sqdoc.com - dns.ninja
sqdoc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 222.231.27.216🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary | ||||||
| PTR | web5.koreafree.co.kr | ||||||
| NS | ns1.koreafree.co.kr ⭐ | ||||||
| A | 121.254.171.112🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns1.whoiskorea.co.kr | ||||||
| A | 121.254.171.111🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| MX | mail.sqdoc.com ⭐ | ||||||
| A | 222.231.27.216🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary | ||||||
| PTR | web5.koreafree.co.kr | ||||||
| TXT | v=spf1 ip4:222.231.27.216 ~all | ||||||
| SOA | ns1.koreafree.co.krwebmaster@koreafree.co.kr 2017-01-31 #1 | ||||||
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=1786675164 | ||||||
Subdomains
mail.sqdoc.com |
Same first word
sqdoc.com |
Similar names
qdocs.co |
qdocs.in |
qdocs.de |
qdsoc.com |
docsq.com |
qdocs.net |
qsdco.com |
qdocs.co.za |
qdocs.com |
docqs.com |
sdqco.com |
cqosd.com |
sdoqc.online |
DNS History
5 records (4 active, 1 former)
●NSns1.koreafree.co.kr2015-07-26 → 2026-08-14 · 2 obs
● 2026-08-14 03:02:40
●NSns1.whoiskorea.co.kr2015-07-26 → 2026-08-14 · 2 obs
● 2026-08-14 03:02:40
●MXmail.sqdoc.com2015-07-26 → 2026-08-14 · 2 obs
● 2026-08-14 03:02:40
○A222.231.25.562015-07-26 → 2015-11-29 · 4 obs
● 2015-11-29 00:28:52
○ 2016-02-29 23:36:46
○ 2026-08-14 03:02:40
●A222.231.27.2162016-02-29 → 2026-08-14 · 3 obs
● 2016-02-29 23:36:46
● 2026-08-14 03:02:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sqdoc.com | ns1.whoiskorea.co.kr, ns1.koreafree.co.kr | - |
✅ Authoritative Response
Server:121.254.171.112
NS records: ns1.whoiskorea.co.kr, ns1.koreafree.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sqdoc.com (unsigned zone)
⏱️ Timing
Total: 1110ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 222.231.27.216 |
| NS | 2 | ns1.whoiskorea.co.kr, ns1.koreafree.co.kr |
| MX | 1 | mail.sqdoc.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:222.231.27.216 ~all |
| SOA | 1 | ns1.koreafree.co.kr webmaster.koreafree. |
Analysis
Hierarchy
The domain mail.sqdoc.com falls under the parent sqdoc.com.
IP Addresses
sqdoc.com resolves to one IP address: 222.231.27.216.
kpja.kr, sffl.or.kr, illustacademy.com and two other host names share IP numbers with sqdoc.com.
Name Servers
Two name servers handle the delegation for sqdoc.com: ns1.koreafree.co.kr and ns1.whoiskorea.co.kr.
sqdoc.com uses the same name servers as several other domains — among them lsmkorea.com, 1001optics.co.kr, ddmnews.com and two more.
sqdoc.com shares at least some of its name servers with other domains, for example biz-pos.com, backjeemt.com, hcyc.kr and shinwoojin.com.
Each of ns1.koreafree.co.kr and ns1.whoiskorea.co.kr has one IP address: ns1.koreafree.co.kr uses 121.254.171.112 and ns1.whoiskorea.co.kr uses 121.254.171.111.
Mail Servers
Mail for sqdoc.com is handled by a single mail server, mail.sqdoc.com.
mail.sqdoc.com carries a single IP number, which is 222.231.27.216.