learnhtml5book.com - robtex.com
learnhtml5book.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.91.18.7🇸🇨 MYCLOUD-AS-AP154.91.16.0/20 CloudFly Net Inc Pending | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1776324188 | ||||||
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=1777554216 | ||||||
Previously MX for
learnhtml5book.com |
Same first word
learnhtml5book.com |
DNS History
10 records (5 active, 5 former)
●NSns1.judns.com2026-04-14 → 2026-04-30 · 3 obs
● 2026-04-14 06:09:02
● 2026-04-30 13:29:58
●NSns1.julydns.com2026-04-14 → 2026-04-30 · 3 obs
● 2026-04-14 06:09:02
● 2026-04-30 13:29:58
●NSns2.judns.com2026-04-14 → 2026-04-30 · 3 obs
● 2026-04-14 06:09:02
● 2026-04-30 13:29:58
●NSns2.julydns.com2026-04-14 → 2026-04-30 · 3 obs
● 2026-04-14 06:09:02
● 2026-04-30 13:29:58
○NSns51.websitewelcome.com2015-07-15 → 2017-03-23 · 4 obs
● 2017-03-23 19:22:48
○ 2026-04-14 06:09:02
○ 2026-04-30 13:29:58
○NSns52.websitewelcome.com2015-07-15 → 2017-03-23 · 4 obs
● 2017-03-23 19:22:48
○ 2026-04-14 06:09:02
○ 2026-04-30 13:29:58
○MXlearnhtml5book.com2015-07-15 → 2017-03-23 · 4 obs
● 2017-03-23 19:22:48
○ 2026-04-14 06:09:02
○ 2026-04-30 13:29:58
○A104.143.137.1742026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 06:09:02
○ 2026-04-30 13:29:58
●A154.91.18.72026-04-30 → 2026-04-30 · 2 obs
● 2026-04-30 13:29:58
○A192.185.140.2112015-07-15 → 2017-03-23 · 4 obs
● 2017-03-23 19:22:48
○ 2026-04-14 06:09:02
○ 2026-04-30 13:29:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| learnhtml5book.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learnhtml5book.com (unsigned zone)
⏱️ Timing
Total: 322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.91.18.7 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
IP Addresses
learnhtml5book.com points to a single IP address: 154.91.18.7.
Name Servers
learnhtml5book.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
learnhtml5book.com at least partially shares name servers with other domains, for example youtuyou.com, guestbooks.net, henancaiyun.cn, dogipa.com and ucsso.com.
ns1.judns.com points to 162.159.27.251
ns2.judns.com points to 162.159.27.251
ns1.julydns.com points to 162.159.48.223
ns2.julydns.com points to 162.159.48.223
ns1.judns.com and ns2.judns.com point to 162.159.27.251
ns1.julydns.com and ns2.julydns.com point to 162.159.48.223