allow.com - dns.ninja
allow.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.156.126.4🇰🇷 KT-NET121.152.0.0/13 | ||||||
| PTR | mail.humanworks.com | ||||||
| PTR | c.appstory.co.kr | ||||||
| PTR | send4.appstory.co.kr | ||||||
| PTR | mx.hu.co.kr | ||||||
| NS | ns1-1.ns-ncloud.com ⭐ | ||||||
| A | 49.236.156.6🇰🇷 NBPAP-AS-AP49.236.156.0/24 NAVER business platform cloud service | ||||||
| PTR | ns1-1.ns-ncloud.com | ||||||
| NS | ns1-2.ns-ncloud.com | ||||||
| A | 49.236.157.6🇰🇷 NBPAP-AS-AP49.236.157.0/24 NAVER business platform cloud service | ||||||
| PTR | ns1-2.ns-ncloud.com | ||||||
| MX | mx.allow.com ⭐ | ||||||
| A | 121.156.126.4🇰🇷 KT-NET121.152.0.0/13 | ||||||
| PTR | mail.humanworks.com | ||||||
| PTR | c.appstory.co.kr | ||||||
| PTR | send4.appstory.co.kr | ||||||
| PTR | mx.hu.co.kr | ||||||
| TXT | v=spf1 mx ra=postmaster -all | ||||||
| SOA | ns1-1.ns-ncloud.comns1-2@ns-ncloud.com serial=3 | ||||||
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=1783815647 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1-1.ns-ncloud.com2026-02-15 → 2026-07-12 · 3 obs
● 2026-02-15 05:45:34
● 2026-07-12 00:36:30
●NSns1-2.ns-ncloud.com2026-02-15 → 2026-07-12 · 3 obs
● 2026-02-15 05:45:34
● 2026-07-12 00:36:30
○NSns1.humanworks.com2015-08-08 → 2017-01-24 · 4 obs
● 2017-01-24 17:05:46
○ 2026-02-15 05:45:34
○ 2026-07-12 00:36:30
○NSns2.kornet.net2015-08-08 → 2017-01-24 · 4 obs
● 2017-01-24 17:05:46
○ 2026-02-15 05:45:34
○ 2026-07-12 00:36:30
●MXmx.allow.com2015-08-08 → 2026-07-12 · 2 obs
● 2026-07-12 00:36:30
●A121.156.126.42015-08-08 → 2026-07-12 · 2 obs
● 2026-07-12 00:36:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net... | - |
| allow.com | ns1-1.ns-ncloud.com, ns1-2.ns-ncloud.com | 2 records |
✅ Authoritative Response
Server:49.236.156.6
NS records: ns1-1.ns-ncloud.com, ns1-2.ns-ncloud.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for allow.com (unsigned zone)
⏱️ Timing
Total: 4206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.156.126.4 |
| NS | 2 | ns1-2.ns-ncloud.com, ns1-1.ns-ncloud.com |
| MX | 1 | mx.allow.com (pri: 10) |
| TXT | 1 | v=spf1 mx ra=postmaster -all |
| SOA | 1 | ns1-1.ns-ncloud.com ns1-2.ns-ncloud.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-1.ns-ncloud.com, ns1-2.ns-ncloud.com)
Analysis
Hierarchy
allow.com has four subdomains: mx.allow.com, root.allow.com, mx3.allow.com and ns.allow.com.
IP Addresses
allow.com has exactly one IP address — 121.156.126.4.
send4.appstory.co.kr, mx.flad.co.kr, mx.t-world.co.kr plus two other host names have IP numbers in common with allow.com.
Name Servers
The NS records for allow.com delegate to ns1-1.ns-ncloud.com and ns1-2.ns-ncloud.com.
The name server configuration of allow.com is shared with other domains, for instance sejongilbo.co.kr, issuejeonbuk.com, momscareer.co.kr and two others.
There is at least partial name server overlap between allow.com and other domains — imeritz.net, 204.255.211.in-addr.arpa, irgo.co.kr and two more among them.
ns1-1.ns-ncloud.com → 49.236.156.6 and ns1-2.ns-ncloud.com → 49.236.157.6: one IP number per host name.
Mail Servers
allow.com uses one mail server — mx.allow.com.
mx.allow.com resolves to 121.156.126.4 and no other IP number.