linux-it.com - dns.ninja
linux-it.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3031::ac43:c738🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:347d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.52.125Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.56🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ns1.ubmdns.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:d0Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.0.208 | ||||||
| NS | ns2.ubmdns.com | ||||||
| A | 2400:cb00:2049:1::a29f:1d0Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.1.208 | ||||||
| TXT | v=spf1 mx include:spf.ubm-us.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.52.125, 172.67.199.56 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:c738, 2606:4700:3035::6815:347d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com | ||||||
| SOA | ns1.ubmdns.comdns@cloudflare.com serial=2404972206 | ||||||
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=1783101561 | ||||||
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
○NSns1.ubm-us.net2015-07-17 → 2017-02-13 · 4 obs
● 2015-07-17 07:14:54
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
●NSns1.ubmdns.com2026-02-14 → 2026-07-03 · 3 obs
○ 2017-02-13 02:43:10
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
○NSns2.ubm-us.net2015-07-17 → 2017-02-13 · 4 obs
● 2015-07-17 07:14:54
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
●NSns2.ubmdns.com2026-02-14 → 2026-07-03 · 3 obs
○ 2017-02-13 02:43:10
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
○NSns3.ubm-us.net2015-07-17 → 2017-02-13 · 4 obs
● 2015-07-17 07:14:54
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
○MXmailhost.mfi.com2015-07-17 → 2026-02-16 · 4 obs
● 2015-07-17 07:14:54
● 2026-02-16 00:30:32
○ 2026-02-27 22:00:50
○ 2026-07-03 18:03:22
● 2026-02-16 00:30:32
○ 2026-02-27 22:00:50
○ 2026-07-03 18:03:22
●A104.21.52.1252026-02-14 → 2026-07-03 · 3 obs
○ 2017-02-13 02:43:10
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
●A172.67.199.562026-02-14 → 2026-07-03 · 3 obs
○ 2017-02-13 02:43:10
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
○A192.155.42.932017-02-13 → 2017-02-13 · 4 obs
○ 2016-06-22 13:10:36
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
○A192.155.48.932015-07-17 → 2016-06-22 · 4 obs
● 2015-07-17 07:14:54
● 2016-06-22 13:10:36
○ 2017-02-13 02:43:10
○ 2026-07-03 18:03:22
● 2016-06-22 13:10:36
○ 2017-02-13 02:43:10
○ 2026-07-03 18:03:22
●A2606:4700:3031::ac43:c7382026-02-14 → 2026-07-03 · 3 obs
○ 2017-02-13 02:43:10
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
●A2606:4700:3035::6815:347d2026-02-14 → 2026-07-03 · 3 obs
○ 2017-02-13 02:43:10
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
● 2026-02-14 23:16:32
● 2026-07-03 18:03:22
○A2620:103::192:155:48:932015-07-17 → 2016-06-22 · 4 obs
● 2015-07-17 07:14:54
● 2016-06-22 13:10:36
○ 2017-02-13 02:43:10
○ 2026-07-03 18:03:22
● 2016-06-22 13:10:36
○ 2017-02-13 02:43:10
○ 2026-07-03 18:03:22
○A2620:103:1:1:192:155:42:932017-02-13 → 2017-02-13 · 4 obs
○ 2016-06-22 13:10:36
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
● 2017-02-13 02:43:10
○ 2026-02-14 23:16:32
○ 2026-07-03 18:03:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net... | - |
| linux-it.com | ns1.ubmdns.com, ns2.ubmdns.com | 2 records |
✅ Authoritative Response
Server:162.159.0.208
NS records: ns1.ubmdns.com, ns2.ubmdns.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1855ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.52.125, 172.67.199.56 |
| AAAA | 2 | 2606:4700:3031::6815:347d, 2606:4700:3036::ac43:c738 |
| NS | 2 | ns1.ubmdns.com, ns2.ubmdns.com |
| TXT | 1 | v=spf1 mx include:spf.ubm-us.net -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ns1.ubmdns.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.ubmdns.com, ns2.ubmdns.com)
Analysis
IP Addresses
linux-it.com resolves to four IP addresses: 104.21.52.125, 172.67.199.56, 2606:4700:3031::ac43:c738 and 2606:4700:3035::6815:347d.
Name Servers
The NS records for linux-it.com delegate to ns1.ubmdns.com and ns2.ubmdns.com.
ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. Likewise, ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0 — two IP addresses apiece.