ddjuniversity.com - robtex.com
ddjuniversity.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:559c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:cf52🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.85.156Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.207.82🇺🇸 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:d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.ubmdns.com | ||||||
| A | 162.159.0.208Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.ubmdns.com | ||||||
| A | 2400:cb00:2049:1::a29f:1d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns2.ubmdns.com | ||||||
| A | 162.159.1.208Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.ubmdns.com | ||||||
| TXT | v=spf1 mx include:spf.ubm-us.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.85.156, 172.67.207.82 | ||||||
| IPv6 hints | 2606:4700:3036::6815:559c, 2606:4700:3037::ac43:cf52 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=71, name=cloudflare-ech.com | ||||||
| SOA | ns1.ubmdns.comdns@cloudflare.com serial=2403280295 | ||||||
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=1778395406 | ||||||
Same first word
ddjuniversity.com |
DNS History
22 records (6 active, 16 former)
○NSns1.ubm-us.net2015-08-20 → 2017-03-28 · 4 obs
● 2015-08-20 01:33:06
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
●NSns1.ubmdns.com2020-03-07 → 2026-05-10 · 3 obs
○ 2017-03-28 13:48:46
● 2020-03-07 23:39:26
● 2026-05-10 07:03:54
● 2020-03-07 23:39:26
● 2026-05-10 07:03:54
○NSns2.ubm-us.net2015-08-20 → 2017-03-28 · 4 obs
● 2015-08-20 01:33:06
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
●NSns2.ubmdns.com2020-03-07 → 2026-05-10 · 3 obs
○ 2017-03-28 13:48:46
● 2020-03-07 23:39:26
● 2026-05-10 07:03:54
● 2020-03-07 23:39:26
● 2026-05-10 07:03:54
○NSns3.ubm-us.net2015-08-20 → 2017-03-28 · 4 obs
● 2015-08-20 01:33:06
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
○MXmailhost.ubm-us.net2015-08-20 → 2026-02-16 · 4 obs
● 2015-08-20 01:33:06
● 2026-02-16 00:44:54
○ 2026-02-18 21:30:40
○ 2026-05-10 07:03:54
● 2026-02-16 00:44:54
○ 2026-02-18 21:30:40
○ 2026-05-10 07:03:54
●A104.21.85.1562026-02-16 → 2026-05-10 · 9 obs
○ 2020-03-07 23:39:26
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
○A104.27.166.772020-03-07 → 2020-03-07 · 4 obs
○ 2017-03-28 13:48:46
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
○A104.27.167.772020-03-07 → 2020-03-07 · 4 obs
○ 2017-03-28 13:48:46
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
●A172.67.207.822026-02-16 → 2026-05-10 · 9 obs
○ 2020-03-07 23:39:26
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
○A188.114.96.02026-03-20 → 2026-04-09 · 7 obs
○ 2026-03-19 10:09:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
○A188.114.97.02026-03-20 → 2026-04-09 · 7 obs
○ 2026-03-19 10:09:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
○A192.155.42.932017-03-28 → 2017-03-28 · 4 obs
○ 2016-07-13 12:26:42
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
○A192.155.48.932015-08-20 → 2016-07-13 · 4 obs
● 2015-08-20 01:33:06
● 2016-07-13 12:26:42
○ 2017-03-28 13:48:46
○ 2026-05-10 07:03:54
● 2016-07-13 12:26:42
○ 2017-03-28 13:48:46
○ 2026-05-10 07:03:54
○A2606:4700:3031::681b:a64d2020-03-07 → 2020-03-07 · 4 obs
○ 2017-03-28 13:48:46
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
○A2606:4700:3034::681b:a74d2020-03-07 → 2020-03-07 · 4 obs
○ 2017-03-28 13:48:46
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
● 2020-03-07 23:39:26
○ 2026-02-16 00:44:54
○ 2026-05-10 07:03:54
●A2606:4700:3036::6815:559c2026-02-16 → 2026-05-10 · 9 obs
○ 2020-03-07 23:39:26
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
●A2606:4700:3037::ac43:cf522026-02-16 → 2026-05-10 · 9 obs
○ 2020-03-07 23:39:26
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
● 2026-02-16 00:44:54
● 2026-03-19 10:09:54
○ 2026-03-20 10:48:54
● 2026-03-27 21:53:24
● 2026-04-09 01:17:42
○ 2026-04-09 14:39:52
● 2026-05-02 03:38:22
● 2026-05-10 07:03:54
○A2620:103::192:155:48:932015-08-20 → 2016-07-13 · 4 obs
● 2015-08-20 01:33:06
● 2016-07-13 12:26:42
○ 2017-03-28 13:48:46
○ 2026-05-10 07:03:54
● 2016-07-13 12:26:42
○ 2017-03-28 13:48:46
○ 2026-05-10 07:03:54
○A2620:103:1:1:192:155:42:932017-03-28 → 2017-03-28 · 4 obs
○ 2016-07-13 12:26:42
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
● 2017-03-28 13:48:46
○ 2020-03-07 23:39:26
○ 2026-05-10 07:03:54
○A2a06:98c1:3120::2026-03-20 → 2026-04-09 · 7 obs
○ 2026-03-19 10:09:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
○A2a06:98c1:3121::2026-03-20 → 2026-04-09 · 7 obs
○ 2026-03-19 10:09:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
● 2026-03-20 10:48:54
○ 2026-03-27 21:53:24
○ 2026-04-09 01:17:42
● 2026-04-09 14:39:52
○ 2026-05-02 03:38:22
○ 2026-05-10 07:03:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ddjuniversity.com | ns1.ubmdns.com, ns2.ubmdns.com | 2 records |
✅ Authoritative Response
Server:162.159.1.208
NS records: ns1.ubmdns.com, ns2.ubmdns.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 429ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.85.156, 172.67.207.82 |
| AAAA | 2 | 2606:4700:3037::ac43:cf52, 2606:4700:3036::6815:559c |
| 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
ddjuniversity.com maps to four IP numbers: 2606:4700:3036::6815:559c, 2606:4700:3037::ac43:cf52, 104.21.85.156 and 172.67.207.82.
other host names include twentynineinches.com, mail.lindaparks.com, atrajanitorialsupply.com, atxky.com and tonrevenue.space; they share IP numbers with ddjuniversity.com.
Name Servers
Two name servers ns1.ubmdns.com and ns2.ubmdns.com handle the delegation for ddjuniversity.com.
ddjuniversity.com shares the same name server setup as other domains, for instance ifi-online.com, riotconf.com, esideafactory.org, biomedec.eu and fashionawards.tv.
Host names with two IP numbers:
ns1.ubmdns.com points to 2400:cb00:2049:1::a29f:d0 and 162.159.0.208.
ns2.ubmdns.com points to 2400:cb00:2049:1::a29f:1d0 and 162.159.1.208.