bluecrystal.com - robtex.com
bluecrystal.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.150.139🇯🇵 GMOOSK-NET160.251.150.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s39.xrea.com | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns4.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns5.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.bluecrystal.com ⭐ | ||||||
| A | 160.251.150.139🇯🇵 GMOOSK-NET160.251.150.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s39.xrea.com | ||||||
| SOA | ns1.value-domain.comhostmaster@bluecrystal.com 2020-08-26 #18 | ||||||
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=1786720194 | ||||||
Subdomains
mail.bluecrystal.com |
Same first word
bluecrystal.com |
bluecrystal.eu.com |
bluecrystal.co.uk |
bluecrystal.cn |
bluecrystal.de |
bluecrystal.com.au |
bluecrystal.com.my |
bluecrystal.net |
bluecrystal.ca |
bluecrystal.ru |
Similar names
crystalblue.bg |
crystalblue.ca |
crystalblue.com |
crystalblue.it |
crystalblue.eu |
staceybrull.com |
buysellcart.com |
crystalblue.com.au |
crystalblue.co.uk |
tyersalclub.co.uk |
DNS History
9 records (7 active, 2 former)
●NSns1.value-domain.com2015-08-05 → 2026-08-14 · 2 obs
● 2026-08-14 15:36:28
●NSns2.value-domain.com2015-08-05 → 2026-08-14 · 2 obs
● 2026-08-14 15:36:28
●NSns3.value-domain.com2026-05-30 → 2026-08-14 · 3 obs
● 2026-05-30 18:44:30
● 2026-08-14 15:36:28
●NSns4.value-domain.com2026-05-30 → 2026-08-14 · 3 obs
● 2026-05-30 18:44:30
● 2026-08-14 15:36:28
●NSns5.value-domain.com2026-05-30 → 2026-08-14 · 3 obs
● 2026-05-30 18:44:30
● 2026-08-14 15:36:28
●MXmail.bluecrystal.com2015-08-05 → 2026-08-14 · 2 obs
● 2026-08-14 15:36:28
○A150.95.8.1392017-04-20 → 2017-04-20 · 4 obs
● 2017-04-20 17:46:34
○ 2026-05-30 18:44:30
○ 2026-08-14 15:36:28
●A160.251.150.1392026-05-30 → 2026-08-14 · 3 obs
● 2026-05-30 18:44:30
● 2026-08-14 15:36:28
○A203.189.104.1392015-08-05 → 2016-07-08 · 4 obs
● 2016-07-08 01:52:54
○ 2017-04-20 17:46:34
○ 2026-08-14 15:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bluecrystal.com | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com... | 5 records |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bluecrystal.com (unsigned zone)
⏱️ Timing
Total: 694ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.150.139 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 1 | mail.bluecrystal.com (pri: 10) |
| SOA | 1 | ns1.value-domain.com hostmaster.bluecrys |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com...)
Analysis
Hierarchy
mail.bluecrystal.com is delegated beneath bluecrystal.com.
IP Addresses
bluecrystal.com resolves to one IP address: 160.251.150.139.
hon5.com, mail.konuta.com, mail.imagines.jp and two other host names share IP numbers with bluecrystal.com.
Name Servers
bluecrystal.com has five name servers, which are ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
There is at least partial name server overlap between bluecrystal.com and other domains — han-s.co.jp, isoken.jp, ymn.mobi and two more among them.
It is common to find these name servers alongside the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.
Hosts with just one IP address:
ns1.value-domain.com points to 172.64.52.38.
ns2.value-domain.com points to 172.64.53.3.
ns3.value-domain.com points to 172.64.52.38.
ns4.value-domain.com points to 172.64.53.3.
ns5.value-domain.com points to 172.64.52.38.
The host names ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com each resolve to 172.64.52.38.
ns2.value-domain.com and ns4.value-domain.com are host names that each point to 172.64.53.3 IP addresses.
Mail Servers
Mail for bluecrystal.com is handled by a single mail server, mail.bluecrystal.com.
mail.bluecrystal.com resolves to a single IP number: 160.251.150.139.