tutorial.cn - robtex.com
tutorial.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.afternic.com ⭐ | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | ns2.afternic.com | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034772923 | ||||||
Same first word
Similar names
DNS History
14 records (4 active, 10 former)
○NSbuy.internettraffic.com2015-10-27 → 2016-06-20 · 5 obs
● 2015-10-27 06:50:28
● 2016-06-20 02:16:18
○ 2017-02-13 06:37:48
○ 2026-05-10 02:47:44
○NSdns.namescout.com2015-06-14 → 2015-06-14 · 3 obs
○ 2015-10-27 06:50:28
○ 2026-05-10 02:47:44
○NSdns2.namescout.com2015-06-14 → 2015-06-14 · 3 obs
○ 2015-10-27 06:50:28
○ 2026-05-10 02:47:44
●NSns1.afternic.com2026-02-28 → 2026-05-10 · 3 obs
● 2026-02-28 19:36:18
● 2026-05-10 02:47:44
○NSns1.uniregistrymarket.link2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 06:37:48
○ 2026-02-28 19:36:18
○ 2026-05-10 02:47:44
●NSns2.afternic.com2026-02-28 → 2026-05-10 · 3 obs
● 2026-02-28 19:36:18
● 2026-05-10 02:47:44
○NSns2.uniregistrymarket.link2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 06:37:48
○ 2026-02-28 19:36:18
○ 2026-05-10 02:47:44
○NSsell.internettraffic.com2015-10-27 → 2016-06-20 · 5 obs
● 2015-10-27 06:50:28
● 2016-06-20 02:16:18
○ 2017-02-13 06:37:48
○ 2026-05-10 02:47:44
○MXloopback.namescout.com2015-06-14 → 2015-06-14 · 3 obs
○ 2015-10-27 06:50:28
○ 2026-05-10 02:47:44
●A13.248.169.482026-02-28 → 2026-05-10 · 3 obs
● 2026-02-28 19:36:18
● 2026-05-10 02:47:44
○A54.208.19.1972015-06-14 → 2015-06-14 · 3 obs
○ 2015-10-27 06:50:28
○ 2026-05-10 02:47:44
○A69.172.201.1532016-06-20 → 2017-02-13 · 5 obs
● 2016-06-20 02:16:18
● 2017-02-13 06:37:48
○ 2026-02-28 19:36:18
○ 2026-05-10 02:47:44
○A69.172.201.2082015-10-27 → 2016-02-11 · 5 obs
● 2015-10-27 06:50:28
● 2016-02-11 22:06:14
○ 2016-06-20 02:16:18
○ 2026-05-10 02:47:44
●A76.223.54.1462026-02-28 → 2026-05-10 · 3 obs
● 2026-02-28 19:36:18
● 2026-05-10 02:47:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, a.dns.cn, b.dns.cn, c.dns.cn... | - |
| tutorial.cn | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tutorial.cn (unsigned zone)
⏱️ Timing
Total: 1072ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.afternic.com dns.jomax.net |
Analysis
IP Addresses
tutorial.cn points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names such as retirementphrases.com, es.newproduct.hostesr.com, www.dancinggames.com, scanningadocument.com and hostmaster.travelunitedkingdom.com share IP numbers with tutorial.cn.
Name Servers
tutorial.cn is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
tutorial.cn uses the same name server setup as other domains, including www.epochwood.com, ns2.zoranda.com, ns1.sandia.net, childcarestudy.com and sakarya.net.
At least part of the name servers for tutorial.cn are shared with other domains, for instance bongslot.com, sinmiedo.org, hslu.net, iotpack.com and akshya.com.
These name servers are commonly used together with the name servers verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-urj2ap2akmgcchkhharttb.ns101.verify.hn, verification-tsrs7rutxjrfehr4j7agch.ns101.verify.hn, verification-k4ibaefv92b8mcahic8cdo.ns101.verify.hn and verification-kabgoe8x84krwsp9qcjdw9.ns101.verify.hn.
Host names with two IP numbers:
ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69.
ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.