:1f33🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:aefc🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.31.51Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.174.252🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | serena.ns.cloudflare.com ⭐ | ||||||
| NS | weston.ns.cloudflare.com | ||||||
| MX | _dc-mx.90f82c6331c2.gcosoftware.com ⭐ | ||||||
| MX | _dc-mx.0961ea40488e.gcosoftware.com(10) | ||||||
| TXT | google-site-verification=6fbaep3bcvVHmbu_TdJwM-iLIwDSQKT4_N9FXZ7xixk | ||||||
| TXT | v=spf1 a mx -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.31.51, 172.67.174.252 | ||||||
| IPv6 hints | 2606:4700:3030::6815:1f33, 2606:4700:3035::ac43:aefc | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com | ||||||
| SOA | serena.ns.cloudflare.comdns@cloudflare.com serial=2406672920 | ||||||
WOT: SAFE (1/100)
Previously MX for
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
●A104.21.31.512026-05-12 → 2026-07-05 · 3 obs
○ 2016-07-22 14:26:24
● 2026-05-12 08:30:46
● 2026-07-05 09:49:48
● 2026-05-12 08:30:46
● 2026-07-05 09:49:48
○A104.243.33.2462016-03-15 → 2016-07-22 · 5 obs
○ 2015-12-10 20:47:32
● 2016-03-15 06:27:18
● 2016-07-22 14:26:24
○ 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
● 2016-03-15 06:27:18
● 2016-07-22 14:26:24
○ 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
●A172.67.174.2522026-05-12 → 2026-07-05 · 3 obs
○ 2016-07-22 14:26:24
● 2026-05-12 08:30:46
● 2026-07-05 09:49:48
● 2026-05-12 08:30:46
● 2026-07-05 09:49:48
○A192.99.111.2242015-08-10 → 2015-12-10 · 4 obs
● 2015-08-10 17:32:24
● 2015-12-10 20:47:32
○ 2016-03-15 06:27:18
○ 2026-07-05 09:49:48
● 2015-12-10 20:47:32
○ 2016-03-15 06:27:18
○ 2026-07-05 09:49:48
●A2606:4700:3030::6815:1f332026-07-05 → 2026-07-05 · 2 obs
○ 2026-05-12 08:30:46
● 2026-07-05 09:49:48
● 2026-07-05 09:49:48
○A2606:4700:3032::ac43:aefc2026-05-12 → 2026-05-12 · 3 obs
○ 2016-07-22 14:26:24
● 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
● 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
○A2606:4700:3035::6815:1f332026-05-12 → 2026-05-12 · 3 obs
○ 2016-07-22 14:26:24
● 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
● 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
●A2606:4700:3035::ac43:aefc2026-07-05 → 2026-07-05 · 2 obs
○ 2026-05-12 08:30:46
● 2026-07-05 09:49:48
● 2026-07-05 09:49:48
○A2607:5300:60:5112:0:1:4a10:de4a2015-12-10 → 2015-12-10 · 4 obs
○ 2015-08-10 17:32:24
● 2015-12-10 20:47:32
○ 2016-03-15 06:27:18
○ 2026-07-05 09:49:48
● 2015-12-10 20:47:32
○ 2016-03-15 06:27:18
○ 2026-07-05 09:49:48
○A2607:5300:60:5112:0:1:949a:69372015-12-10 → 2015-12-10 · 4 obs
○ 2015-08-10 17:32:24
● 2015-12-10 20:47:32
○ 2016-03-15 06:27:18
○ 2026-07-05 09:49:48
● 2015-12-10 20:47:32
○ 2016-03-15 06:27:18
○ 2026-07-05 09:49:48
○CNAMEgcosoftware.com2015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 17:32:24
○ 2015-12-10 20:47:32
○ 2026-07-05 09:49:48
○ 2015-12-10 20:47:32
○ 2026-07-05 09:49:48
○CNAMEmail.gcosoftware.com2015-12-10 → 2016-07-22 · 5 obs
○ 2015-08-10 17:32:24
● 2015-12-10 20:47:32
● 2016-07-22 14:26:24
○ 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
● 2015-12-10 20:47:32
● 2016-07-22 14:26:24
○ 2026-05-12 08:30:46
○ 2026-07-05 09:49:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net... | - |
| gcosoftware.com | serena.ns.cloudflare.com, weston.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.220
NS records: serena.ns.cloudflare.com, weston.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gcosoftware.com (unsigned zone)
⏱️ Timing
Total: 121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.31.51, 172.67.174.252 |
| AAAA | 2 | 2606:4700:3030::6815:1f33, 2606:4700:3035::ac43:aefc |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (serena.ns.cloudflare.com, serena.ns.cloudflare.com, serena.ns.cloudflare.com...)
Analysis
IP Addresses
mx.gcosoftware.com points to the four IP addresses 104.21.31.51, 172.67.174.252, 2606:4700:3030::6815:1f33 and 2606:4700:3035::ac43:aefc.
Two other host names, along with trasfladro.news, jackpotoffer24.com and peizi258.com, also share IP numbers with mx.gcosoftware.com.