nync.co.kr - robtex.com
nync.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.170.19.5🇺🇸 Amazon3.170.19.0/24 | ||||||
| PTR | server-3-170-19-5.iad61.r.cloudfront.net | ||||||
| A | 3.170.19.30🇺🇸 Amazon3.170.19.0/24 | ||||||
| A | 3.170.19.70🇺🇸 Amazon3.170.19.0/24 | ||||||
| A | 3.170.19.74🇺🇸 Amazon3.170.19.0/24 | ||||||
| NS | cns1.hostcocoa.com ⭐ | ||||||
| A | 205.251.196.138🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1162.awsdns-17.org | ||||||
| NS | cns2.hostcocoa.com | ||||||
| A | 205.251.194.81🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-593.awsdns-10.net | ||||||
| NS | cns3.hostcocoa.com | ||||||
| A | 205.251.193.7🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-263.awsdns-32.com | ||||||
| NS | cns4.hostcocoa.com | ||||||
| A | 205.251.199.181🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1973.awsdns-54.co.uk | ||||||
| MX | mailapp.hiworks.co.kr ⭐ | ||||||
| A | 45.120.71.59🇰🇷 DACOM-NET45.120.71.0/24 | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 121.254.168.55🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 211.47.76.59🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| TXT | v=spf1 include:_spf.hiworks.co.kr ~all | ||||||
| TXT | v=spf1 ip4:52.79.92.223 ~all | ||||||
| SOA | cns1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1 | ||||||
co.kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation 🔒 | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2602170541 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NScns1.hostcocoa.com2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●NScns2.hostcocoa.com2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●NScns3.hostcocoa.com2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●NScns4.hostcocoa.com2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●MXmailapp.hiworks.co.kr2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●A3.170.19.302026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●A3.170.19.52026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●A3.170.19.702026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
●A3.170.19.742026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 06:17:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | 10 records |
| nync.co.kr | cns2.hostcocoa.com, cns1.hostcocoa.com, cns4.hostcocoa.com, cns3.hostcocoa.com | - |
✅ Authoritative Response
Server: 205.251.199.181
NS records: cns2.hostcocoa.com, cns1.hostcocoa.com, cns4.hostcocoa.com, cns3.hostcocoa.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at kr: Error: DNS query timeout: 210.101.60.1 for DNSKEY kr
⏱️ Timing
Total: 3372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.170.19.70, 3.170.19.74... |
| NS | 4 | cns1.hostcocoa.com, cns2.hostcocoa.com... |
| MX | 1 | mailapp.hiworks.co.kr (pri: 10) |
| TXT | 2 | v=spf1 include:_spf.hiworks.co.kr ~all, v=spf1 ip4:52.79.92.223 ~all |
| SOA | 1 | cns1.hostcocoa.com awsdns-hostmaster.ama |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)
Analysis
IP Addresses
nync.co.kr resolves to four IP numbers: 3.170.19.5, 3.170.19.30, 3.170.19.70 and 3.170.19.74.
other host names for instance phantomoftheoperadetroit.com, evina.com, gricey.net, images.techniweldusa.dev and d3pk9z2o61b8ux.cloudfront.net share IP numbers with nync.co.kr.
Name Servers
nync.co.kr is delegated to four name servers: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com and cns4.hostcocoa.com.
nync.co.kr at least partially shares name servers with other domains, for instance dcarrick.co.kr, aceganho.com, kogreen.biz, mermont.kr and allbrmarketing.com.
Host names with one IP number:
cns1.hostcocoa.com points to 205.251.196.138
cns2.hostcocoa.com points to 205.251.194.81
cns3.hostcocoa.com points to 205.251.193.7
cns4.hostcocoa.com points to 205.251.199.181
Mail Servers
nync.co.kr is handled by a single mail server, mailapp.hiworks.co.kr.
nync.co.kr shares the same mail server setup as other domains, for instance wizchem.com, baumip.com, cslac.com, dscengine.com and k-lines.biz.
nync.co.kr shares some mail servers with other domains, at least partially, for instance publog.co.kr and kfmall.kr.
Host name mailapp.hiworks.co.kr points to three IP numbers: 45.120.71.59, 121.254.168.55 and 211.47.76.59.