embeddedsystemsprogrammingbookstore.com - robtex.com
embeddedsystemsprogrammingbookstore.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:a14a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:f21🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.15.33Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.161.74🇺🇸 Cloudflare172.67.160.0/20 , 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 | 104.21.15.33, 172.67.161.74 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:a14a, 2606:4700:3037::6815:f21 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=183, name=cloudflare-ech.com | ||||||
| SOA | ns1.ubmdns.comdns@cloudflare.com serial=2410486336 | ||||||
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=1785042167 | ||||||
Same first word
embeddedsystemsprogrammingbookstore.com |
DNS History
18 records (6 active, 12 former)
○NSns1.ubm-us.net2015-08-07 → 2016-12-23 · 4 obs
● 2015-08-07 11:25:56
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
●NSns1.ubmdns.com2018-10-16 → 2026-07-26 · 3 obs
○ 2016-12-23 04:01:22
● 2018-10-16 02:30:52
● 2026-07-26 05:05:26
● 2018-10-16 02:30:52
● 2026-07-26 05:05:26
○NSns2.ubm-us.net2015-08-07 → 2016-12-23 · 4 obs
● 2015-08-07 11:25:56
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
●NSns2.ubmdns.com2018-10-16 → 2026-07-26 · 3 obs
○ 2016-12-23 04:01:22
● 2018-10-16 02:30:52
● 2026-07-26 05:05:26
● 2018-10-16 02:30:52
● 2026-07-26 05:05:26
○NSns3.ubm-us.net2015-08-07 → 2016-12-23 · 4 obs
● 2015-08-07 11:25:56
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
○MXmail1.ubm-us.net2015-08-07 → 2018-10-16 · 4 obs
● 2015-08-07 11:25:56
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
●A104.21.15.332026-07-13 → 2026-07-26 · 3 obs
○ 2018-10-16 02:30:52
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
○A104.31.88.2422018-10-16 → 2018-10-16 · 4 obs
○ 2016-12-23 04:01:22
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
○A104.31.89.2422018-10-16 → 2018-10-16 · 4 obs
○ 2016-12-23 04:01:22
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
●A172.67.161.742026-07-13 → 2026-07-26 · 3 obs
○ 2018-10-16 02:30:52
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
○A192.155.42.932016-12-23 → 2016-12-23 · 4 obs
○ 2016-04-13 16:13:04
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
○A192.155.48.932015-08-07 → 2016-04-13 · 4 obs
● 2015-08-07 11:25:56
● 2016-04-13 16:13:04
○ 2016-12-23 04:01:22
○ 2026-07-26 05:05:26
● 2016-04-13 16:13:04
○ 2016-12-23 04:01:22
○ 2026-07-26 05:05:26
○A2606:4700:30::681f:58f22018-10-16 → 2018-10-16 · 4 obs
○ 2016-12-23 04:01:22
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
○A2606:4700:30::681f:59f22018-10-16 → 2018-10-16 · 4 obs
○ 2016-12-23 04:01:22
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
● 2018-10-16 02:30:52
○ 2026-07-13 10:54:08
○ 2026-07-26 05:05:26
●A2606:4700:3032::ac43:a14a2026-07-13 → 2026-07-26 · 3 obs
○ 2018-10-16 02:30:52
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
●A2606:4700:3037::6815:f212026-07-13 → 2026-07-26 · 3 obs
○ 2018-10-16 02:30:52
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
● 2026-07-13 10:54:08
● 2026-07-26 05:05:26
○A2620:103::192:155:48:932015-08-07 → 2016-04-13 · 4 obs
● 2015-08-07 11:25:56
● 2016-04-13 16:13:04
○ 2016-12-23 04:01:22
○ 2026-07-26 05:05:26
● 2016-04-13 16:13:04
○ 2016-12-23 04:01:22
○ 2026-07-26 05:05:26
○A2620:103:1:1:192:155:42:932016-12-23 → 2016-12-23 · 4 obs
○ 2016-04-13 16:13:04
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
● 2016-12-23 04:01:22
○ 2018-10-16 02:30:52
○ 2026-07-26 05:05:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| embeddedsystemsprogrammingbookstore.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: 128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.161.74, 104.21.15.33 |
| AAAA | 2 | 2606:4700:3037::6815:f21, 2606:4700:3032::ac43:a14a |
| 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
embeddedsystemsprogrammingbookstore.com resolves to four IP addresses: 104.21.15.33, 172.67.161.74, 2606:4700:3032::ac43:a14a and 2606:4700:3037::6815:f21.
planitmail.com, brrail.com, beikoo.net plus two other host names have IP numbers in common with embeddedsystemsprogrammingbookstore.com.
Name Servers
embeddedsystemsprogrammingbookstore.com has two authoritative name servers — ns1.ubmdns.com and ns2.ubmdns.com.
The name server configuration of embeddedsystemsprogrammingbookstore.com is shared with other domains, for instance aerotropolis-emea.com, propakindia.co.in, pizzashowmexico.com and two others.
Both ns1.ubmdns.com and ns2.ubmdns.com have two IP addresses each. ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0; ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.