tutorialcollection.com - robtex.com
tutorialcollection.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.170Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.170Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=1787917625 | ||||||
Same first word
tutorialcollection.com |
Previous names
Next names
DNS History
18 records (3 active, 15 former)
●NSns.buydomains.com2026-04-25 → 2026-08-28 · 3 obs
● 2026-04-25 10:45:36
● 2026-08-28 11:56:50
○NSns.webair.net2008-03-19 → 2008-03-19 · 3 obs
○ 2015-08-02 07:09:38
○ 2026-08-28 11:56:50
○NSns1.bodis.com2015-11-20 → 2017-08-23 · 5 obs
● 2015-11-20 21:09:16
● 2017-08-23 01:41:08
○ 2026-04-25 10:45:36
○ 2026-08-28 11:56:50
○NSns15.domaincontrol.com2015-08-02 → 2015-08-02 · 4 obs
● 2015-08-02 07:09:38
○ 2015-11-20 21:09:16
○ 2026-08-28 11:56:50
○NSns16.domaincontrol.com2015-08-02 → 2015-08-02 · 4 obs
● 2015-08-02 07:09:38
○ 2015-11-20 21:09:16
○ 2026-08-28 11:56:50
○NSns2.bodis.com2015-11-20 → 2017-08-23 · 5 obs
● 2015-11-20 21:09:16
● 2017-08-23 01:41:08
○ 2026-04-25 10:45:36
○ 2026-08-28 11:56:50
○NSns2.webair.net2008-03-19 → 2008-03-19 · 3 obs
○ 2015-08-02 07:09:38
○ 2026-08-28 11:56:50
●NSthis-domain-for-sale.com2026-04-25 → 2026-08-28 · 3 obs
● 2026-04-25 10:45:36
● 2026-08-28 11:56:50
○MXfilter.tutorialcollection.com2008-03-19 → 2008-03-19 · 3 obs
○ 2015-08-02 07:09:38
○ 2026-08-28 11:56:50
○MXmailstore1.secureserver.net2015-08-02 → 2015-08-02 · 4 obs
● 2015-08-02 07:09:38
○ 2015-11-20 21:09:16
○ 2026-08-28 11:56:50
○MXmx76.m2bp.com2017-08-23 → 2017-08-23 · 4 obs
● 2017-08-23 01:41:08
○ 2026-04-25 10:45:36
○ 2026-08-28 11:56:50
○MXmx76.mb1p.com2017-08-23 → 2017-08-23 · 4 obs
● 2017-08-23 01:41:08
○ 2026-04-25 10:45:36
○ 2026-08-28 11:56:50
○MXsmtp.secureserver.net2015-08-02 → 2015-08-02 · 4 obs
● 2015-08-02 07:09:38
○ 2015-11-20 21:09:16
○ 2026-08-28 11:56:50
○A184.168.221.422015-08-02 → 2015-08-02 · 4 obs
● 2015-08-02 07:09:38
○ 2015-11-20 21:09:16
○ 2026-08-28 11:56:50
○A199.59.242.1502017-08-23 → 2017-08-23 · 4 obs
● 2017-08-23 01:41:08
○ 2026-04-25 10:45:36
○ 2026-08-28 11:56:50
○A199.59.243.1202015-11-20 → 2016-11-21 · 5 obs
● 2015-11-20 21:09:16
● 2016-11-21 15:19:06
○ 2017-08-23 01:41:08
○ 2026-08-28 11:56:50
●A207.148.248.1432026-04-25 → 2026-08-28 · 14 obs
● 2026-04-25 10:45:36
● 2026-05-22 03:56:42
○ 2026-08-22 09:51:42
● 2026-08-23 08:07:46
○ 2026-08-23 16:09:58
● 2026-08-24 01:46:32
○ 2026-08-24 05:20:38
● 2026-08-24 18:44:30
○ 2026-08-25 02:56:52
● 2026-08-26 00:27:24
○ 2026-08-27 16:19:56
● 2026-08-28 10:11:06
● 2026-08-28 11:56:50
○A67.55.78.1142008-03-19 → 2008-03-19 · 3 obs
○ 2015-08-02 07:09:38
○ 2026-08-28 11:56:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| tutorialcollection.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.20.26.87
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tutorialcollection.com (unsigned zone)
⏱️ Timing
Total: 3034ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
tutorialcollection.com points to a single IP number: 207.148.248.143.
Additional host names — countryretro.com, pagebrand.com, hostmaster.fbme.org and two others — share IP numbers with tutorialcollection.com.
Name Servers
tutorialcollection.com is served by two delegated name servers, this-domain-for-sale.com and ns.buydomains.com.
tutorialcollection.com shares its name server setup with other domains, including mvbinc.com, siot.org, tennisnet.net and two others.
tutorialcollection.com has some name servers in common with other domains such as smartupgrader.com, geneticservice.com and universityventure.com
These name servers often co-occur with the name servers ns2.buydomains.com.
this-domain-for-sale.com and ns.buydomains.com share one IP address between them — 162.159.25.170.
These two host names — this-domain-for-sale.com and ns.buydomains.com — each point to 162.159.25.170 IP addresses.